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3 years ago

What is the purpose of the plasma membrane?

2 answers:

8 0

The purpose of the plasma membrane is to keep certain things and things out. So the correct answer to this questions is D, encloses specific structures.

nordsb [41]3 years ago

6 0

Answer:

The correct answer would be D. encloses specific structures.

The plasma membrane or the cell membrane acts like the boundary which separates the cell from its surrounding.

It surrounds or encloses the cytoplasm (contains specific organelles or structures) of the cell and thus physically separate the intracellular components from the external or extracellualar environment.

The phospholipid bilayer structure of the membrane provides the semi-permeable nature to it. It controls the movement of substances in and out of the cell.

You might be interested in

What changes in energy occur when the bowling ball strikes the pins?

nydimaria [60]

Answer:

please give me brain list and follow

Explanation:

The bowling ball's energy of motion is about to cause a change. ... The collision with the bowling ball changes that. The ball strikes the pins, and some of the ball's energy of motion transfers to the pins. This makes the pins gain motion energy and leaves the ball with less motion energy.

5 0

2 years ago

When both participants in a species' interaction develop adaptations in direct response to one another, this could progress into

fomenos

Answer:

coevolution

Explanation:

Coevolution refers to the process where two or more species modify each other's evolution via natural selection. Darwin mentioned how insects and flowering plants could coevolve by reciprocal evolutionary modifications. Coevolution has firstly been associated with mutualism between species including, for example, birds and flowering plants. However, coevolution may also involve host-parasite relationships, such as associations involving parasitic organisms and their sexually reproducing hosts. Finally, there are situations where coevolution involves both parasitism and mutualism (i.e., antagonistic coevolution).

4 0

3 years ago

a student pushes a 0.5 kg lab cart with a force of 3 newtons.determine the acceleration in meters per second-squared of the cart

Stella [2.4K]

3.5 cause of the kilometers you have to reduce hope that helps.

5 0

2 years ago

Given the following cross TtYyRr x TtyyRr (T = tall; t = short Y = yellow; y = green R = round; r = wrinkled), what proportion o

mihalych1998 [28]

Answer:

3/32 ttyyR-

Explanation:

Cross: Tall, Yellow, Rounded individuals with a tall, green, rounded individual

Parentals) TtYyRr x TtyyRr

Gametes) TYR, TyR, TYr, Tyr, tYR, tyR, tYr, tyr (Parent one)

TyR, TyR, Tyr, Tyr, tyR, tyR, tyr, tyr (Parent two)

We need to know what proportion of offspring is expected to be short plants with round, green seeds. So we need to identify the gametes for these traits. The genotypes are:

Shot → tt
Round → RR or Rr
Green → yy

⇒ Parent one can provide gametes tyR and tyr

⇒ Parent two can provide gametes tyR and tyr

(1/8 tyR x 2/8 tyR) + (1/8 tyR x 2/8 tyr) + (1/8 tyr x 2/8 tyR) =

2/64 ttyyRR + 2/64 ttyyRr + 2/64 ttyyRr =

1/32 ttyyRR + 2/32 ttyyRr =

3/32 ttyyR-

4 0

3 years ago

Organic substances that are necessary in trace amounts for the normal metabolic functioning of the body are called

masha68 [24]

Vitamin <span>a class of diverse organic substances that occur in many foods in small amounts and are necessary in trace amounts for the normal metabolic functioning of the body</span>

6 0

3 years ago