Red algae have a deep red color. Although chlorophyll is present, it does not contribute to the color of the algae. Which pigment would cause a greater reflection of red?.
Answers
Phycoerythrin is the pigment that would cause a greater reflection of red. Red algae, also known as Rhodophyta, are a group of aquatic algae that are most often found in marine environments.
Red algae have a deep red color, which is caused by the presence of pigments called phycobilins, which are located in the chloroplasts of the cells. Phycobilins include phycocyanin, phycoerythrin, and allophycocyanin. Phycoerythrin is the primary pigment that gives red algae their characteristic deep red color.
Although chlorophyll is present in red algae, it does not contribute to the color of the algae because it is masked by the presence of phycoerythrin. pigment phycoerythrin causes a greater reflection of red than other pigments. This is because it absorbs blue and green light more effectively than red light. When red light hits phycoerythrin, it is reflected back more strongly than other colors of light, which gives red algae their deep red color.
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Related Questions
An astronaut is planning a trip to a newly-discovered planet according to the law of universal gravitation, the astronaut weight in the new planet will be greater than his weight on earth if:
Answers
The new planet has more mass than Earth but the same radius. The mass of the astronaut will be calculated by the use of Newton's gravitational equation. The weight of the astronaut depends completely on its mass and the gravitational acceleration of the planet.
Gravitational acceleration is directly proportional to the mass of the planet and indirectly proportional to the radius of the planet. Hence, when the gravitational acceleration increases the planet's mass will increase therefore the radius will decrease. The astronaut's mass will depend on these factors.
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A geologist is studying a mountain. It is made up of many relatively even
layers of igneous rock. What can the geologist conclude about how the
mountain formed?
A. It formed when an earthquake caused faults to form in a body of
rock.
B. It formed when a glacier melted and deposited rock and sediment.
C. It was formed by many layers of sediment piling up.
D. It was formed by a series of volcanic eruptions.
Answers
The mountain was formed by a series of volcanic eruptions. Option D
What can be concluded?The geologist can infer from the data that the mountain was created by a sequence of volcanic explosions. It is stated that the mountain is composed of numerous, generally uniform strata of igneous rock.
In most cases, molten material such as lava or magma that is ejected during volcanic eruptions solidifies to produce igneous rock.
Multiple igneous rock strata may accumulate over time while the volcanic activity persists, eventually producing a mountain.
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The concept of gravity an example of a scientific law
Answers
Answer: Thus, gravity itself is not “an example of a scientific law”. It’s just a term. Newton’s Law of Universal Gravitation gives us a mathematical description of gravity’s properties, and Einstein’s Theory of General Relativity gives us an explanation for why we perceive the force that Newton mathematically described.
Explain the difference between rotating and revolving. Then, describe the rotation and revolution/orbit of Earth.
Answer in at least four complete sentences. (o-o¬)
Be sure to check your grammar and spelling.
You can use the sentence starters and hints below to help you answer the questions:
When the Earth rotates, it is ________________________________.
When the Earth completes one revolution, it is __________________________.
*Hints for your last two sentences: Think about the shape of Earth's orbit, how long one rotation and one revolution take, etc.
Answers
Answer:
Rotation is the spinning of an object in one place. Revolution is the circling of an object in a given orbit (path).
Explanation:
When the earth rotates, it spins on its own axis which is tilted at 23.5 degrees. Thus, we can conclude that the earth rotates on its axis every 24 hours relative to the Sun.
When the Earth completes one revolution around the sun in a fixed orbit in 365.25 days. This means the earth takes approximately 365 days to completely encircle around the sun and return back to its original position.
(The extra .25 day is added every year to make up one full day. Hence, we see a leap year every 4 years).
