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
densk [106]
2 years ago
5

How do cells receive the energy they need to function?

Biology
2 answers:
faust18 [17]2 years ago
6 0
Cells, like humans, cannot generate energy without locating a source in their environment. However, whereas humans search for substances like fossil fuels to power their homes and businesses, cells seek their energy in the form of food molecules or sunlight. In fact, the Sun is the ultimate source of energy for almost all cells, because photosynthetic prokaryotes, algae, and plant cells harness solar energy and use it to make the complex organic food molecules that other cells rely on for the energy required to sustain growth, metabolism, and reproduction.

Cellular nutrients come in many forms, including sugars and fats. In order to provide a cell with energy, these molecules have to pass across the cell membrane, which functions as a barrier — but not an impassable one. Like the exterior walls of a house, the plasma membrane is semi-permeable. In much the same way that doors and windows allow necessities to enter the house, various proteins that span the cell membrane permit specific molecules into the cell, although they may require some energy input to accomplish this task 

Gnesinka [82]2 years ago
5 0
Cells receive the energy they need to function by a source of energy, they get this energy by breaking down food molecules to release, the stored chemical energy. When this happens, its called cellular respiration.
You might be interested in
Please help <br> Is it <br> A<br> B<br> C<br> D
artcher [175]

Answer:

A

Explanation:

Somatic cells are diploid (46 chromosomes)

Gamete cells are haploid ( 23 chromosomes)

8 0
3 years ago
Which of the following is not an example of a scientific model?
timama [110]

Answer:

a. data table

Explanation:

5 0
3 years ago
How could you separate bits of iron from sawdust?​
Katarina [22]

Answer:

You could use a magnet to collect the iron, and then wash the sawdust off. Hope this helps :)

7 0
3 years ago
In humans, having wet earwax is a dominant trait. Having dry earwax is recessive.
antiseptic1488 [7]
His phenotype should be wet earwax
5 0
2 years ago
How can different amino acids affect secondary structure
Igoryamba

Answer:

Exposure to positively charged amino acids (arginine and lysine) is found to clearly stabilize the secondary structure. Kinetically, each amino acid promotes folding by generating a large increase in the folding rate with little change in the unfolding rate.

5 0
2 years ago
Other questions:
  • Which statement is most likely to be true of the population at point a
    9·1 answer
  • What are two functions of the thymus gland?
    8·2 answers
  • How does administration of nitroglycerin help someone that might be suffering from a myocardial infarction?
    5·1 answer
  • Abnormal cells crowd out what kind of cells and steal nutrients
    11·1 answer
  • In the past, an irregular heart rhythm was treated by using a drug to help regulate the beat. There is a treatment that can also
    11·2 answers
  • BRAINLIESTTT ASAP!!
    11·1 answer
  • 2. What is a genetic disorder?
    5·1 answer
  • What limits the size of the cell?
    9·1 answer
  • What is the main function of the crispr-cas9 system?
    12·1 answer
  • 1. Cooking oil has a mass of 22.75 g and a volume of 25 mL . What is its density ? Show your work .
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!