Answer:
The Antarctic blue whale.
Explanation:
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help guysssss with my 73 points as plssssss
Answer:
I'm pretty sure it's oil gland hope this helps
27.
Arrange the words given below in a meaningful sequence.
1. Key 2. Door 3. Lock 4. Room 5. Switch on
A) 5, 1, 2, 4, 3
B) 4, 2, 1, 5, 3
C) 1, 3, 2, 4, 5
D) 1, 2, 3, 5, 4
The correct meaningful sequence for the given words is 1, 3, 2, 4, 5. The correct answer is option C.
The logical order of the words is as follows:Key: The key is needed to unlock or open something.Lock: The lock is where the key is inserted to secure or restrict access to something, such as a door.Door: The door is the entryway or barrier that can be opened or closed using the key and lock.Room: The room is what lies behind the door, a space that can be accessed by unlocking and opening the door.Switch on: Once inside the room, the switch can be turned on to activate the lights or power supply within the room.Therefore, the meaningful sequence that represents the logical flow of actions is 1, 3, 2, 4, 5, which corresponds to option C).For more questions on sequence
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Discuss the major groups of microorganisms that produce antibiotics.
The two groups of microorganisms are Bacteria which is also called Neomycin and Fungi i.e. Penicillin from which antibiotics could be produced.
Which microorganisms are used for making antibiotics?Most of the straightaway available antibiotics are produced by prokaryotes mainly by bacteria from the genus Streptomyces. Some antibiotics are constructed naturally by fungi. These include the cephalosporin-producing Acremonium chrysogenum. Geldanamycin make by Streptomyces. Most of the antibiotics used today are produced from microbes. Bacteria are easy to isolate, culture, keep, and improve their strain. Some antibiotic gene clusters are worldwide, while others have cameo roles. One analysis estimated that if 10,000 actinomycetes.
So we can conclude that microorganisms that produce antibiotics helpful in preventing or treating disease include bacteria and fungi.
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Which of the following are compounds? (Choose all that apply.)
Oxygen gas (O2)
Water
A chain of carbon atoms
Hydrogen gas (H2)
Organic biological molecules
Sodium chloride
Glucose
Answer:
Water, organic biological molecules, sodium chloride, glucose.
Explanation:
A compound is anything composed of two or more separate elements.
O2 and H2 are a singular elements, and a chain of carbon atoms is multiple of the same element, so these are not considered compounds.Sodium chloride is sodium and chlorine, and water is oxygen and hydrogen. Glucose is a compound of sugar, and organic biological (or biomolecules) are made up of carbon and hydrogen, so these are all considered compoundsI hope this helps! Happy learning, friend :)
Some examples of chemical compounds are water molecule, organic biological molecules, sodium chloride, and glucose molecule. Thus, the correct options are B, E, F, and G.
What are compounds?A chemical compound is a chemical substance which is composed of many identical molecules that contain atoms from more than one chemical element which are held together in place through chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound.
Some examples of chemical compounds are water, organic biological molecules, sodium chloride, and glucose.
Therefore, the correct options are B, E, F, and G.
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A. Describe the storage and retrieval of genetic information with the following model. Use the list to fill in the blanks with the letter corresponding to the correct term. a. amino acid b. tRNA c. DNA d. transcription e. mRNA f. translation g. protein h. RNA polymerase i. rRNA Within the cytoplasm, __ is synthesized from __ bound to __ in a sequence that corresponds to information provided by __. This process is called __. Within the nucleus, information originating in __ is encoded as a sequence of bases in __, which is synthesized by the enzyme __ that is embedded in the __. This process is called __. B. During development, cell differentiation occurs, and the expression of genes is permanently switched off. Using the model summarized above, explain where information flow is most effectively blocked. C. A chemical message is received by the cell regulating the timing of events controlled by gene expression. Using the model summarized above, explain where information flow is most effectively managed.
Within the cytoplasm, protein is synthesized from amino acid bound to tRNA in a sequence that corresponds to information provided by mRNA. This process is called translation. Within the nucleus, information originating in DNA is encoded as a sequence of bases in RNA, which is synthesized by the enzyme RNA polymerase that is embedded in the rRNA. This process is called transcription.
What is translation and transcription process? Translation is the process of converting genetic information encoded in DNA into proteins, which are the building blocks of cells. This process begins with transcription, which is the first step in gene expression. During transcription, an enzyme called RNA polymerase binds to the DNA sequence and uses it as a template to create a complementary RNA molecule. This RNA molecule is then used as a template to create a sequence of amino acids, which are the building blocks of proteins. Translation begins when the mRNA molecule is decoded by the ribosome and tRNA molecules, which match the codons in the mRNA with specific amino acids. These amino acids are then joined together to form a protein, which can be used for a variety of biochemical reactions in the cell. Translation and transcription are essential processes in gene expression, as they are necessary for the creation of proteins that are essential for the functioning of the cell.To learn more about genetic information refer to:
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Experimental vs control group:
When conducting an experiment, the control group does not receive the treatment, while the experimental group is exposed to it. Individuals from both groups come from the same population.
