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2 years ago

3. Rotifers are found on every continent except for which one?

Biology

1 answer:

marissa [1.9K]2 years ago

5 0

Answer:

Antarctica

Explanation:

Rotifers are multicellular organisms of various shapes. Their length is from 0.1 to 0.5 mm. The process of feeding in rotators is very interesting due to the presence of the so-called "hunting apparatus".

The device consists of cilia, by the movement of which the rotators create a stream of water and thus attract the microorganisms they feed on.

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Which class of enzymes catalyzes reactions involving the formation of double bonds?

vodka [1.7K]

Lyases

Lyases are class of enzymes that catalyzes reactions involving the formation of double bonds.

Lyases are class of enzymes that catalyzes the joining of C-C ( carbon to carbon), C-O (carbon to oxygen), and C-N (carbon to nitrogen) bonds by hydrolysis or oxidation. These bonds are usually held by the process of elimination which leads to the formation of new double bonds or cyclical molecules. Examples of lyases include; aldolase and adenylate cyclase.

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2 years ago

In most people which side of the brain is most involved in visual spatial activities?

Elden [556K]

I think its the left one (sorry if im wrong)

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3 years ago

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Which definition is the best for “semipermeable membrane”? It is a barrier that prevents materials from moving from one side to

WINSTONCH [101]

A semipermeable membrane is a membrane that allows certain substances to pass through it. The most accurate definition is the third choice, "It is a barrier with tiny openings that let some, but not all, materials pass through." hope this helps:)

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2 years ago

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Animal cell map to understand how cells function as the fundamental unit of life, you must first become familiar with the indivi

kodGreya [7K]

Answer:

a-synthesizes lipids

b-assembles ribosomes

c-defines cell shape

d-produces secretory proteins

e-modifies and sorts proteins

f-digests proteins

g-generates ATP

Explanation;

Some organelles and structures that make up the cell include; mitochondria, ribososmes, cell membrane, endoplasmic reticulum, golgi apparatus, lysosomes, among others,

-These organelles play individual roles in the cell; For instance;

Mitochondria-generates ATP

Lysosomes; digests proteins and worn out organelles

Golgi apparatus; modifies and sorts proteins

Ribosomes; Produces proteins

Endoplasmic reticulum; sythesis of lipids

Cytoskeleton; it gives the cell its shape

Nucleolus; manufactures and assembles ribosomes

etc.

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2 years ago

Which type of glandular cells in the stomach secrete hydrogen and chloride that form hydrochloric acid?

Simora [160]

The correct option is D.
Parietal cells are the epithelial cells which secrete hydrochloric acid and intrinsic factors. The cells are located in the gastric glands which are found in the linings of the walls of the stomach. The hydrochloric acid produced by the parietal cells helps in the conversion of the enzyme pepsinogen to pepsin during the digestion process.

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3 years ago