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Novosadov [1.4K]
3 years ago
5

Which is true about molecules entering a cell?

Biology
1 answer:
kompoz [17]3 years ago
6 0

Answer:

molecule enter a cekk by passing through the cell membrane

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While walking in the forest, your friend observed a small animal crawling on a tree. The animal had a rigid body with three body
Neporo4naja [7]

Answer:

The most likely preferable option will be - A.

A. Insects.

Explanation:

The basic features of insects -

  1. Insects have an exoskeleton outside of their body or a shell-like covering on the outside of its body.
  2. Insects have a body with three segments: head, thorax, and abdomen.
  3. Insects have two large eyes and a pair of antennae on top of their heads.
  4. Insects have six legs (3 pairs).
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7 0
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5. The permease (transporter) allows glucose and Na into the cell requires ATP. True or False?
dem82 [27]

Answer: 5. False 6. False

Explanation: The permeases are membrane transport proteins, they're secondary active transporter that allow the movement of a specific molecule in or out of the cell in the direction of a concentration gradient, it is a form of facilitated diffusion and does not require energy. The permease secondary transporter uses the Na ion concentration to move glucose into the cell.

When the ion concentration gradient is set, the concentration of glucose in the cell is higher than the concentration of blood. Glucose will move to the blood by passive diffusion through permease secondary transporter.

The transport mechanism is carrier mediated it does not require energy.

7 0
3 years ago
What is the difference between leukopenia and leukocytosis?
Oksanka [162]
<span>Leukocytosis is an increase in the number of white blood cells whereas Leukopenia is an abnormal reduction of white blood cells, giving rise to a significant immune-suppression.</span>
6 0
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What happens as waves travel and objects in their path move?
Elena-2011 [213]

Answer:

I think answer is

-the waves transfer energy

7 0
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_______ a complex of DNA and Protein housed in the nucleus of the cell.
murzikaleks [220]

Answer:

chromatin

Explanation:

5 0
3 years ago
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