What is the small molecule ?
Answers
Answer:
Within the fields of molecular biology and pharmacology, a small molecule is a low molecular weight organic compound that may regulate a biological process, with a size on the order of 1 nm. Many drugs are small molecules.
Explanation:
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Related Questions
Definition of Cancer?
Answers
Answer:
A disease in which abnormal cells divide uncontrollably and destroy body tissue.
Explanation:
Answer:
Cancer
Explanation:
A disease caused by an uncontrolled division of abnormal cells in a part of the body. A growth or tumor resulting from the division of abnormal cells.
plzz help im begging
Answers
Answer:
Animals can step on rocks and break it into smaller pieces
Explanation:
what is a group of organisms with exactly the same traits called
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Answer:
the group of organisms with exactly the same traits is called species
The gradual ______________________ of one plant community by another through natural processes over time.
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Answer:
The gradual replacement of one plant community by another through natural processes over time.
Explanation:
Succession is a process dominated by plants, in which communities change as a function of the changes experienced by plant communities, that is, it is the natural evolutionary process by which some species gradually take the place of others less adapted to the environment. Ecological succession tries to predict the changes that occur in ecosystems over long periods of time, that is, the temporary directional change in the composition or structure of a community over time.
a single layer of irregulary shaped cells are known as the?
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it might be cell membrane
New genetic combinations are a result of
a. Nondisjunction
b. Crossing over
c. accidents
d. all of the above
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Answer:
Explanation: D
When considering two genes which are complementary such as AAbb x aaBB, what phenotypic ratio do you expect to be observed in F2 progeny
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When considering two genes which are complementary such as AAbb x aaBB, a 9:7 phenotypic ratio is expected to be observed in F2 progeny.
Complementary gene crosses are a type of inheritance pattern that occurs when two genes complement one another, leading to a distinct phenotype.
Complementary genes require both gene products to create the wild-type phenotype.AAbb x aaBB is an example of a complementary gene cross. A and B are two pairs of genes that are complementary, meaning that they produce the wild-type phenotype only when both are present. Thus, when two individuals with the AAbb and aaBB genotypes are crossed, the expected phenotypic ratio in F2 progeny is 9:7.
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If a small amount of dye is placed in a beaker of water, it will flow away from the initial point of
contact. The ensuing process illustrates:
A) diffusion.
B) concentration.
C) charge.
D) electrostatic pressure.
Answers
The ensuing process illustrates:
A) diffusion.
What process explains the movement of dye in water?Diffusion is the main process that explains the movement of dye in water. When a small amount of dye is placed in a beaker of water, the dye molecules are in constant random motion. Due to this molecular motion, the dye molecules spread out from the initial point of contact and become evenly distributed throughout the water.
Diffusion occurs as a result of the natural tendency of particles to move from an area of higher concentration to an area of lower concentration. In this case, the dye molecules move away from the region of high concentration (where the dye was initially placed) and disperse into the surrounding water until equilibrium is reached, and the dye is uniformly distributed.
This process of diffusion is driven by the random motion and collisions of the dye molecules, which gradually mix the dye with the water. The speed of diffusion depends on factors such as temperature, concentration gradient, and the nature of the substances involved.
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Which vascular changes can occur in older adults because of the increase in blood pressure during the aging process
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The vascular changes that occur in older adults due to increase in blood pressure is breakage or a leak.
Vascular changes during old ageThere are vascular changes that occur as an individual advance in age. This may be as a result of an underlying age related illnesses such as increase in blood pressure.
High blood pressure is a situation where the force against the blood vessel is high. This occurs due to changes in the connective tissue of the blood vessel wall.
As an individual advances in age, the walls of the blood vessels becomes weaker and may break. Also the damage can make the artery wall stretch and bulge out like a balloon. It can break open and bleed.
Therefore, the vascular changes that occur in older adults due to increase in blood pressure is breakage or a leak.
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what is photo synthesis
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Answer:
Explanation:
Photosynthesis is the process of producing Glucose from CO2 and Water. The chemical reaction requires sunlight.
6H2O + 6CO2 ===> C6H12O6 + 6O2
If you are interested in the Environment, you should notice that plants take in CO2 and give away O2, the exact opposite of what animals and humans do. We should be extra careful about how we treat forests -- they produce what we need.
Which biotic factor would be most effective in maintaining homeostasis in an ecosystem
1. The absence of large trees
2. The presence of many ponds
3. The presence of many species
4. The absence of predators
Answers
Answer: 3. The presence of many species
Explanation:
A biotic factor that would be most effective in maintaining homeostasis in an ecosystem is as follows:
The presence of many species.Thus, the correct option for this question is C.
What is an Ecosystem?An ecosystem may be defined as a place or an area where individuals of different species live together and interact with one another for the purpose of food, shelter, and space.
Among the given options, the pond is classified as a source of abiotic factors. While the absence of trees is not favorable for any ecosystem in order to maintain homeostasis. The absence of predators makes a population grow significantly but does not maintain homeostasis, it is also not considered.
