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
lord [1]
3 years ago
13

Why do most biologists consider RNA to be life's first coding system?

Biology
2 answers:
Hoochie [10]3 years ago
8 0
Some RNA sequences appear to have changed very little through time. Many biologists consider RNA to have been life's first coding system. ... Evidence indicates that a sequence of chemical events preceded the origin of life on Earth and that life has evolved continuously since that time.
galina1969 [7]3 years ago
5 0
Because they studied a lot about dna and rna and figured that rna was the first coding system of lofe
You might be interested in
What organism consumes primary consumers
Lapatulllka [165]

Answer:

Secondary consumers.

Explanation:

In a trophic pyramid, there are conventionally four levels. From the bottom they are: Producers, Primary Consumers: Secondary Consumers, and at the top we have tertiary consumers. Each level generally consumes animals in the level below it. Producers consist of plants.

7 0
3 years ago
If two objects are moving at a constant speed with the same velocity, what will make the
Charra [1.4K]

Answer:

<em>The velocity can change by changing the direction</em>

Explanation:

If the direction changes, then the velocity changes even though the speed is constant. Hope this helps!

4 0
3 years ago
Please tell fast plzzzzzzz​
prohojiy [21]

Answer:

(a) and (d) are correct

Explanation:

AIDS is a disease that's usually transmitted by sexual contact and breast feeding.

8 0
3 years ago
Statement
skelet666 [1.2K]
The answer to your question is true
8 0
2 years ago
Having wet earwax (W) is a dominant trait in humans, and having dry earwax (w) is recessive. A father has the genotype WW, and t
Tasya [4]
The father's phenotype(physical trait) is wet earwax and the mother's phenotype is wet earwax as well.
4 0
3 years ago
Read 2 more answers
Other questions:
  • Which method is not acceptable for cooling hot foods for refrigeration?
    11·2 answers
  • Which of Virginia's watershed protection programs builds structures that protect areas from flooding?
    9·2 answers
  • The difference in the concentration of a substance across a space is called a concentration...?
    13·1 answer
  • Which include the male and female sex cells?
    8·1 answer
  • Number 3 please and thanks
    11·1 answer
  • 2 PUNTILS
    11·1 answer
  • What process converts solid water directly to gaseous water?
    10·1 answer
  • Suppose two people are exposed to equal doses of radiation (equal number of rads) inside their bodies. Suppose that the first pe
    10·2 answers
  • Approximately how much of Earth’s surface is water? 100% 75% 50% 25%
    7·2 answers
  • An example of conduction is:
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!