What are the control group and the experimental group?
During an experiment the researcher compares at least two groups: a control group and an experimental group.
Both of them are composed of individuals coming from the same population, so they are identical in all aspects except for the independent variables.
Both groups must be similar in every variable that might influence the results, except for the study treatment.
The control group is the one used to identify any other factors influencing the results obtained in the study, apart from the modified variables of the treatment.It is useful to have a control group to observe how it responds when no treatment is applied.
The independent variable always keeps constant in the control group.
The experimental group is subjected to the effects of the treatment.The researcher applies different treatments to the experimental groups to analyze their response.
The researcher voluntarily changes the values of the independent variable to observe how it affects the individuals subjected.
There can be several experimental groups.
In conclusion, the control group does not receive the treatment, while the experimental group does.
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Which is an example of geographic isolation?
Responses
A Two groups of albatross live on separate islands but commonly cross from one island to the other.Two groups of albatross live on separate islands but commonly cross from one island to the other.
B A group of snakes is unable to cross a river and is separated from a group of snakes on the opposite side.A group of snakes is unable to cross a river and is separated from a group of snakes on the opposite side.
C A species of chipmunk becomes extinct because of a lack of food.A species of chipmunk becomes extinct because of a lack of food.
D One group of frogs mates in spring and another mates in fall, effectively isolating the two groups from breeding with each other.
A group of snakes that is unable to cross a river and is separated from a group of snakes on the opposite side is an example of the geographic isolation process (Option B).
What is the geographic isolation process?The geographic isolation process refers to all types of geographic barriers such as rivers that limit the gene flow between individuals of the same species.
Therefore, with this data, we can see that the geographic isolation process is associated with a limited gene flow in a population due to geographic barriers between individuals.
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how do humans impact the biodiversity of ecosystems
Answer:
Humans affect biodiversity by their population numbers, use of land, and their lifestyles, causing damage to habitats for species. Through proper education, and by demanding that governments make decisions to preserve biodiversity, the human population will be able to sustain life on earth longer.
Explanation:
Human population levels, land usage, and lifestyles all have an impact on biodiversity, causing damage to species' habitats. The human population will be able to maintain life on Earth for longer if adequate knowledge is provided and governments are forced to make decisions that protect biodiversity.
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Why are ferns different to mosses? Write a short paragraph listing these differences.
Mosses have a predominantly haploid life, while ferns are diploid. The spores of ferns are formed on the inside of their leaves while those of mosses are in capsules. Ferns have an underground stem and mosses are above ground.
Which sequence shows increasing complexity of ecological organizations
Answer:
Qué secuencia muestra la creciente complejidad de las organizaciones ecológicas?
Explanation:
Which best explains why metal cooking utensils often have plastic coating on their handles?
O Plastic melts less easily and lasts longer than metal.
O Plastic reduces the transfer of thermal energy to hands holding the utensils.
O Plastic molds more easily into shapes like long, thin handles.
O Plastic increases the rate of conduction from the utensil to the food.
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Answer:
B) Plastic reduces the transfer of thermal energy two hands holding the utensil.
Explanation:
plastic is a good insulator which means it's prevent energy, in this case thermal energy, from conducting into the person holding it. Metal is a very good conductor which is why you wouldn't want it to touch your hand while you're cooking.
Answer:
Plastic reduces the transfer of thermal energy to hands holding the utensils
A group of researchers transformed E. coli to express
dsRNA that matched a transcription factor, eaf-1. They
then fed these E. coli to C. elegans worms. When the
researchers examined the C. elegans, they found that
they had fewer offspring and were smaller individuals,
with similar characteristics to C. elegans in which eaf-1
had been knocked out.
The students suggested several hypotheses based on
these observations about how RNAi worked:
1. The dsRNA inhibited gene transcription.
2. The dsRNA inhibited mRNA processing.
3. The dsRNA inhibited translation of mRNA into protein.
4. The dsRNA inhibited protein folding.
Mark this and return
The researchers then performed a series of experiments
to determine which hypothesis was correct. The C.
elegans were found to be transcribing eaf-1 into mRNA,
but not producing eaf-1 protein. When the students
directly injected C. elegans with dsRNA and tracked
tagged mRNA, they found the mature mRNA was
degraded in the cytoplasm, and ribosomes were not
binding to it. Which hypothesis is supported by these
observations?
