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kolezko [41]
4 years ago
12

The role of active cytotoxic T cells is to attack _____. a. body cells that have been infected b. extracellular viruses and bact

eria circulating c. antibodies circulating proteins d. complement proteins
Biology
1 answer:
konstantin123 [22]4 years ago
5 0

Explanation:

The role of active cytotoxic T cells is to attack <u> </u><u>body cells that have been infected</u>

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Prokaryotic organisms are not found in which Domain?
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Answer:

(c). Eukarya.

Explanation:

Prokaryotes are primitive, single-celled organisms that lacj complex membrane-bound cell organelles, such as nucleus, mitochondria, and endoplasmic reticulum.

Prokaryotes are grouped into two domains, including Archaea and Eubarteria. Archaea includes prokayotes that can live in extreme conditions are known as extremophiles, while domain Eubacteria includes all true bacteria.  

Prokaryotes do belong to domain Eukarya as Eukarya includes all eukaryotic organisms.

Thus, the correct answer is option (C).

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What is a reason for peer review?
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The plasma membrane is composed of a phospholipid bilayer with embedded proteins. What is one of the functions of the embedded p
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Scientists find evidence that the genes involved in tooth development exist in chickens, even though chickens do not normally de
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When an enzyme doesn't work properly it is said to be __________________. Three things that can cause this are _______________,
nignag [31]

Answer:

Explanation:

When enzyme does not work properly it is said to be inactive and this affect its efficiency.

Substrate concentration - Enzyme requires adequate substrate concentration to be effective, when the concentration is high the enzyme activity increases and when it is low it decreases.

Temperature - Enzymes are more active at specific temperature at very high temperature enzyme can be denatured leading to a loss of its activity. Hence, enzyme should be made to work at its optimum.

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