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3241004551 [841]
3 years ago
8

The complete stopping of heart activity is called:

Biology
1 answer:
nasty-shy [4]3 years ago
3 0
Either fibrillation or Cardiac Arrest
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the diagram below represents a type of immune response that can lead to acquired immune response is an example of: a)passive imm
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the answer is C non-specific immunity

Explanation:

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The normal shape of an enzyme is as shown in structure A. If the enzyme's shape changes to that shown in structure B, what are t
Varvara68 [4.7K]

Answer:

There is no image showing the shape of an enzyme, however, the question can still be answered based on basic understanding. The answers are;

- Less binding of substrate

- won't follow the lock-and-key pattern of enzyme binding

Explanation:

An enzyme is a biological catalyst that regulates the rate of chemical reactions in living systems. Enzymes are proteinous in nature and every protein is made up of an amino acid sequence. The amino acid sequence forms a three-dimensional shape that determines the functionality of the enzyme.

Enzymes catalyze reactions by binding to their substrates in a lock and key pattern. This makes enzymes substrate-specific. If the enzyme's normal shape changes, the following will occur:

- Less binding of substrate

- won't follow the lock-and-key pattern of enzyme binding.

8 0
3 years ago
What prevents the blood in veins from flowing in the wrong direction?.
torisob [31]

Answer:

The heart valves

Explanation:

The heart valves prevent blood from flowing in the wrong direction in the heart. The valves are held in the proper place because of the chordae tendinae.

7 0
2 years ago
During the stage of a plant's life cycle where it is a haploid structure, the body of the plant is correctly referred to as a(n)
olganol [36]

Answer:

The haploid structure of the plant, during a stage in plant's life cycle, is known as the <u>gametophyte.</u>

Explanation:

The life cycle of plants includes a haploid generation and a diploid generation. Both the structures are multicellular.

The diploid structure of a plant is known as sporophyte. This structure produces spores via meiotic division.

Whereas, the haploid structure of the plant, known as the gametophyte, is formed from spore and produces haploid gametes.

6 0
3 years ago
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