Life Cycle Analysis (LCA) is an evaluation method for environmental impact of processes and products. It accounts for: a. Waste and pollutants generated b. Energy use c. Material use d. All of the above 8. Requires the payment of "prevailing" wage rates established for specific geographic areas of the country by the Department of Labor, for laborers and tradesmen hired to work on federally funded construction projects valued in excess of $2000. a. Copeland Act b. Davis-Bacon Act c. Certified payroll requirements d. General and supplementary provisions 9. The Letter of Intent contains the following: a. Payment terms b. Termination clause c. Scope of the work d. All of the above 10. BIM 5D deals with: a. Sustainability b. Existing Conditions c. Estimating d. Scheduling 11. This makes it a crime for anyone to require a labor or mechanic employed on a federally assisted project to kickback any part of their wages a. Contract Work Hours and Safety Standards Act b. Change-order clause c. Davis-Bacon Act d. Copeland Act 12. Less frequently used contracts between owners and general contractors include the following: a. Cost of the work plus a fee, Joint venture, Design-build b. Turnkey, Stipulated or Lump-Sum, Build-operate-transfer c. Turnkey, Joint venture, Build-operate-transfer d. Construction management, Joint venture, Build-operate-transfer 13. AlA Document A 102-2007 pertains to the following: a. Cost plus fee with a GMP contract b. Design-build c. Construction management d. Cost plus fee 14. AlA Document A101-2007 pertains to the following: a. Cost plus fee with a GMP contract b. Stipulated or lump-sum contract c. Construction management d. Design-build
Answers
Life Cycle Analysis (LCA) accounts for the waste and pollutants generated, energy use, and material use.
Life Cycle Analysis (LCA) is a technique used to evaluate the environmental impact of processes and products. It is a tool that takes into account the waste and pollutants generated, energy use, and material use. LCA includes four stages; these are the goal and scope, inventory analysis, impact assessment, and interpretation stages. The goal and scope stage defines the scope of the study and sets the boundaries.
The inventory analysis stage involves data collection and defining the processes. The impact assessment stage evaluates the environmental impact, while the interpretation stage is where the results are evaluated and reported. LCA can be used to identify and reduce the environmental impact of a product or process. It is an important tool for sustainable development.
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Method of transmission of blastomycosis dermatitidis
Answers
Both humans and animals can get systemically infected with blastomycosis dermatitidis. The fungus' spores are inhaled into the lungs, which causes infection.
It is possible for the yeast cells to spread to other organs like the skin, bones, and central nervous system once they enter the lungs and begin to thrive there. The characteristic of sickness are granulomas, which are collections of immune cells that encircle and attempt to contain the fungal cells. Although the pathophysiology of blastomycosis dermatitidis is complex and poorly understood, it is thought to be brought on by a variety of virulence factors, including adhesion molecules, body-produced enzymes, and components of cell walls. How the immune system responds to the infection is crucial in determining how the sickness will develop.
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The noble gases in group 18 were some of the last natural elements to be discovered. Why do you think this is so?
Answers
Answer:
because they were extremely un-reactive. Being inert, they were difficult to isolate via chemical reactions, thus difficult to distinguish as separate elements
Explanation:
The noble gases of group 18 were the last to be discovered because they are highly unreactive or inert.
Noble gases refer to elements in group 18. These elements are renowned for being inert.
As a result of their inertness and because they are all gases, they are sometimes called "inert gases".
This chemical inertness made it difficult to discover these elements until lately. Many natural elements were discovered because they participate in chemical reactions. Hence, inert gases became the last natural elements to be discovered.
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do you think that there is an aesthetic value that could be attached to the hides of the nguni cattle after slaughtering?
Answers
in the republican vision of america education was essential because
Answers
In the republican vision of America, education was essential because it was considered as a means of preserving liberty.Republicans believed that the preservation of a free government depends on the education of the people. They believed that a sound education would enable the people to act responsibly and thoughtfully in electing their leaders.
They viewed education as essential in producing a virtuous and informed citizenry, which was considered vital for a stable republic. The aim of education, according to the Republican vision, was to produce individuals who were capable of making wise choices and being responsible for their own actions. Education was seen as a tool that could help people to improve their economic and social conditions, and contribute to the progress and prosperity of the nation.
Republicans believed that education could enable individuals to think critically and independently, which was considered crucial for the preservation of individual liberty. They saw education as a means of promoting equal opportunities for all citizens, regardless of their social status or background. Therefore, they supported the establishment of public schools, which would provide education to all citizens, regardless of their economic status or social background.
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Drug Dosages. Thomas Young has 5 iggested the followiLe rule for caiculating the dosage of medicine for chidren 1 to 12 yr ofd. If a denctes the aduit. dosage (in midigrams) and if t is the child's ago (in years), then the child's dosage is given by the following function.
