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
zavuch27 [327]
3 years ago
7

Which component of the plasma membrane contains a hydrophobic region and acts as the primary barrier to most foreign substance

Biology
1 answer:
Ber [7]3 years ago
4 0

the correct answer is option A

Phospholipids structure consists of two parts –

a) Hydrophillic Head

b) Hydrophobic tail  

The phospholipids are arranged in two parallel layers thereby forming by the phospholipid bilayer. It is the part of cell membrane and arranges them in a way that their hydrophilic heads face towards the outwards direction and the hydrophobic tails face each other. The hydrophobic tails opposes the transfer of fluid movement specially the water and the fatty acid head containing negative phosphate group opposes the movement of charged ions. They allow transfer of material  under specific circumstances.

You might be interested in
Which of the following was created to allow for the treatment of infants with birth defects?
fomenos
Where are the choices? What following answers?
7 0
3 years ago
Can birds urinates?​
Crank
Yes they can urinate :)
3 0
3 years ago
Read 2 more answers
a patient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn't healed in a long time. what
julsineya [31]

Answer:

Lack of Vitamin C

Explanation:

lack of Vitamin C would cause all of these to happen

7 0
3 years ago
Read 2 more answers
The cells in the nervous system that fill spaces and give support to neurons are called
Dafna1 [17]
Neuroglial Cells is the answer
7 0
4 years ago
You are the nurse providing prenatal education to a group of pregnant teenagers. One of the group members asks you to talk about
Elina [12.6K]

Answer:

A. The heartbeat can be heard

Explanation:

After the first trimester, during the fourth month, the heartbeat of the fetus becomes loud enough to be heard with the help of a stethoscope placed on the abdomen of the mother.

From fifth to the seventh month of the development, kicks and jabs are felt by the mother as the fetal legs grow and develops. Languo, a wrinkled pink colored skin covers the fetus.

Languo is in turn covered with a white greasy substance called vernix caseosa.

From eighth to ninth months, rotation of the fetus places its head pointing towards the cervix to facilitate childbirth later.

The development of testes takes place in the seventh month while the body hairs become disappeared in the eighth month.

6 0
3 years ago
Read 2 more answers
Other questions:
  • Which mineral weathers faster hornblende and quartz?
    8·1 answer
  • The sea snails in tidal marine areas feed on the dominant species of algae. What kind of interaction takes place between the sea
    6·2 answers
  • Which of the following is a property of epithelial tissue?
    13·1 answer
  • The exchange of carbon dioxide and oxygen in the alveoli of the lungs is an example of what?
    12·2 answers
  • Muscular strength is assessed by measuring what?
    5·1 answer
  • What type of relationship is present between the clown fish and the anemone
    13·1 answer
  • Why are there two copies of each chromosome? Question 5 options: One copy comes from each parent Chromosomes were duplicated in
    8·1 answer
  • Explain the reciprocal relationship between human society and limiting factors.
    7·2 answers
  • Can you use volume alone to predict whether an object will sink or float? Explain.
    6·2 answers
  • NEED HELP ASAP!! PLEASE HELP!!
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!