Which characteristic of prokaryotic organisms makes them different from eukaryotes

Answers

Answer 1

Answer:

Answer:

Prokaryotes are the most primitive form of life that exist on earth. They came before eukaryotes.

The main difference is the presence of nucleus which is present in eukaryotes and absent in prokaryotes.

The genetic material of prokaryotes are dissolved in the cytoplasm whereas in case of eukaryotes the genetic material is in-tacked inside a double membrane organelle nucleus.

There are many more membrane bound cell organelles found in eukaryotes that are absent in prokaryotes.

Answer 2

Answer: the prokaryotic cells do not have a nucleus or membrane bound organelles

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Scientists compare two different plant species. In species A, the leaf color is controlled by two alleles. In species B, leaf color is controlled by three alleles. How will these two plants be different?A. Species B will have fewer genotypes.
B. Species B will have fewer phenotypes.
C. Species A will have more genotypes.
D. Species A will have fewer phenotypes.

Answers

The answer is D. Species A will have fewer phenotypes.
Alleles are alternative forms of a gene. In species A, the leaf color is controlled by two alleles, for example, P and Q. They will have three possible genotypes - PP, PQ, and QQ. Three different genotypes give maximum three phenotypes.In species B, leaf color is controlled by three alleles, for example, L, M, and N. They will have six different genotypes - LL, LM, LN, MM, MN, and NN. Six different genotypes give maximum 6 phenotypes.

The cellular basis of muscular dystrophy is that some of a child's muscle cells A. have combined into a structure that cannot contract. B. lack DNA. C. lack a protein that enables them to withstand the force of contraction. D. have too much of a contractile protein and become overworked. E. have become haploid.

Answers

C lack of protein that enables them to withstand the force of contraction.

3' GCTTAGTCCG 5' Which of the following nucleotide base sequences complements the section of DNA modeled above?a. 3' TAGGCTGAAT 5'
b. 3' CGAATCAGGC 5'
c. 3' CGTTAACGAG 5'
d. 3' GCTTAAGTCA 5'

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5' CGGACTAAGC 3' It's B

b. 3' CGAATCAGGC 5'

Should be the answer

What can affect the activity of an enzyme?

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Factors Affecting Enzyme Activity. ... Several factors affect the rate at which enzymatic reactions proceed - temperature, pH, enzyme concentration, substrate concentration, and the presence of any inhibitors or activators.

Please help need answer.

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Answer:

Column A

3. The non-use of drugs is helping with performance, as a sports player myself I know that if I used drugs there would be problems with my performance in terms of cardio; drugs can make you overdose, have concussions, hallucinations, and it can damage lungs, liver, hear, which will stop you from being able to perform well or even play at all. These can be caused by steroids which can damage your insides.

Column B

2. The use of drugs is definitely affecting the student because he could be hallucinating or having trouble with anxiety because drugs can cause anxiety, making it impossible to concentrate and allowing your brain to have trouble in performing in the way it needs to help you in school.

The best scientific theories not only explain and organize known facts but also __ __.

Answers

Answer:

The given blank can be filled with generate new predictions.

Explanation:

A scientific theory refers to an array of propositions created to illustrate a group of phenomena or facts in the natural world, which are confirmed recurrently via observation or experiment.

An array of facts and associations between the facts, which can predict or illustrate the associated phenomena is considered as a theory. The best theories not only organize or illustrate the well-known facts, however, it also helps in generating new predictions.

The best scientific theories not only explain and organize known facts but also generate new predictions

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As a scientist, you seek to prove that DNA is the hereditary macromolecule by replicating the Hershey-Chase experiment. You culture the lambda phage in heavy and light Cl (Cl-36 is heavy and radioactive - the most abundant is Cl-35, lighter and non-radioactive). You purify the phage from their growth media and infect the E. coli, where will you detect radioactivity?Select one:a. Within the E. coli pellet as the DNA has entered the bacterial cells.b. On the E. coli cell surface (or phage fraction), as part of the phage protein coat.c. In the supernatent (free liquid) of your test tubed. Both A and Be. None of the aboveWhy is the answer none of the above? Why cant the radioactivity be detected?

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