D(t)= at/t+12 Suppose the adult dosage of a substance is 280mg. Find an expression that gives the rate (in mg/year) of change of a child's cosage with respect to the child's age. D′(t)= What is the rate of change (in mg/year) of a child's dosage with respect to his or her age for a 3 -yr-old child? A 12 -yr-old child? (flound your answer to three decimal placesi) 3-yr-old _____ mg/year 12-yriold _____ mg/year
Answers
Given data: Adult dosage of a substance is 280mg. Rule for calculating dosage for children between 1 to 12 years of age is given by the function, D(t) = a * t / t + 12. To find the rate of change of this function with respect to the child's age, we need to differentiate the function with respect to t.
Let's differentiate this function with respect to t. d/dt [ D(t) ]= d/dt [ a * t / t + 12 ]
Using quotient rule,= [ a * (t + 12) - a * t ] / ( t + 12 )²= a / ( t + 12 )²
Thus, the rate of change of child's dosage with respect to child's age is given by D'(t) = a / ( t + 12 )².
Hence, the required expression is D'(t) = 280 / ( t + 12 )².
Now, substituting t = 3,
we get, D'(3) = 280 / (3 + 12)²
= 280 / 225
= 1.244 mg/year
Substituting t = 12,
we get, D'(12) = 280 / (12 + 12)²
= 280 / 576
= 0.486 mg/year
Therefore, the rate of change of a child's dosage with respect to his or her age for a 3-yr-old child is 1.244 mg/year and for a 12-yr-old child is 0.486 mg/year. We are given the formula, D(t) = a * t / t + 12, which represents the dosage for a child as a function of their age, t. To find the rate of change of this function with respect to the child's age, we need to differentiate the function with respect to t.
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PLEASE HELP I HAVE BEEN TRYING TO FIGURE THIS OUT A certain plant can have two flower color options: yellow or orange. A geneticist is looking to create a true-breeding yellow folowered plant. When he self pollinates the plant he believes to be true-breeding it results in 50% yellow folwered offspring and 50% orange flowered offspring. Do these results support or refute his belief that his plant is true breeding? Why or why not?
Answers
True-breeding plants are those that produce offspring with the same traits as the parent plant when they self-pollinate or are cross-pollinated with another true-breeding plant with the same traits. If the geneticist's yellow flowered plant was true-breeding, all of its offspring should also have yellow flowers.
However, the geneticist's self-pollination experiment resulted in offspring with both yellow and orange flowers, indicating that the yellow flowered parent plant was not true-breeding. If the parent plant was heterozygous for flower color (i.e. carried one dominant and one recessive allele), the observed 1:1 ratio of yellow and orange flowered offspring would be expected. This suggests that the parent plant was not true-breeding and instead carried a dominant allele for yellow flowers and a recessive allele for orange flowers.
Therefore, the results of the experiment refute the geneticist's belief that his plant is true-breeding, and suggest that the plant is heterozygous for flower color.
Which of the following 'unit name' describes the fully assembled ribosome in bacterial cells? a. 70 {~S} b. 50 {~S} c. 80 {~S} d. 30 {~S}
Answers
The fully assembled ribosome in bacterial cells is described as 70S.
Ribosomes are cellular structures responsible for protein synthesis. They exist in both bacterial and eukaryotic cells, but their sizes differ. Ribosomes are characterized by their sedimentation coefficient, denoted by the letter 'S.'
In bacterial cells, the fully assembled ribosome consists of a large subunit and a small subunit, combining to form a 70S ribosome. The large subunit is approximately 50S, while the small subunit is around 30S. When these two subunits come together, they form the 70S ribosome.
The other options listed, 50S, 80S, and 30S, refer to either the individual subunits or ribosomes found in different organisms. The 80S ribosome, for example, is characteristic of eukaryotic cells rather than bacterial cells.
Therefore, the correct option is option (a)
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A man with type AB blood is married to a woman with type O blood. They have two natural children, and one adopted child. The children's blood types are: A, B, and O. Which child was adopted?