The hypothesis that is supported by these observations is that the dsRNA inhibited the translation of mRNA into protein (third option).
What does the experiment reveal about dsRNA?In this experiment, the C. elegans worms were transcribing eaf-1 into mRNA but not producing the eaf-1 protein. This phenomenon shows that dsRNA inhibited the translation of mRNA into protein related to the action of E. coli on the worms.
This also explains why the worms affected by this bacteria had fewer offspring and the offspring were smaller.
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Which term represents the idea that all living things are made up of cells that come from other living cells?
Answer:
cell theory.
Explanation:
Describe the ways in which the bacteria cells cluster together
Answer:
There are several different morphologies that describe particular bacteria and archaea. Archaea can have a round (cocci) shape or a rod (bacilli) shape.Bacteria can also be circular, rod, or a spiral shape (spirochete).
Alana summarized what happens when a ball sitting on top of a grassy hill rolls down the hill.
The motionless ball has potential energy. Once the ball starts to roll down the hill, new kinetic energy is made. As the ball rolls across the grass, it slows down. The kinetic energy of the ball is converted to other forms of energy.
Which best describes Alana’s error?
The motionless ball does not have energy because it is still.
Kinetic energy is not made; it is a result of energy transformation.
The ball cannot slow down unless someone touches it.
The energy is not converted; it disappears.
Answer:
It's actually B that guy is wrong on Edge.
Explanation:
Alana's error regarding the energy of the ball is that kinetic energy is not made; it is a result of energy transformation. The second option is true regarding the energy conversion.
What are the various types of energy?The law of conservation of energy says that energy is neither created nor destroyed but only converted from one form to another, such as from the kinetic to the potential and vice versa. Here, the ball is placed at the top, where it has no motion, but the ball has potential energy, and that potential energy gets converted into kinetic energy when the ball starts to roll down the hill. After sometime, the ball spontaneously stopped on the ground, and the kinetic energy was converted into potential energy.
Hence, Alana's error regarding the energy of the ball is that kinetic energy is not made; it is a result of energy transformation. The second option is true regarding the energy conversion.
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ATP is chemical energy that all cells use.
O True
O False
Answer:
true
Explanation:
Adenosine triphosphate is broken into adenosine diphosphate, giving off energy in the process. This occurs during both cellular respiration and photosynthesis.
Answer:
TRue
Explanation:
ATP is the energy carrying molecule that is found in the cells of all living things
Diffusion as glucose is moving from a high concentration to a low concentration (50 points)
In a controlled experiment researchers study ______ variable(s).
In a controlled experiment researchers study independent variable(s).
What is a controlled experiment
A controlled experiment involves the systematic manipulation of an independent variable (the cause) and the measurement of the dependent variable (the effect); all auxiliary variables are controlled.
Usually, a set of data is taken to be a control group, which is commonly the normal or usual state, and one or more other groups are examined where all conditions are identical to the control group and to each other except for one variable.
Sometimes it's necessary to change more than one variable, but all of the other experimental conditions will be controlled so that only the variables being examined change. And what is measured is the variables' amount or the way in which they change.
Hence, this is when a hypothesis is scientifically tested. In a controlled experiment, an independent variable (the cause) is systematically manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled. A controlled experiment has the benefit of making it simpler to determine whether the results are meaningful.
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What can happen to solar radiation when it enters Earth’s atmosphere?
It is increased as it hits the clouds.
It is absorbed or reflected as it travels to Earth’s surface.
It is changed into visible light.
It is destroyed by the water molecules in the atmosphere.
Solar radiation is absorbed or reflected as it travels to the earth's surface.
Solar RadiationWhen solar radiation enters the earth's atmosphere, the rays travel and hit the ground.
Some of the rays are absorbed by the ground while the rest are reflected back to the atmosphere.
Some of the reflected rays are absorbed by a layer of gas (greenhouse gases) that forms a blanket in the atmosphere while a tiny portion returns back into space.
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Answer:
Solar radiation is absorbed or reflected as it travels to the earth's surface.
Explanation:
Part A
Plants take up carbon dioxide (CO2) during photosynthesis and release it during respiration. According to the article, how
might increasing global temperatures affect the amount of carbon dioxide plants release during respiration?
B I y X
X
18pt
A
A
I
Answer:
Higher temperatures will increase respiration, so the amount of carbon dioxide that plants release could increase.
Explanation:
This is the sample answer
The occurrence of discarded fishing gear still catching or entangling fish is known as _______
A. ghost fishing.
B. lost fishing.
C. overfishing.
D. bycatch.
Answer:
ghost fishing
Explanation:
Answer:
A
Explanation:
Which of the following is an invasive species in Texas?
Which of the following statements about feedback regulation of a metabolic pathway is correct?
