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Alla [95]
3 years ago
12

PLEASE HELP ASAP!!!! 100% CORRECT ANSWERS ONLY PLEASE!!!! I CANNOT RETAKE THIS.

Biology
1 answer:
Dahasolnce [82]3 years ago
8 0
A gene plz don't report if this is not what your lookin for
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3)What is the epiglottis?
lana [24]

Answer:

3)The epiglottis is a small, movable "lid" just above the larynx that prevents food and drink from entering your windpipe. But if the epiglottis becomes swollen — either from infection or from injury — the airway narrows and may become completely blocked.

4)Your stomach lining also secretes hydrochloric acid, which creates the ideal conditions for the protein-digesting enzymes to work. The potent hydrochloric acid kills bacteria, protecting your body from harmful microbes which can enter your body in food.

5)Made up of three segments -- the duodenum, jejunum, and ileum -- the small intestine is a 22-foot long muscular tube that breaks down food using enzymes released by the pancreas and bile from the liver.

Explanation:

please mark me as brainliest thank you

6 0
4 years ago
Why do complementary nucleotides across the double-stranded dna bond together using hydrogen bonds rather than covalent bonds?
Fynjy0 [20]
Hydrogen bonds<span> are much weaker than covalent bond because of its bond is formed through fundamentally electrostatic interactions.

Hydrogen bonds happen due to dipole-dipole attraction while covalent bonds happen when valence electrons are shared.

Reasons why complementary nucleotides across the double-stranded dna bond together using hydrogen bonds rather than covalent bonds are (1) the distance between two strands, (2) size of the bases, (3) geometry of each base.</span>
7 0
3 years ago
Please help , thank you :)
KengaRu [80]
Most likely it's B. The fossil record provides samples of every organism that ever lived.
8 0
4 years ago
Which of the following is a mixture of a gas dissolved in a liquid
kirill [66]
I think your answer is B, sorry if I’m wrong
7 0
3 years ago
Read 2 more answers
Punnett squares are used by geneticists to determine the probability of different offspring genotypes. In the one shown below, w
mamaluj [8]

Answer: aa

Explanation:

    In a Punnett square, the lower right box will use the right letter on the top and the bottom letter along the left. This means we end up with: aa

   See attached for more.

<em>Read more about </em><em>Punnett squares</em><em> here:</em>

<em>brainly.com/question/3665972</em>

3 0
2 years ago
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