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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
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In the diagram below, which step represents the excretory function of the lungs?
zheka24 [161]

Answer:

B. CO2 out

Explanation:

The excretion is the process of removal of the waste product from the body. The carbon dioxide is the byproduct of the aerobic respiration, which is carries from the tissues and the lungs by blood. In the lungs at alveoli, the carbon dioxide is transferred from the blood to the lungs and released out through the nostrils. Hence, the out of the carbon dioxide represent excretion through lungs.

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3 years ago
Drag the tiles to the correct boxes to complete the pairs. Match the disadvantages to the correct conservation methods.
Katarina [22]

Answer:

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Explanation:

7 0
3 years ago
What type of stress occurs when a rock mass is pushed in parallel and opposite directions?
natima [27]

Answer:

Shear stress

Explanation:

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7 0
2 years ago
What is the function of apple cider vinegar in the marinade? What is the function of yeast flakes in the marinade?
bonufazy [111]

Answer:

Explanation:

Answer 1: The function of the apple cider vinegar in the marinade.

1. It can be used as an digestion aid as it can produce acids in the stomach which will facilitate in digestion.

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3. It is capable of killing the harmful bacteria in the marinade.

Answer 2:  The function of yeast flakes in the marinade.

1. It is added to the marinade so as to provide a creamy, and cheese like flavor to the marinade.

2. It also aids in digestion.

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4. It is free from sugars, and gluten and also contains Vitamin B12, and iron.

8 0
2 years ago
Which of the following does NOT influence population change?
Valentin [98]
The answer is F. Interest Rate
5 0
2 years ago
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