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
pickupchik [31]
2 years ago
9

What is a Cell membranes

Biology
1 answer:
posledela2 years ago
4 0

Answer:

cell membrane is the outer boundary present around the cells functions to protect the inner cellular material from outer invaders and maintain the shape of cell

Explanation:

Cell membrane is the outer most boundary made up of lipids and proteins.

Mainly the membrane is composed of lipid bilayer in which protein chains are embedded

You might be interested in
What is the purpose of the biogeochemical cycles?
Aleksandr [31]
-to recycle matter through the biosphere

The biogeochemical cycles move through mainly the biotic and abiotic components of the earth<span>, more elaborately the spheres -biospheres, lithosphere, hydrosphere and atmosphere regions of the ecosystem. These biogeochemical cycles, from its terminology and discernable word morphology- involves the biological, geological and chemical components that make out to complete an exact and purposed cycle. The purpose in these cycles are to maintain balance and to ensure the ongoing process of the living and non-living organisms in the environment. These cycles’ help to living organisms survive and thrive. One popular example is the water cycle. </span>
8 0
2 years ago
Read 2 more answers
Energy expended from fidgeting is called __________. energy expended from fidgeting is called __________. non-exercise activity
9966 [12]
The answer is the non-exercise activity thermogenesis. Energy expended from fidgeting is called the non exercise activity thermogenesis (neat). Basal metabolic rate is the energy expended to support metabolism. Thermic effect of food (tef) is the energy expended for the digestion, absorption, and metabolism of nutrients. 
3 0
3 years ago
True/False
andrezito [222]

Answer:

This is true

These are the 3 factors:

  • Planet's Distance To Sun
  • Planet's Reflectivity
  • Planets Surface (Through Greenhouse Effect)

The thickness of the atmosphere, seems to be part of it, and I belive that is true, as it plays a role in temperature, determening wether if it can help with how warm or cold a planet is.

A planet's distance from the sun definitly plays a role, becuase depending on how far or close a planet is to the sun, the warmer it can be.

Planet's Surface goes through the process of greenhouse effect, causing a(n) planet to be able to get hotter

8 0
3 years ago
Which first-line defense system uses acids to kill pathogens?
Helen [10]
I think it’s respiratory but I’m not sure
8 0
3 years ago
Read 2 more answers
An ecologist is studying a desert ecosystem like the one modeled in the energy pyramid. Which of the limiting factors would affe
kenny6666 [7]

Answer:

I think A. The number of cacti, flowering shrubs, and desert trees that could grow during an extended dry period.

Explanation:

6 0
2 years ago
Other questions:
  • Why do you think the colonists considered themsekves british subjects rather than americans?
    11·1 answer
  • Doug plants a few peas. After two days, he sees the shoot and the root forming. He observes that the shoot grows upward, toward
    15·2 answers
  • Mycobacteria species contain peptidoglycan in their cell envelope. B.For those Archaeal types that possess a cell wall, it is co
    6·1 answer
  • Which factor is most responsible for the lack of plants in polar regions?
    6·1 answer
  • The rock cycle is not important to living organisms. T or F
    12·2 answers
  • Cerebrospinal fluid circulates within the ventricles of the brain and in the subarachnoid space is called
    7·1 answer
  • I need help with this question
    7·1 answer
  • Calico cats are almost always female because the gene for coat color is
    15·1 answer
  • From the stomach, food next moves into the ____, which has functions of digestion and absorption
    8·2 answers
  • लख। b. Write any two differences between local and standard units of measurement. (स्थानीय र प्रमाणिक नाप उकाई बिच २ ओटा भिन्नता
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!