What are the three main reactions for aerobic cellular respiration?

1 answer:

7 0

There are three main stages to get from food molecules to ATP: glycolysis, the citric acid cycle, and the electron transport chain.

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Which statement is true about fossils?

KonstantinChe [14]

Answer:

C. A fossil is any trace of prehistoric life

Explanation:

None of the other answer choices are reasonable enough to be true. I hope this can help you!

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Which vitamin is synthesized by microbes in the intestine and helps to maintain bone health

ch4aika [34]

Hi there.

to maintain bone health, fiber is the only vitamin that is synthesized by microbes in the intestine.

-have a great day :)

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3 years ago

1. What are Chargaff's rules?

kotegsom [21]

1)Chargaff's rules state that DNA from any cell of any organisms should have a 1:1 ratio of pyrimidine and purine bases and, more specifically, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine. This pattern is found in both strands of the DNA.

2)DNA structure

DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.

3)A nucleotide consists of three things: A nitrogenous base, which can be either adenine, guanine, cytosine, or thymine (in the case of RNA, thymine is replaced by uracil). A five-carbon sugar, called deoxyribose because it is lacking an oxygen group on one of its carbons. One or more phosphate groups.

4)DNA replication is said to be semi-conservative because of this process of replication, where the resulting double helix is composed of both an old strand and a new strand. ... Semiconservative replication would produce two copies that each contained one of the original strands and one new strand.

5)The diagram has show in above.

6)complementary base pairing is necessary because the double helix shape would not be the same if not. Doubles would only pair with doubles and the singles to singles.

HOPE THIS HELPS YOU.

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3 years ago

A single strand of DNA helix has the code CGCTAA. Which would be the complementary code on the other strand of the helix?

Yakvenalex [24]

The correct answer is option 4, that is, GCGATT.

Complementary strand refers to either of the two chains, which forms a double helix of DNA, with corresponding positions on the two chains comprising of a pair of complementary bases. It is a section of one nucleic acid, which is bonded to another by an alignment of base pairs.

In nature, complementarity refers to the base principle of DNA transcription and replication as it is a characteristic shared between the two RNA or DNA sequences, such that when they are arranged antiparallel to each other, the nucleotide bases at each position in the sequences will be complementary.

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Please helppp me with this

ArbitrLikvidat [17]

Answer: Blue because of google lol

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3 years ago