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s2008m [1.1K]
3 years ago
6

4. Oxygen molecules move across cell membranes through a process called

Biology
1 answer:
Ivanshal [37]3 years ago
8 0

Answer:

Diffusion

Explanation:

Oxygen molecules can travel through the phospholipid bilayer using diffusion. Diffusion is when molecules travel from a higher concentration to a lower concentration.

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Which of the following reduces water pollution?
posledela

Answer:

"Creating more paved surfaces"

Option C will be the answer

3 0
3 years ago
What is decreased when lactase is added to milk?
irinina [24]
The answer is A.
Lactose is known as milk sugars.
Therefore giving you your answer- sugars add sweetness.
3 0
3 years ago
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In the context of protein digestion, protein breakdown into its amino acid constituents is completed by?
Artemon [7]

In the context of protein digestion, protein breakdown into its amino acid constituents is completed by <u>proteases </u><u>produced in the small intestine</u>

<u />

  • Protein-degrading enzymes are referred to as proteases. These enzymes are produced by bacteria, fungus, plants, and mammals.
  • Proteins in the body or on the skin are broken down by proteolytic enzymes.
  • This may aid in digestion or the breakdown of proteins that contribute to inflammation and pain.
  • The small intestine, pancreas, and stomach all manufacture protease.
  • The stomach and small intestine are where the majority of chemical reactions take place.
  • Pepsin is the primary digestive enzyme that targets proteins in the stomach.
  • Proteases are released by the pancreas into the proximal small intestine, where they combine with proteins that have already been altered by gastric secretions and break them down into amino acids, which are then absorbed and utilized by the body as necessary.

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5 0
1 year ago
In a sample of 2,400 people, 1,482 were found to have the dominant (taster) phenotype. Assuming that the population is in Hardy-
Alex_Xolod [135]

Answer:

1128.

Explanation:

The dominant taster phenotype is 1482.

The recessive taster phenotype = 2400 – 1482 = 918 .

Recessive phenotypes = 2400 – 1482 = 918

The recessive phenotype frequency = q² = 918 / 2400 = 0.38.

the recessive allele frequency q = √0.38 = 0.62.

The dominant allele frequency, p = 1-q = 1- 0.62 = 0.38

The heterozygous frequency =  2pq = 2 ×0.38 × 0.62 = 0.47 .

The heterozygous individual in the population = 0.47 × 2400 = 1128.

Thus, the answer is 1128.

5 0
3 years ago
Where are enzymes found in the digestive system
PIT_PIT [208]
It is found in proteins.
7 0
3 years ago
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