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
Lana71 [14]
3 years ago
13

what types of molecules need more help to get through the cell membrane? What helps them get through?

Biology
1 answer:
Slav-nsk [51]3 years ago
7 0
Nonpolar and small polar molecules<span> can pass </span>through the cell membrane<span>, so they diffuse </span>across<span> it in response to concentration gradients. Carbon dioxide and oxygen are two </span>molecules<span> that undergo this simple diffusion </span>through<span> the </span>membrane<span>. The simple diffusion of water is known as osmosis.</span>
You might be interested in
What kind of stimulus travels from the motor neuron to skeletal muscle?
lesya [120]
<span>There are two types of stimulus that travel within our body. The two types are chemical and electrical. Electrical stimulus is the type of stimulus that travels from the motor neuron to the skeletal muscle. Electrical muscle stimulation is the elicitation of muscle contraction using electric impulses.</span>
3 0
3 years ago
What type of energy is coming into the food web?
Rufina [12.5K]

Answer:

The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants. A small proportion of this chemical energy is transformed directly into heat when compounds are broken down during resp​iration in plants.

Explanation:

study hard

8 0
3 years ago
Choose the system to which this item belongs: adrenal
expeople1 [14]
It would be the endocrine system
7 0
4 years ago
Suppose that a leaf disk that has had the air sucked out is placed in bicarbonate solution under a dim light that results in a l
saul85 [17]

The answer is; NO


This is because the leaf would not have tiny oxygen bubbles spread across its base (because the base is where most stomata are) that would help it float on the water. The reason is that the oxygen produced in the process of photosynthesis would be consumed in respiration because the rates of the two biochemical processes are the same.


8 0
3 years ago
Fill in the blank.
Inessa [10]
The answer tot his question is:

<span>Fill in the blank. 
</span>A scientific ___________ is a proposed explanation that can be tested."<span>Scientific Theory."

Hoped This helped, </span><span> Jaylamariejohsov5zsb
Your Welcome:) </span>
8 0
4 years ago
Read 2 more answers
Other questions:
  • Bryophytes are known as non-vascular plants. What makes them non-vascular?
    6·1 answer
  • The arrow in the diagram represents the movement of which molecular structure?<br> HELLLLLPPPPPP
    11·1 answer
  • Agile methods in science engineering take which of the following approaches towards creating solutions?
    13·2 answers
  • Unicellular organisms would most likely have _____.
    8·1 answer
  • And comparing a desert to on Mars which statement is not true
    13·1 answer
  • Examples of patterns in nature​
    12·2 answers
  • Which of the following best explains what happens during metaphase?
    6·2 answers
  • Proteins are linear chains of amino acids that are specified by codons found on DNA. How many nucleotide bases form one codon?
    15·1 answer
  • Whos got favebook and can do me a favor?
    8·1 answer
  • What cell type is the last stage of erythrocyte production prior to development of a mature erythrocyte
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!