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jeka57 [31]
3 years ago
9

How many types of nucleotides are in DNA, and how do they differ?

Biology
2 answers:
Andrews [41]3 years ago
4 0

There are four different types of nucleotides in DNA, and they differ from one another by the type of base that is present: adenine (A), thymine (T), guanine (G), and cytosine (C). A base on one of the chains that makes up DNA is chemically bonded to a base on the other chain.

lesya692 [45]3 years ago
4 0

Answer:

Nucleotides in DNA contain four different nitrogenous bases: Thymine, Cytosine, Adenine, or Guanine. ... Pyrimidines: Cytosine and Thymine each have a single six-member ring. Purines: Guanine and Adenine each have a double ring made up of a five-atom ring attached by one side to a six-atom ring.

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Explanation:

The graph shows that the student measures equal distance everyday from the bridge to the rock for 7 days.

Everyday has an equal distance measured by the student all through the week.

Let's say the point on the vertical axis which represents distance measured is about 1.5 meters. It means that, for day 1, he measures 1.5 meters, day 2, he measured 1.5 meters, by day 3 another 1.5 meters. Same he does for 7 days. For the first 3 days, he would have measured 1.5 m × 3 = 4.5 meters.

This means that, as time (days) increased, distance measured each day remains the same.

6 0
3 years ago
Why do leaves appear green?
s2008m [1.1K]

<u>Answer:</u>

The correct answer option is B. Green wavelengths are the least used in photosynthesis.

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From that visible light spectrum, chlorophyll is only able to absorb light of red and blue wavelength. The green light is not absorbed by the by chlorophyll as it is reflected back.

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6 0
2 years ago
Read 2 more answers
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Soloha48 [4]
A string of nucleotides that hold information is called a gene. :)
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