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
belka [17]
3 years ago
9

Which is a factor that determines whether a molecule can cross a cell membrane?

Biology
2 answers:
stepladder [879]3 years ago
6 0

Answer:molecule

Explanation:m

artcher [175]3 years ago
4 0

Answer:

 if a molecule is too large it cannot pass. also it depends on the concentration of a specific substance inside the cell. similarly, if a molecule is polar it cannot penetrate the phospholipid bilayer. 

there are proteins that work as channels and pumps that allow these molecules to pass

Explanation:

You might be interested in
What do mitochondria and chloroplasts have that golgi apparatus and endoplasmic reticulum lack?
Readme [11.4K]

Answer: Mitochondria and Chloroplast have double membrane(inner and outer) but golgi apparatus and endoplasmic recticulum have single membrane.

Explanation:

Mitochondria is referred to the power house of the cell where energy is produced.

Chloroplast is the organelle found in green plants use for photosynthesis to produce energy. Both chloroplast and mitochondria are found in multicellular organisms and their function is to produce energy. The both have double membrane bound organelles.

Golgi apparatus and endoplasmic reticulum are single membrane bound organelles and they are found in eukaryotic cells. The endoplasmic recticulum transport synthesized protein to vesicles of Golgi apparatus.

3 0
3 years ago
Read 2 more answers
______is the conducting tissue which conducts water ,mineral nutrients from root to leaves​
nata0808 [166]
The answer is xylem

Explanation

Xylem transports and stores water and water-soluble nutrients in vascular plants. Phloem is responsible for transporting sugars, proteins, and other organic molecules in plants. Vascular plants are able to grow higher than other plants due to the rigidity of xylem cells, which support the plant.
8 0
3 years ago
The concept of ""working against resistance"" is a key principle of
sergij07 [2.7K]

The key principle of muscular strength is the concept of "working against resistance. Muscular strength can be defined as the ability to exert force against resistance.

Muscular strength is the maximal force that one skeletal muscle can exert during its contraction.

Muscular strength also refers to the increased ability to move weight and the outcome of that is muscular development.

Resistance training is a type of physical exercise based on muscular contractions aimed at building strength, endurance and size of the skeletal muscles.

Learn more in:

brainly.com/question/12088161?referrer=searchResults

7 0
2 years ago
Depending on the organism, the number of what in a cell may change?
zalisa [80]
The number of ions in a cell
4 0
4 years ago
What characteristic differentiates cardiac muscle cells from skeletal muscle cells?
suter [353]

Answer:

It's fibers

Explanation:

Its fibers are longer than they are wide, and they are striated, like skeletal muscle fibers. But, unlike skeletal muscle fibers, cardiac muscle fibers have distinct ends to them, called intercalated discs.

3 0
4 years ago
Other questions:
  • Which of the following is the best explanation for why carbon easily forms many bonds?
    6·2 answers
  • A lot of desert plants have a waxy coating that protects them from the harsh desert climate, allowing them to retain their moist
    13·1 answer
  • Although the plant can grow nearly 200 feet tall, it has a very shallow root system. This feature best suits it to climates that
    6·1 answer
  • Plant cells use photosynthesis and cellular respiration.
    5·2 answers
  • Define the words please
    15·1 answer
  • what do all cells have in common? A.they all have organelles in membranes, B.they all have a cytoskeleton, C.they are all prokar
    15·2 answers
  • Please help me it's due in an hour.
    13·1 answer
  • EVOLUTION CONNECTION The history of life has been punctuated by several mass extinctions. For example, the impact of a meteorite
    7·1 answer
  • 2. Decomposers, detrivores, and scavengers feed on dead organic
    7·1 answer
  • Acalculous cholecystitis is an acute necroinflammatory disease of the gallbladder with a multifactorial pathogenesis. It account
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!