1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Natalka [10]
2 years ago
14

One reason why RNA molecules are the leading candidate as the first informational molecule is that a. some RNA molecules can fun

ction as enzymes. b. RNA nucleotides are a major component of cell membranes. c. RNA molecules are usually double stranded. d. RNA serves as the hereditary material in today’s prokaryotic cells.
Biology
1 answer:
lakkis [162]2 years ago
4 0

Answer:

<h2>a. some RNA molecules can function as enzymes. </h2>

Explanation:

There are two types of genetic material or nucleic acid RNA and DNA. RNA molecule is considered as first information molecule because of several reasons like -

RNA is less stable than the DNA which shows that a less stable form of genetic material gave rise to a more stable form of genetic material.

One of the most important prove is RNA is catalytic which means it can function as enzymes and can catalyze the reaction which is used to copy genetic material i.e RNA. So the correct answer is a.

You might be interested in
"Which term correctly identifies the process by which molecules move through the dialysis tube membrane?
SSSSS [86.1K]
I think the correct answer from the choices listed above is option 3. The term that correctly identifies the process by which molecules move through the dialysis tube membrane would be diffusion. <span>The molecules move from a region where they are in high concentration to a region where they are in low concentration.</span>
5 0
2 years ago
If the results of an experiment do not support a scientist’s hypothesis, what should the scientist conclude?
spayn [35]

Answer:

D

Explanation:

because there is no bad hypothesis,

mistakes happena and thats why she should try again,

never give up

D is only logicall

5 0
2 years ago
Read 2 more answers
Which information can be determined using half-life?
KATRIN_1 [288]

Answer : In radioactive decay, the half-life is the length of time after which there is a 50% chance that an atom will have undergone nuclear decay. It varies depending on the atom type and isotope, and is usually determined experimentally.

hope it will help you

7 0
2 years ago
Which organ has the most chloroplast and why?<br><br>A. Roots<br>B. Stems<br>C. Leaves
Harlamova29_29 [7]
The leaves because that's what has most green.So they have more pigments to produce chloroplast.
3 0
2 years ago
Read 2 more answers
How does the pairing of the nitrogen bases in a DNA molecule make sure that a replicated strand is exactly the same as the origi
katrin2010 [14]

<span>What ensures that DNA molecule is replicated exactly as its original strand is with the ability of the DNA to make way and let the base pairs match with each base. This enables them to form the same strands so that it is identical and not different with the original strand.</span>

6 0
3 years ago
Other questions:
  • If a wave has a wavelength of 1 centimeter, it must be a(n)
    11·2 answers
  • When the settlers arrived in New England, many forests were turned into fields. Eventually, some fields were abandoned and then
    6·1 answer
  • According to the Shannon Diversity Index, which of the five blocks above, with each containing 36 squares, would show the greate
    15·1 answer
  • SCIENCE QUESTION PLEASE HELP!!! URGENT!
    15·1 answer
  • Can you tell me everything relating to an eye?
    14·1 answer
  • What is the lowest layer of the atmosphere?
    15·2 answers
  • Which characteristic is found in liquids and gases?
    13·2 answers
  • At concentrations of 0.1-1 g/mL. colchicine, a natural plant product, can cause the mitotic arrest of dividing cells at metaphas
    13·1 answer
  • a student is asked to classify examples of cells based on prepared microscope slides. The student classified the cells according
    5·1 answer
  • an igneous rock forms quickly. which characteristics could the rock have? small sand grains. Large mineral crystals. smooth, sha
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!