Answers
AB parent +O parent = A or B or AB baby
A parent+ B parent= AB or B or A baby
AB+B parent=AB or B baby
AB+A parent= AB or A baby
O+O= O baby
The adopted child will have a type O blood group despite the fact that the mother has type O, the father will pass on an A or a B allele to the children. These are dominant alleles.
What are blood groups?Blood groups are divided into four categories: A, B, AB, and O. The presence or absence of two antigens on the surface of red blood cells determines each one.
A and B are the names of these antigens. Type A blood is defined by the presence of antigen A on red blood cells. Type B blood is defined by the presence of antigen B on red blood cells. You have type AB blood if both antigens (A and B) are present on your red blood cells.
And if neither antigen (A or B) is present on your red blood cells, you have type O blood.
Thus, we can conclude that the adopted child blood group will be O.
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What is the ε value in the Beer's Law equation?
Answers
The Beer-Lambert law connects a solution's characteristics to how much light it can absorb.
We may specify the link between the strength of visible UV light and the precise amount of material present using the Beer-Lambert Law derivation. science uses the Beer-Lambert Law's derivation extensively. used in contemporary laboratories for organic chemistry, drug testing, and quantification assays. These are some of the areas where this law is used. Light is also absorbed when energy is absorbed, often by electrons. This process results in the absorption of several types of light, including ultraviolet and visible light. Lambert's law, which was developed, asserts that monochromatic radiation changes exponentially and decreases when it travels through a medium of.
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Need help please!! Compare Bryophytes, Ferns, Gymnosperms, and Angiosperms with respect to dominant generation (sporophyte or gametophyte), vascular tissues, pollen, seeds, fruits or flowers (MAKE A TABLE-easier).
Answers
Answer:
Plant Group Dominant Generation Vascular Tissue Pollen Seeds Fruits or Flowers
Bryophytes Gametophyte No No No No
Ferns Sporophyte Yes No No No
Gymnosperms Sporophyte Yes Yes Yes No
Angiosperms Sporophyte Yes Yes Yes Yes
Bryophytes are a group of small, non-vascular plants that include mosses and liverworts. The dominant generation in bryophytes is the gametophyte, which is the generation that produces gametes, or reproductive cells. Bryophytes do not have vascular tissue, pollen, seeds, fruits, or flowers.
Ferns are a group of larger, non-vascular plants that reproduce using spores. The dominant generation in ferns is the sporophyte, which is the generation that produces spores. Ferns have vascular tissue, but they do not have pollen, seeds, fruits, or flowers.
Gymnosperms are a group of seed plants that reproduce using seeds. The dominant generation in gymnosperms is the sporophyte, which is the generation that produces seeds. Gymnosperms have vascular tissue, pollen, and seeds, but they do not have fruits or flowers.
Angiosperms are a group of flowering plants that reproduce using seeds contained within fruits or flowers. The dominant generation in angiosperms is the sporophyte, which is the generation that produces seeds. Angiosperms have vascular tissue, pollen, seeds, fruits, and flowers.
Explanation:
Str analysis is a dna profiling technique that makes use of the fact that different people have __________.
Answers
Various numbers of short DNA sequences repeated at specific locations throughout the genome.
What are STRs?Regions of non-coding DNA called short tandem repeats (STRs) have repeats of the same nucleotide sequence. A person's DNA contains STRs at several genetic loci or locations. A nucleotide sequence's frequency of repetition in each STR can be calculated using the size of the STRs.
What role do STRs play in DNA profiling quizlet?What purpose do STRs serve in DNA profiling? a. Because STRs differ amongst tissues within an individual, they can be utilized to identify the organ from where the DNA originated.
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Explain how the Periodic Table of Elements is organized. What are the patterns? Trends?
(take your time)
Answers
Answer:
The periodic table of elements arranges all of the known chemical elements using this method. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order is usually according with the increasment (Is this a word?) of the atomic mass.
Explanation:
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A protozoan that can form a cyst would be well adapted for survival in..... (select all that apply) Select one or more: a. human blood b. the acidic pH of the stomach O c. dry soil lacking water or nutrients O d. d. a nutrient-rich pond
Answers
A protozoan that can form a cyst would be well adapted for survival in several environments. Cysts are protective structures that allow protozoans to withstand unfavorable conditions and enhance their survival chances.
