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Lubov Fominskaja [6]
3 years ago
13

About 74% of earth's surface is covered by

Biology
2 answers:
nika2105 [10]3 years ago
8 0
The sun is close to the surface of earth
sertanlavr [38]3 years ago
3 0
Water! It is the source of all life.
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How does pressure relate to force
stepladder [879]

Answer:

Pressure is simply the force experienced by an object divided by the area of the surface on which the force acts. Note that the force here is the force acting perpendicular to the surface. The unit for pressure is the pascal, Pa.

Explanation:

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A modulator that increases protein function by binding to a protein distant from the binding site is called __________. a modula
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<span>Which phrase includes “being equal to 50”?</span>
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3 years ago
What is the role of the ion channel (in easy words)
ArbitrLikvidat [17]

Answer:

Ion channels are specialized proteins in the plasma membrane that provide a passageway through which charged ions can cross the plasma membrane down their electrochemical gradient.

Explanation:

Ion channels are molecular machines that serve as principal integrating and regulatory devices for controlling cellular excitability. Different types of ion channels have been described: channels that respond to mechanical, electrical (voltage-dependent ion channels), or chemical stimuli (ligand-gated ion channels); ion channels that are controlled by phosphorylation/dephosphorylation mechanisms; and ion channels that are dependent on G proteins. Most ion channels are of the voltage-dependent type and consist mainly of sodium (Na+), potassium (K+), and calcium (Ca2+) channels. Drugs can affect ion channel function directly by binding to the channel protein and altering its function or indirectly through G proteins and other intermediates. Lidocaine is a good example of a drug that directly affects voltage-gated Na+ channels by blocking the channel and thus Na+ entry into the cell.

Thanks! Have a great day!

8 0
2 years ago
What advantages do diatoms obtain from sexual reproduction?a. increased genetic variability.b. increased ability of populations
Reil [10]

Answer:

The correct answer is: option D. all of the above.

Explanation:

In sexual reproduction, two opposite gender gametes are fused together to form a zygote by the process called fertilization which forms the new organism that is genetically unique.

In diatoms, sexual reproduction caused various types of advantages such as higher or enhanced genetic variability as recombination occurs. It also helps the ability to responding to environmental change Increasing the population or species size and other.

Thus, the correct answer is: option D. all of the above.

8 0
3 years ago
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