The presence of many species increases the overall diversity of any ecosystem. It also provides flexibility to the surrounding atmosphere. This statement is typically involved in the effective maintenance of homeostasis in an ecosystem.
Therefore, the correct option for this question is C.
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are males more likely to have hypophosphatemia than females explain
Answers
Answer:
Males are more likely to have hypophosphatemia.
Explanation:
In females, a mutation would have to happen in both copies of the genes to cause the disorder. It is rare having females with 2 altered copies of this gene. Males are X-linked by recessive disorders much more frequently then females.
name the part of alimentary canal that grinds lumps of food up and mixes it with saliva (without explanation)
Answers
Answer: Mouth or oral cavity
Explanation:
The alimentary canal is the long passage through which the food passes. It includes components like mouth, esophagus, stomach, intestines, and anus. It is supplied by digestive juices and secretions by other organs like liver, and pancreas which are not the part of the alimentary canal. Mouth or oral cavity or buccal cavity is the first component of the alimentary canal from where the food enters in the body. It is grinded and masticated by the teeth and mixed with the saliva so that it is converted into liquid form easily swallowed through the gut. The saliva is produced by the salivary amylase enzyme present in the mouth.
Arranging the four RNA nucleotides A, G, C and U in groups of three with all possible combinations leads to a set of codons called the ______.
Answers
Arranging the four RNA nucleotides A, G, C, and U in groups of three with all possible combinations leads to a set of codons called the genetic code.
The genetic code is a system that translates the sequence of nucleotides in mRNA into the corresponding sequence of amino acids during protein synthesis. Each codon represents a specific amino acid or a stop signal.
There are a total of 64 possible codons in the genetic code, including 61 codons that code for amino acids and 3 codons (UAA, UAG, UGA) that act as stop signals to terminate protein synthesis.
The genetic code is nearly universal, meaning that most organisms use the same codons to specify the same amino acids, allowing for the transfer of genetic information across different species.
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A producer gets energy from _______ and converts it into food. a.Primary consumers b.The sun c.Nonliving organic matter d.Secondary consumers
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When writing DNA, you may only write what 4 bases?
Answers
Answer:
A's T's C's and G's
Explanation:
Adenine, Thymine, Cytosine, and Guanine
Which neurons transmit information from the
central nervous system to muscles and glands?
(a) Sensory neurons
(b) Interneurons
(c) Motor neutrons
(d) Bipolar neurons
Answers
Answer:
C
Explanation:
the motor neuron branches from the central nervous system to the effector which can be the muscle or gland
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how do bacteria protect their genetic material and cytoplasm during harsh conditions?
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Why is there a synaptic delay in gustatory receptors that is not seen in olfactory receptors?.
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Delay in gustatory receptors because of gustatory receptors have separate receptor cells and sensory neurons.
The gustatory system is a sensory system for the sense of taste that helps capture stimuli in the form of chemical substances. While the olfactory process starts from the nose which will smell a certain aroma, which is then processed by olfactory nerve cells (olfactory cells). Gustatory receptors occur on the surface of the tongue, whereas olfactory receptors occur on the upper back of the dome of the nose.
Gustatory receptors are composed of dozens of epithelial cells. In each taste cell there is a gustatory hair which functions to generate an action potential when it gets a chemical stimulus that dissolves in saliva. Meanwhile, olfactory receptors activate signaling pathways to generate action potentials when air molecules enter the nose. The action potential reaches the olfactory bulb and then reaches the brain, which is responsible for smell recognition.
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The advantage to using vapor collection instead of the syringe when testing samples for hydrocarbons is
the vapor collection is less expensive and less time consuming
the vapor method increases the sensitivity of the test
the syringe is easily contaminated by the surrounding air
the vapor method is less likely to start another
Answers
Answer:
the vapor method increases the sensitivity of the test
Explanation:
The leaf shown has a color pattern of green and white.
Green
Which part of the leaf most likely produces the most
glucose?
Answers
Answer:
The green part because the chloroplast is there and chlorophyll is in the chloroplast that makes the leaf green, since it contains a green pigment. The chlorophyll takes in energy and then uses it to make glucose in the chlorophyll.
Explanation:
A team of science researchers is trying to decide which type of microscope to purchase for their laboratory. Compared to electron microscopes, a light microscope provides which of these drawbacks or disadvantages?
A. uses electricity
B. specimens cannot be alive
C. lower magnification power
D. more expensive to purchase and operate
Answers
Answer:
d
Explanation:
The drawback or disadvantage associated with the use of light microscopes over electron microscope is its lower magnification power.
