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Maslowich
2 years ago
13

What does it mean for the cell membrane to have a phospholipid bilayer?

Biology
1 answer:
BabaBlast [244]2 years ago
6 0

Phospholipid bilayers are critical components of cell membranes. The lipid bilayer acts as a barrier to the passage of molecules and ions into and out of the cell. However, an important function of the cell membrane is to allow selective passage of certain substances into and out of cells.

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Which of the following is a key characteristic of metaphase?
Illusion [34]

Answer:

The chromosomes move to a narrow central zone of the cell

Explanation:

Prophase: nuclear and cell membrane start to disappear

Metaphase: The chromosomes line up in the equator

Anaphase: Spindle fibres pull the chromosomes towards the poles

Telophase: Nuclear and cell membrane start to form

I hope it useful

6 0
2 years ago
Hi i need help thank you
PSYCHO15rus [73]
Organisms that use the same resources because there may not be enough for all, so it then becomes a competition of who gets it and who doesn't.
5 0
2 years ago
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When comparing the dermis with the subcutaneous tissue, the dermis and the subcutaneous layer do not contain collagen. contains
bazaltina [42]

The hypodermis (subcutaneous tissue) is the innermost layer of skin in your body. The dermis is the middle layer. The epidermis is the outermost layer.

<h3>What does the subcutaneous layer consist of?</h3>

Subcutaneous tissue is the deepest layer of your skin. It's made up mostly of fat cells and connective tissue. The majority of your body fat is stored here. The subcutaneous layer acts as a layer of insulation to protect your internal organs and muscles from shock and changes in temperature.

<h3>What is not found in dermis?</h3>

The answer is C fat cells. So the dermis is between the epidermis and the subcutaneous tissues.

Learn more about epidermis here:

<h3>brainly.com/question/893214</h3><h3 /><h3>#SPJ4</h3>
5 0
2 years ago
Easy question. Will give brainliest
Law Incorporation [45]

Answer:

The commensal relationship between the sharks and remoras can be described as although remoras consume parasites, sharks with remoras show no better health or growth than sharks without remoras.

Explanation:

A commensal relationship refers to a relationship where two or more organisms in a habitat neither benefit or harm each other.

  • The second option infers that the remoras harm the sharks. This is a parasitic relationship.
  • The third option infers that the sharks are harmed by the remoras because the sharks depend on something that the remoras are limiting. This is also a parasitic relationship.
  • The fourth option infers a commensal relationship, but falsely describes it. The relationship described by this option is a parasitic relationship (one benefits, the other does not).

Therefore, the answer is the first option: Although remoras consume parasites, sharks with remoras show no better health or growth than sharks without remoras.

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2 years ago
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________ form when a source of energy causes a medium to vibrate
scoundrel [369]
<span>Mechanical waves....</span>
3 0
3 years ago
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