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DaniilM [7]
3 years ago
13

Pre-Test

Biology
1 answer:
GaryK [48]3 years ago
7 0

Answer:

Venus's atmosphere is thick and contains clouds of sulfuric acid

Explanation:

just checked

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What is the pigment inside of a leaf that makes it green and absorbs sunlight?
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Chlorophyll

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Explain how the chemical structure of the carbon atom accounts for the differences between the male and female lions seen in the
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Answer:

in male lion, two methyl groups are present in its structure  while in female lion, two hydroxl groups are present in its structure

Explanation:

The chemical structure of the carbon atom is different in both male and female lion because both male and female lions have different sex harmones which are totally different from one another. In male lion, testosterone is a sex hormone whose chemical formula is C19H28O2 and two methyl groups and one hydroxl group are present in its structure while in female lion, oestradiol is a sex hormone having a chemical formula C18H24O2  and two hydroxyl groups are present.

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Myelitis sheath
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In dna replication, _______________________ pairs with thymine, and cytosine pairs with _______________________.
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In DNA replication, <u>adenine</u> pairs with thymine, and cytosine pairs with <u>guanine</u>.

In the field of science, DNA replication can be described as a process by which DNA makes copies of itself.

DNA is made of four nucleotide bases, deoxyribose sugar, and phosphate groups. The four nucleotide bases present in the DNA are adenine, guanine, thymine, and cytosine.

Adenine and guanine are nucleotide bases that have two carbon-nitrogen rings and are referred to as purines. Thymine and cytosine are made of one carbon-nitrogen ring and are referred to as pyrimidines. In the DNA, adenine pairs with thymine, and cytosine pairs with guanine.

To learn more about DNA replication, click here:

brainly.com/question/460613

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