LIGHT MICROSCOPE:
Light microscope is a type of microscope in which photons of light is used to view specimens. The light microscope is distinct from the electron microscope being that electron microscope uses beam of electrons instead. One advantage of light microscope is that it can view specimens alive while electron microscope can only view dead specimens. However, one disadvantage associated with the use of light microscope is that it possesses a lower magnification compared to electron microscopes.Learn more at: https://brainly.com/question/4442916
Which of the following groups gets energy from decaying organisms? A: producers B: omnivores c: decomposers d: secondary consumers
Answers
Answer:
decomposers
Explanation:
decomposers feed on dead organisms in the process decomposing it
How is a mineral of volcanic origin with large crystals most likely formed?
A. crystallization through evaporation of water
B. crystallization of molten material inside Earth
C. crystallization of molten material at Earth’s surface
D. crystallization through cooling of a hot water solution
Answers
Answer:
B
Explanation:
took the test
Which of the following statements can be attributed to water's versatility as a
SOLVENT?
Answers
Answer:
1no. is the answer I think
which feature of the genetic code ensures that translation of a single mrna sequence will always result in the same amino acid sequence?
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The feature of the genetic code that ensures that the translation of a single mRNA sequence will always result in the same amino acid sequence is the codon-anticodon pairing.
Codons and anticodons match up during protein synthesis to create the polypeptide chain. There are 20 amino acids in proteins, and 64 different codons exist in the genetic code. The genetic code is read in a 5′ to 3′ direction. The first nucleotide in the codon is located on the 5′ end of the mRNA, whereas the last nucleotide is located on the 3′ end of the mRNA.
The genetic code is degenerate, which means that more than one codon corresponds to the same amino acid. The only exceptions are methionine and tryptophan, which have just one codon that codes for them. As a result, the codon-anticodon pairing guarantees that a single mRNA sequence will always result in the same amino acid sequence.
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Briefly describe how each of the organisms listed in the table performs gas exchange with its surroundings. Organism - How it exchanges gases with its environment E. coli bacteria A ciliated protist cell A brown algae A fungal hyphal thread A bryophyte A pine tree A sponge A comb jelly A flatworm A bivalve An earthworm An insect A lobster A human
Answers
Various organisms are listed below and how they perform gas exchange with their environment. Each organism has a unique method of gas exchange, such as diffusion or specialized respiratory structures.
Organism - How it exchanges gases with its environment:
E. coli bacteria: Diffusion through the cell membraneA ciliated protist cell: Diffusion across the cell membrane and exchange through specialized structures such as gills or tracheae.A brown algae: Diffusion across the thallus and exchange through specialized structures such as air bladders or pneumatocysts.A fungal hyphal thread: Diffusion through the cell wall and exchange through specialized structures such as gills or pores.A bryophyte: Diffusion across the thallus and exchange through stomata or specialized structures such as air chambers.A pine tree: Diffusion through the needles and exchange through stomata on the leaves.A sponge: Diffusion through the body wall and exchange through specialized structures such as choanocytes or specialized cells.A comb jelly: Diffusion across the body surface and exchange through specialized structures such as combs or ciliary rows.A flatworm: Diffusion across the body surface and exchange through specialized structures such as branched guts or protonephridia.A bivalve: Diffusion across the gills and exchange through specialized structures such as siphons or mantle cavities.An earthworm: Diffusion across the body surface and exchange through specialized structures such as cutaneous respiration or simple lungs.An insect: Exchange through a system of tubes called tracheae that branch throughout the body and open to the outside through spiracles.A lobster: Exchange through gills located on the legs and specialized structures such as pleopods or swimmerets.A human: Exchange through the lungs, where air is taken in and exchanged with blood through tiny capillaries.To know more about the respiratory structures refer here :
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what chemicals are the sides of the DNA ladder made of?
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Answer:
The sides of the ladder are made of alternating sugar and phosphate molecules. The sugar is deoxyribose. The rungs of the ladder are pairs of 4 types of nitrogen bases. Two of the bases are purines- adenine and guanine.
In class, we did a zig zag streak of an environmental sample? What modification did we need to make if the sample was wet versus dry?
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The modification that needed to be made to the zigzag streak method if the environmental sample was wet is the "three-point streak" method.
In microbiology, streaking is a technique used to isolate and grow bacteria on a solid culture medium such as an agar plate. The zigzag streak method is commonly used to streak solid or semisolid samples, but when working with liquid samples, a modification called the "three-point streak" is used.
If the sample is wet, a sterile inoculating loop or needle becomes saturated with the liquid and cannot effectively streak the sample. The three-point streak method helps to evenly distribute the liquid sample across the surface of the agar plate, allowing for proper growth and isolation of individual colonies.
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What is the author's primary purpose in the passage?
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In the primary purpose inquiries, the author's possible motivations for writing the text are sought. It's a good idea to keep asking yourself "So what?" while reading the chapter passage for the first time.
What is the goal? A writer's motivation for writing is their goal or objective. An author may wish to make light of a situation, educate, persuade, or the entertain the reader. An author may wish to educate, entertain, persuade, or mock a passage condition. Early on, the reader is made aware that the author is malnourished and the overworked, and that a selection is about to be presented.
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