A) The compound that regulates the pathway acts as a competitive inhibitor or a positive allosteric regulator.
B) The enzyme that is regulated by feedback inhibition is usually the last enzyme in the metabolic pathway.
C) The final product of a metabolic pathway is usually the compound that regulates the pathway.
D) The products of the pathway become the reactants for a different reaction, and thus products are unable to accumulate.
E) Accumulation of the product of the pathway increases further formation of that product.
Answer:
Correct answer is: B) The final product of a metabolic pathway is usually the compound that regulates the pathway.
Explanation:
Feedback regulation of a metabolic pathway is a mechanism by which the end product of a pathway inhibits an enzyme that catalyzes an early step in the pathway, thus preventing the overaccumulation of the product. This is an example of negative feedback, which maintains homeostasis and optimizes the efficiency of the pathway.
For example, in the synthesis of the amino acid isoleucine from threonine, the final product isoleucine binds to the allosteric site of the first enzyme in the pathway, threonine deaminase, and inhibits its activity. This reduces the rate of the pathway and prevents the excess production of isoleucine.
Which part of the cell membrane repels water?
Check all that are true
A- outer part (outside of cell)
B- center of cell membrane
C- membrane layer facing into the cell
Answer:
B
Explanation:
The cell membrane is made up of a "lipid bilayer" This means that there is are two lipid molecules, each of which has a hydrophilic(water loving) head and hydrophobic(water hating) tail. In the membrane there are 2 molecules facing away from each other such that the head of the lipid faces out and the tail is on the inside. Therefore, with the hydrophobic tail on the inside or center of the membrane it would repel water.
The outer part and the center of the cell membrane are both hydrophobic, which means they repel water.
The cell membrane is a lipid bilayer, which means it is made up of two layers of phospholipids. Phospholipids are molecules that have a hydrophilic head and a hydrophobic tail. The hydrophilic head is attracted to water, while the hydrophobic tail is repelled by water.
The outer part of the cell membrane is exposed to the extracellular fluid, which is mostly water. The hydrophobic tails of the phospholipids in the outer part of the cell membrane are repelled by the water, which helps to keep the membrane from dissolving in the extracellular fluid.
The center of the cell membrane is also hydrophobic because it is made up of the hydrophobic tails of the phospholipids. The hydrophobic tails of the phospholipids in the center of the cell membrane are repelled by each other, which helps to keep the membrane from collapsing.
The membrane layer facing into the cell is also made up of phospholipids, but the hydrophilic heads of the phospholipids in this layer are facing inward, towards the cytoplasm of the cell. The hydrophilic heads of the phospholipids are attracted to the water in the cytoplasm, which helps to keep the membrane from dissolving in the cytoplasm.
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A lion cub resembles its parents because it inherits genes that produce
(1) DNA identical to all of the DNA found in both parents
(2) proteins identical to all of the proteins found in both parents
(3) ATP identical to some of the ATP found in each parent
(4) enzymes identical to some of the enzymes found in each parent
A lion cub resembles its parents because it inherits genes that produce DNA identical to all of the DNA found in both parents.
Why is an organism that reproduces agamic genetically identical to its parent?Agamic reproduction produces offspring that are genetically same to the parent because the offspring are all clones of the actual parent.
A single individual can have offspring agamic and large numbers of offspring can be made quickly.
Thus option "A" is correct, DNA identical to all of the DNA found in both parents.
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Name one disadvantage of light microscopes.
Answer: Bad Resolution.
Explanation:
Put the steps of enzyme activity in order from first to last using the drop down menu beside each step.
Answer:
A substrate enters the active site of the enzyme.
The enzyme and the substrate bind to form the enzyme and substrate complex.
The chemical reaction occurs.
New substances called “products” are formed.
Explanation:
You didn't put the answer fully but good luck!
is there vaccine for cancer
Answer:
yes
there is vaccines for cancer
Explanation:
plz mark me as brilliant please please please
Labor unions arose in the nineteenth century as increasing numbers of Americans took jobs in factories, mines, and mills in the growing industrial economy.
The Knights of Labor, founded in 1869, was the first major labor organization in the United States. The Knights organized unskilled and skilled workers, campaigned for an eight hour workday, and aspired to form a cooperative society in which laborers owned the industries in which they worked.
The Knights’ membership collapsed following the 1886 Haymarket Square riot in Chicago. By 1886 the American Federation of Labor (AFL), an alliance of skilled workers’ trade unions, was growing.
What is marine habitat and its characteristics
Refer to the attachment
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The table shows the mass and density of some substances density of substances mass g density of iron density of silver is the value of a less than greater than or equal to the value of p explain you ranswer
Answer:
lol
Explanation: