Biology, 31.08.2019 14:30 clipsyden

The evolution of organisms that use oxygen in their respiration was possible only because of the action of a group of bacteria that produced oxygen and changed the earth's atmosphere from an anoxic one to one rich in oxygen. that group of bacteria was:

Answers: 1

Show answers

Another question on Biology

Biology, 21.06.2019 23:40

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Answers: 1

Answer

Biology, 22.06.2019 00:00

Read the sentence. “yesterday we arrived late for the outdoor concert in the city gardens.” which words in the sentence are adverbs? a. late; city b. yesterday; outdoor c. yesterday; late d. outdoor; city

Answers: 1

Answer

Biology, 22.06.2019 06:00

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Answers: 2

Answer

Biology, 22.06.2019 07:00

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Answers: 2

Answer

You know the right answer?

The evolution of organisms that use oxygen in their respiration was possible only because of the act...

Questions

History, 19.03.2020 20:33

According to the Constitution, what was the U. S. government required to establish?...

Mathematics, 19.03.2020 20:33

Need help with #4 please! Serious answers please. Photo attached.

English, 19.03.2020 20:34

Can someone type up 10 sentences about your favorite restaurant...

Physics, 19.03.2020 20:34

A 100-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the di...

Mathematics, 19.03.2020 20:34

7. What is the coordinate notation for a reflection over the x-axis? 8. What is the coordinate notation for a reflection over the y-axis?...

Mathematics, 19.03.2020 20:34

Marc baked brownies in the brownie pan shown below. Each day, he is going to eat 20 square centimeters of brownie from the pan. For how ma...

Geography, 19.03.2020 20:34

How many states are in the pacific region?...

Business, 19.03.2020 20:34

Bryant Company has a factory machine with a book value of $85,100 and a remaining useful life of 5 years. It can be sold for $32,300. A new machine is...

History, 19.03.2020 20:34

The policy in Russia that was known as “perestroika” meant...

Social Studies, 19.03.2020 20:34

N Association of Private Sector Colleges and Universities v. Duncan and the U. S. Department of Education, the Department of Education published final...

Mathematics, 19.03.2020 20:34

What is 1/8 in decimal can it repeat...

Social Studies, 19.03.2020 20:35

What is one effect of globalization? A. It helps everyone become experts in using technology B. It makes us feel like we are part of a bro...

English, 19.03.2020 20:35

5. PART A: Which TWO of the following identify the central ideas of the text? Highlightyour answer. A. The teenage brain's wiring towards...

Physics, 19.03.2020 20:35

Which of the following correctly describes electrons? А - Electrons are found at the center of an atom and are constantly in motion....

Physics, 19.03.2020 20:35

Assume that the wave approaches the barrier from the negative x direction. The coefficient B cannot be set equal to zero because Be^-I squareroot (2um...

Mathematics, 19.03.2020 20:35

A. Yes, because some full-time workers exhibit arrogant behaviors but do not receive a poor performance rating. B. No, because some full-time workers...

Mathematics, 19.03.2020 20:35

Which ordered pair is shown in the graph? Please see picture Serious answers only

History, 19.03.2020 20:35

Consider Woodrow Wilson’s statement, “I am going to teach the South American republics to elect good men!” What characteristic of Wilson’s foreign pol...

History, 19.03.2020 20:35

Match the following. 1. connected Charleston and Hamburg Pennsylvania canals 2. connected Albany and Schenectady Baltimore and...

Biology, 19.03.2020 20:36

How do the dissolved oxygen levels impact the ability of brown shrimp populations to produce energy?...

More questions: Biology Another questions