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Anit [1.1K]
2 years ago
10

What evidence has allowed scientists to conclude that the common ancestor of modern chimps and humans lived around 7 million yea

rs ago?
Biology
1 answer:
tatyana61 [14]2 years ago
8 0

Biological molecules such as proteins and DNA reveal differences between humans and chimps that would have taken around 7 million years to accumulate.

<h3>What is DNA?</h3>

All known animals and viruses have genetic information in the form of deoxyribonucleic acid, a polymer consisting of two polynucleotide chains that coil around one another to form a double helix. Ribonucleic acid is a type of nucleic acid, as is DNA.

The two DNA strands are known as polynucleotides because they are constructed from simpler monomeric units called nucleotides.

The four nucleobases that contain nitrogen—cytosine (C), guanine (G), adenine (A), or thymine (T)—along with deoxyribose and a phosphate group—make up each nucleotide. The sugar of one nucleotide and the phosphate of the following make covalent bonds, creating what is known as the phospho-diester linkage, which results in an alternating sugar-phosphate backbone.

To learn more about DNA visit:

brainly.com/question/264225

#SPJ4

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Read 2 more answers
A man borrowed money at a bank $1400 at the rate o 3% for 3 years. a) Find the simple interest b) Find th total money repaid aft
zhannawk [14.2K]

Answer:

a) The simple interest is $126.

b) The total money repaid after 3 years is $1526.

Step-by-step explanation:

A man borrowed money at a bank $1400 at the rate o 3% for 3 years.

a) Find the simple interest

\longrightarrow{\sf{\red{S.I =  \dfrac{PRT}{100}}}}

  • → S.I = Simple Interest
  • → P = Principal
  • → R = Rate
  • → T = Time

Substituting all the given values in the formula to find the Simple Interest :

\longrightarrow{\sf{S.I =  \dfrac{PRT}{100}}}

\longrightarrow{\sf{S.I =  \dfrac{P \times R \times T}{100}}}

\longrightarrow{\sf{S.I =  \dfrac{1400 \times 3 \times 3}{100}}}

\longrightarrow{\sf{S.I =  \dfrac{14 \cancel{00}\times 3 \times 3}{1 \cancel{00}}}}

\longrightarrow{\sf{S.I = 14 \times 3 \times 3}}

\longrightarrow{\sf{S.I = 42 \times 3}}

\longrightarrow{\sf{S.I = 126}}

\star{\underline{\boxed{\pmb{\sf{S.I = \$126}}}}}

Hence, the simple interest is $126.

━━━━━━━━━━━━━━━━

b) Find the total money repaid after 3 years

\dashrightarrow{\sf{\pink{A = P + S.I }}}

  • → A = Amount
  • → P = Principal
  • → S.I = Simple Interest

Substituting all the given values in the formula to find the Amount :

\dashrightarrow{\sf{A = P + S.I }}

\dashrightarrow{\sf{A = 1400 + 126 }}

\dashrightarrow{\sf{A = 1526}}

\star{\underline{\boxed{\pmb{\sf{A = \$1526}}}}}

Hence, the total money repaid after 3 years is $1526.

\rule{300}{2.5}

3 0
2 years ago
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