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tekilochka [14]
3 years ago
9

Which of the following is a part of the digestive system?

Biology
2 answers:
MrMuchimi3 years ago
7 0

Answer:

saliva

Explanation:

nevsk [136]3 years ago
3 0
Saliva is a part of the digestive system. saliva contains enzymes that help start the breakdown of food in the digestive process

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Study the information within the table below and then answer the following question.
adelina 88 [10]

Answer:

1:1

Explanation:

Purines: adenine (A), guanine (G)

Pyrimidines: thymine (T), cytosine (C)

Totals:

\left[\begin{array}{cccc}A&T&G&C\\82.4&80.8&69.1&68.4\\\end{array}\right]

\left[\begin{array}{cc}Purines&Pyrimidines\\151.5&149.2\\≈150&≈150\\ \end{array}\right]

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3 years ago
Which two particles are located in the nucleus of an atom and which one surround the nucleus
vovangra [49]

Answer:

proton and neutron are located in the nucleus of an atom.And the electron surrounds the nucleus.

Explanation:

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3 years ago
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How did land whales eventually became aquatic?
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Explanation:

To swim, they move their tails up and down, rather than back and forth as fishes do. This is because whales evolved from walking land mammals whose backbones did not naturally bend side to side, but up and down. ... Whales do the same thing as they swim, showing their ancient terrestrial heritage.

Cetaceans are fully aquatic marine mammals belonging to the order Artiodactyla, and branched off from other artiodactyls around 50 mya (million years ago). Cetaceans are thought to have evolved during the Eocene or earlier, sharing a closest common ancestor with hippopotamuses.

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3 years ago
What is the sequence of bases on DNA strand b from left to right<br> (See picture)
VLD [36.1K]

Answer:

DNA sequence from left to right

T G A G G A C T T

Explanation:

There are four DNA nitogenous base they include thymine, guanine, cytosine and Adenine. The Nitrogenous bases are complementary that is Adenine is complementary to thymine and cytosine is completely to quanine and they both can replace each other in this manner A-T,C-G and it means that Adenine can pair with thymine and cytosine can only pair with guanine. DNA is known as Deoxyribonucleic acid. DNA sequencing are shown usually from the 5' end to the 3' end . The sense strand in DNA is used in DNA sequences and also it has the antisense strand and also called the coding strand and the non-coding strand are information are contained in the sequence

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What is the difference between Genes and Alleles?
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Genes is found in the DNA. It decides a specific characteristic. Genes can transform and take two or more option structures and these structures are called Alleles. Presently allele happens in an altered spot in a chromosome and in people we have two arrangements of chromosomes.

There are 46 chromosomes in the human. 23 from the dad, 23 from the mother = 46 chromosomes.

5 0
3 years ago
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