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3 years ago

_________ cells produce granules that secrete a lipid-rich product that help make the skin waterproof

Biology

1 answer:

Anestetic [448]3 years ago

4 0

Answer:

keratinocytes

Explanation:

The skin contains various types of cells like melanocytes, keratinocytes and Langerhans cells. The Keratinocytes constitute about 90% of the human skin and are mostly present in the basal skin.

The keratinocytes produce keratin protein which protects the skin and some keratinocytes contain keratohyalin granules which are filled with cysteine-rich and histidine-rich proteins. The keratin and these granules make the skin waterproof.

Thus, keratinocytes are the correct answer.

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A skull with a foramen magnum positioned at the back of the skull belongs to an individual that Group of answer choices is fully

ira [324]

A skull with a foramen magnum positioned at the back of the skull belongs to an individual that is fully bipedal, such as a human.

<h3>What is a Skull?</h3>

This is referred to a skeletal structure composed of bones which houses and protects the brain.

A foramen magnum is at the base of the spinal cord which is where the opening where the spinal cord passes through which is common in bipedal such as man.

Read more about Bipedal here brainly.com/question/4110325

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2 years ago

The sharp, inch-long thorns of the crown-of-thorns sea star are its spines. These spines, unlike those of most other sea stars,

vitfil [10]

Answer:

The answer is A) derived from the nematocysts of its prey.

Explanation:

Sea stars mostly eat cnidarians (mollusks) which can contain a large number of nematocysts in their bodies. Therefore it would be possible that this toxin is absorbed from the prey.

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3 years ago

What types of materials require a vesicle for export or a food vacuole for import?

Korvikt [17]

Macromolecules or large particles are carried across the cell membrane via vesicles or other intracellular structures. Pinocytosis and efflux are the two types of vesicle transport.

<h3>How does a vesicle leave the cell with its cargo?</h3>

Exocytosis is the process by which cells move components from within the cell to the extracellular fluid. Exocytosis occurs when a vesicle's plasma membrane fuses with it, expelling its contents outside the cell.

The Golgi, also known as the Golgi complex, is a flattening, layered organelle that looks like a stack of pancakes. The Golgi body modifies and packages proteins and carbohydrates into lattice vesicles for "exportation" from the cell.

learn more about vesicle transport. refer

brainly.com/question/4919705

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6 0

1 year ago

Which of the following was the KEYSTONE SPECIES of the food web?

sammy [17]

Answer:

Explanation:

well i guess it also depends on what environment you are talking about too

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3 years ago

Part F

Wittaler [7]

Answer:

The activity factor was modified. Ambulating indicates that the person is active. Even small activities require energy. So, people who can walk around and aren’t bedridden expend more calories than people who need to be on bedrest all day. Also, when the stress factor was changed to severe infection, the caloric requirement increased. This increase is probably because the immune system requires more energy to fight off the infection

hope this helps

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3 years ago