The environments where a protozoan that can form a cyst would be well adapted for survival include:
a. Human blood: Protozoans that are capable of forming cysts can survive in human blood, which is a nutrient-rich environment for many types of protozoans. Forming a cyst allows them to protect themselves from host immune responses and other adverse conditions.
b. The acidic pH of the stomach: Protozoans that can form cysts may be able to survive the acidic pH of the stomach, which is a hostile environment for many organisms. The cyst provides a protective barrier against the acidic conditions and allows the protozoan to survive and potentially infect the host.
c. Dry soil lacking water or nutrients: Protozoans that can form cysts are well adapted to survive in dry soil lacking water or nutrients. The cyst acts as a protective barrier, allowing the protozoan to withstand desiccation and lack of nutrients until favorable conditions return.
d. A nutrient-rich pond: Protozoans that can form cysts may also be well adapted to survive in a nutrient-rich pond. When conditions in the pond become unfavorable, such as during periods of low nutrients or extreme environmental changes, the protozoan can form a cyst to protect itself and survive until conditions improve.
In summary, protozoans that can form cysts are well adapted for survival in various environments, including human blood, acidic stomach pH, dry soil lacking water or nutrients, and nutrient-rich ponds. The ability to form cysts enhances their survival chances by allowing them to protect themselves from adverse conditions and remain dormant until favorable conditions return.
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How can tornadoes and/or thunderstorms impact human, plant, or animal life? Provide examples in your response to support your claim.
Answers
Answer:
Hey there! Let me explain to you why Tornadoes/Natural Disasters can be very detrimental to wildlife and society!
_________________
Explanation:
A Tornado is a natural disaster right? So just think about what could happen if it comes across something like a farm, or a stable that holds animals.
Tornadoes can have a serious impact on wildlife, mainly for the reason that it can destroy an animals home, and their entire habitat. Plant's can be destroyed and uprooted, those animals will have no food left until a new patch of plants start to grow.
Thunderstorms also take a heavy toll on the environment, this is because too much downpour can ruin plants that feed animals.
These natural causes can destroy society as well, let's say a tornado rips through an entire neighborhood, leaving nothing but dirt and debris, where will that family live now? Judging by the fact that there is already a high poverty rate in some areas, it could be very detrimental to those who can't afford to replace their house.
(I know it's a bit long but just copy and paste the parts you really need.)
Question 3
When dissolved in water, many bases release which of the following particles?
Select one:
a. Htions
lil
b. H2 molecules
C. (OH) ions
DE
d. O molecules
CLE
Answers
Bases release OH- ions in solutions, whereas Acids release H+ ions in solutions
Which is not a part of the cell theory?
Answers
Answer:all living organisms are composed of cell
Explanation:
Wolves, a natural predator of deer, were not found in Yellowstone Park for
70 years. As a result, deer overpopulated Yellowstone Park. Explain why an
overpopulation of deer had a negative impact on the environment in the
park.
Answers
Answer:
becuase if the deer over populate they will eat more that is laymans terms so yeah
Explanation:
What does it mean to lower one’s carbon footprint?
a) to increase his/her personal introduction of atmospheric CO2.
b) to lessen his/her personal introduction of atmospheric CH4.
c) to lessen his/her personal introduction of atmospheric CO2.
d) to increase his/her personal introduction of atmospheric CH4.
Answers
Lower one’s carbon footprint Means lessen his/her personal introduction of atmospheric CO2
Carbon footprint?Carbon footprint Means that the total amount of carbon an individual consume at a particular time which will sustain the person.
Therefore, Lower one’s carbon footprint Means lessen his/her personal introduction of atmospheric CO2
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At which point does a mutation exert its potentially dysfunctional effects in a cell?.
Answers
The mutation exert its potentially dysfunctional effects after the protein is produced.
What is mutation?A mutation is a change in the DNA sequence of an organism.. Mutations can be brought on by errors in DNA replication during cell division, exposure to mutagens, or viral infection. Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germ line mutations (which happen in eggs and sperm) can.
What happens if a mistake is made during DNA replication in a cell that is otherwise healthy?
The individual's offspring will inherit the mutation.
Nothing; errors just occur.
The cell will start to divide uncontrollably and develop into a cancerous tumor.
