1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
natima [27]
3 years ago
9

Which statement about the cell membrane is true?

Biology
2 answers:
Elina [12.6K]3 years ago
6 0

Answer: The correct answer is -

It prevents harmful substances from entering a cell.

Explanation:

Cell membrane is a selectively permeable, protective layer that is present surrounding the cytoplasm of all cells of living organisms. It allows the entry and exit of only certain substances

It does not allow the harmful substances to enter inside the cell and at the same time, the useful substances to exit the cell. Due to this, it is also known as selectively permeable membrane.

Thus, last option is the right answer.

Ahat [919]3 years ago
5 0
Your answer would be the third choice, C.
You might be interested in
Which of the following is the best description of adaptation?
MakcuM [25]
Number 1:4
number 2: 3
number 3: 1
7 0
3 years ago
Read 2 more answers
*URGENT*protons are located A)in orbit around the nucleus B) in the nucleus with electrons C) in the nucleus with neutrons D) bo
grin007 [14]
Protons are located C) in the nucleus with neutrons. Hope this helps!
8 0
3 years ago
Read 2 more answers
The plants failure to bend toward the light is an example of the plants inability to ____
Jobisdone [24]

Answer:

The correct answer is "phototropism".

Explanation:

The biological behavior of plants to bend towards the light is called phototropism. If plants failure to perform this behavior is an example of the plants inability to perform phototropism. The molecules that regulate phototropism are the auxins, which bring flexibility to the plant cell's wall and make plants growth towards the light by moving to the darker side of the plant.

7 0
3 years ago
The substance that are present before any chemical reaction are called
wariber [46]
Reactants. Reactants are the substances that are needed for a chemical reaction to occur. Without reactants there are no products.
8 0
2 years ago
Read 2 more answers
Read the overview and complete the interactivities that follow. The lac operon consists of a series of genes involved in the bre
Ber [7]

Answer:

1 True 2 false 3 false 4 true  5  true

Explanation:

1 The Lac I gene makes repressor protein  True

2 The structural genes encoded by lac operon are involved in lactose synthesis  false

3 The CAP protein is an activator protein that binds to the operator false

4 The product of Lac I is an allosteric protein that can undergo conformational change when allolactose binds to it  True

5 CAP binding causes DNA to bend facilitating RNA polymerase binding True

4 0
3 years ago
Other questions:
  • Groundwater is in danger partially due to
    5·1 answer
  • Think of an animal that eats other animals.Why would soil be important to this animal
    14·1 answer
  • PLEASE HELP!!!!
    7·2 answers
  • What are the 2 reasons why cells undergo the process of MITOSIS?
    15·1 answer
  • What methods are used to gentetically modify organisms?
    6·1 answer
  • What happens to species diversity WITHOUT Pisaster? *
    5·1 answer
  • Precipitation is the result when the tiny condensation particles
    9·1 answer
  • Who is second most closely related to the dog
    7·1 answer
  • synapse that increases in effectiveness because of simultaneous activity in the presynaptic and postsynaptic neurons.
    7·1 answer
  • Although they are different species, woodpeckers and squirrels both live in holes in trees. what resource are these species comp
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!