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Tanzania [10]
3 years ago
7

What was chargaffs observation about the nitrogen bases in dna

Biology
1 answer:
zubka84 [21]3 years ago
5 0
DNA contains equal amounts of adenine/thymine and guanine/cytosine.
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1.
Allushta [10]
1. The answer is "<span>the energy required to start the reaction".

</span>This energy is called as activation energy of the reaction. If the activation energy is high, reaction is slow. Enzymes help to carry out the reaction by a new path by reducing the activation energy. But the energy of reactants and the products remain as same as without enzyme.

2. The answer is "reaction in cells would be too slow to sustain life<span>".

</span>If the activation energy is very high for the reaction, then that reaction will be very slow and will require more time<span> to complete the reaction. Then survival is very low. Hence, the roll of enzymes is very important to sustain life.</span>
7 0
2 years ago
Explanation on Mitosis​
Kipish [7]
Mitosis is the division that results in two “daughter” cells. Both of these daughter cells have the same number of chromosomes as the “parent” cell.
Mitosis consists of 4 phases: prophase, metaphase, anaphase, and telophase.
Prophase: the DNA is copied and the chromosomes pair up
Metaphase: the chromosomes line up in the middle of the cell
Anaphase: sister chromatids are pulled apart from each other towards opposite sides of the cell
Telophase: the cell begins to pinch in the middle and separates into two identical daughter cells
3 0
3 years ago
Approximately how much of the Sun's energy is currently reflected by Earth's atn
Crank

Answer:

40% my friend said that

Explanation:

3 0
2 years ago
Select the correct answer.
Hoochie [10]

Answer:

a

Explanation:

its talks about the difference

4 0
2 years ago
Read 2 more answers
What nucleotide is used during transcription instead of thymine
enyata [817]
It differs from DNA chemically in two respects: (1) the nucleotides in RNAare ribonucleotides—that is, they contain the sugar ribose (hence the name ribonucleic acid) rather than deoxyribose; (2) although, like DNA,RNA contains the bases adenine (A), guanine (G), and cytosine (C), it contains the base uracil (U) .
3 0
3 years ago
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