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AysviL [449]
3 years ago
5

Which of these provided the first evidence of life on Earth? ancient virus ancient bacteria non-living molecules reproducing mol

ecules
Biology
2 answers:
Sladkaya [172]3 years ago
5 0
It was ancient fossils containing ----Ancient bacteria---

Tems11 [23]3 years ago
5 0

Answer: Ancient Bacteria.

Explanation: The first evidence of life on earth was Bacteria. These ancient bacteria were found in the hydro thermal vent.

The putative fossil of the microorganism was found in the hydrothermal vent.They are unknown and they might have live over 3.7 billion years years ago. They might have the ability to live in such hot environment.

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You eat a candy bar to get you through a late-night studying session. Your body quickly begins to break down the macromolecules
irga5000 [103]

Answer:

a. First Step: The sugars are broken down to simple glucose molecules and the proteins and lipids are broken down to acetyl-CoA molecules. No energy is produced in this first step.

b. Second Step: Glycolysis converts the glucose to two molecules of pyruvate. Six ATP molecules are produced in this step.

c. Third Step: Oxidation of each pyruvate produces two molecules of acetyl-CoA. Six ATP molecules are produced in this step.

d. Fourth Step: Two acetyl-CoA molecules go through the Krebs (citric acid) cycle. Twenty-four ATP molecules are produced through this process.

e. All of the above steps are part of the break down of the candy bar's macromolecules.

Explanation:

7 0
3 years ago
What is the main purpose of the nervous system??
Arada [10]
The main purpose is communication. like when you stub your toe , your nervous system communicates to your brain to react and have pain
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3 years ago
Fever is the most serious symptom of a systemic infection.<br><br> True<br> False
Andrei [34K]

Answer:

true

Explanation:that going to be the first symptom you first get when your sick.

3 0
3 years ago
What is the difference between fibrous protein and globular protein​
BARSIC [14]

Answer:

Fibrous proteins are generally composed of long and narrow strands and have a structural role.

Globular proteins generally have a more compact and rounded shape and have functional roles.

Explanation:

fibrous proteins ARE something, whereas globular proteins DO something.

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In the central african republic and cameroon tsetse flies cause the spread of
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Deadly diseases ;) Glad to help!!
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