When a cell cycle checkpoint notices a mistake, the cell cycle is stopped to allow the error to be fixed.
DNA replication never contains any errors.
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Euglenas are single-celled organisms. What can you confirm about euglenas from this diagram?
A.
They’re exclusively heterotrophs.
B.
They’re capable of photosynthesis.
C.
They make energy solely from fermentation.
D.
They must consume plants to perform cellular respiration.
Answers
They must consume plants to perform cellular respiration is true about Euglenas.
Thus, Freshwater unicellular organisms belonging to the genus Euglena are widespread in ponds and other small bodies of water, especially if they are nutrient-rich and thus include a lot of algae.
As mentioned further down, Euglena is a part of the green sludge in such ponds and can occasionally photosynthesize.
The organism can also be non-photosynthetic and a part of a large community of creatures that consume green sludge, or it can even consume other creatures that consume green sludge and cellular respiration.
Thus, They must consume plants to perform cellular respiration is true about Euglenas.
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sensory and motor systems are ideally suited to the study of neural reorganization because
Answers
The sensory and motor systems are ideally suited to the study of neural reorganization because of their plasticity.
The brain has the ability to reorganize and adapt to changes in these systems, allowing individuals to adjust to injury or changing environments. For example, when a person loses their sight, the brain regions responsible for processing visual information may be repurposed to enhance other senses, such as touch or hearing. This is known as cross-modal plasticity and is a fundamental aspect of neural reorganization.
Additionally, the motor system is highly adaptable, allowing individuals to learn new skills and refine movements through practice. This plasticity can be observed in the brain's motor cortex, which undergoes changes in response to repeated movement patterns. Therefore, by studying the sensory and motor systems, researchers can gain insights into the mechanisms of neural reorganization and potentially develop interventions to improve function in individuals with neurological disorders.
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is carbon dioxide good for the abiotic part of them ecosystem?
Answers
Answer: yes carbon dioxide is good for the ecosystem because some animals need that to stay alive and we in oxygen to stay alive and we help them by breathing out carbon dioxide.
ps:i tried
Explanation:
the characteristic of any receptor which allows it to respond to a specific or predetermined stimulus is called
Answers
The characteristic of any receptor which allows it to respond to a specific or predetermined stimulus is called specificity.
Receptors are specialized cells or proteins that detect and respond to specific stimuli, such as light, sound, or chemicals. The specificity of a receptor is what enables it to detect and respond to a particular type of stimulus, while ignoring others that are not relevant to its function.
Receptors are specialized proteins located on the surface or inside the cells of the body that bind with specific signaling molecules called ligands. The binding of a ligand to its receptor initiates a chain of chemical reactions that ultimately leads to a physiological response in the body. The specificity of a receptor is determined by the shape of its binding site, which is complementary to the shape of the ligand.
Each receptor is specialized to recognize and respond to a specific ligand or a group of structurally related ligands, and this specificity is critical for maintaining the appropriate physiological response in the body. For example, the beta-adrenergic receptor responds to the neurotransmitter adrenaline and related molecules, while the insulin receptor responds to the hormone insulin.
In summary, the ability of a receptor to respond to a specific or predetermined stimulus is due to its selectivity or specificity, which is determined by the shape of its binding site.
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Which of these polymers acts as an energy storage molecule? A. carbohydrate B. protein C. DNA
Answers
Answer:
carbohydrate
Explanation:
carbohydrates are starch which is the main form of energy storage in plants
The diagram shows hydrogen bonds between water molecules. Label the diagram to show how hydrogen bonds form. A label may be used once, twice, or not at all.
Answers
Answer:
First square = [-]
Second square = [+]
Third square = H
Forth square = O
Fifth square = H
Explanation:
Labeling the diagram to show how hydrogen bonds form between water molecules:
1st box = ( - )2nd box = ( + )3rd box = ( H )4th box = ( O )5th box = ( H )Water ( \(H_{2}O\) ) is an odorless , tasteless...... chemical compound formed by the bonding of two ( 2 )hydrogen atoms and an oxygen atom. the bonding between the hydrogen and oxygen atoms is carried through covalent bonding ( sharing of electrons between atoms ). indicating how hydrogen bonds.
Hence to indicate how hydrogen bonds form between water molecules is as shown in the list above
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