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
s2008m [1.1K]
3 years ago
12

Which class of molecules can directly cross the cell membrane without the aid of transport proteins? Choose one: A. Ions B. Suga

rs C. Uncharged gasses D. Amino acids
Biology
1 answer:
yulyashka [42]3 years ago
6 0
Oxygen is a small molecule and it's nonpolar, so it easily passes through a cell membrane. Carbon dioxide, the byproduct of cell respiration, is small enough to readily diffuse out of a cell. Small uncharged lipid molecules can pass through the lipid innards of the membrane.
You might be interested in
What is the boundary where two plates meet and trenches are formed?
Mariana [72]
This is a convergent boundary
7 0
4 years ago
12 The human muscular system can suffer injury or disease. Which of the following
adoni [48]
It’s either a or b because c and d are done when you hurt yourself accedentally and plz mark me brainliest
5 0
3 years ago
What is the sample size formula
Vika [28.1K]
The Sample Size formula, also known as the Cochran Formula, allows for calculation of an ideal sample size. Below, I have inserted a picture of the formula, where it’s variables are as follows,
N=population size
E= margin of error
Z=z-score

5 0
3 years ago
Cuantos ATP produce en respiración aerobia cada NADH y cada FADH
Katena32 [7]

Answer:

Por cada par de electrones transportados a la cadena de transporte de electrones por una molécula de NADH, se generan entre 2 y 3 ATP. Por cada par de electrones transferidos por FADH2, se generan entre 1 y 2 ATP

Explanation:

8 0
3 years ago
A client undergoing a skin test has been intradermally injected with a disease-specific antigen on the inner forearm. The client
yarga [219]

Answer:

Yes, there is a need to assure the client that this is a normal reaction.

Explanation:

In the given case, it is the duty of a nurse to assure the patient that swelling takes place while performing intradermal vaccination. As with the administration of disease-specific antigens, the injected area inflames that generally takes place due to the development of antibodies against the presented antigens.  

Thus, both the patient and the nurse need to be calm in such a situation and should leave the swelling open so that it can get heal by itself. In case, if one applies ice packs or rubs the affected area, it can enhance the condition and may result in more issues.  

8 0
3 years ago
Other questions:
  • Job satisfaction factors, called _____________, are related to what people do at work.
    14·1 answer
  • Which of these nutrients can you get from eating whole fruit that is not usually found in juice?
    11·1 answer
  • Which of the following best describes a carbohydrate?
    5·2 answers
  • About how much of ocean water is dissolved salts? A. 0.04% B. 0.4% C. 4% D. 40%
    14·1 answer
  • Describe the structure and function of transfer RNA (tRNA).
    13·1 answer
  • Flicker-fusion is the ability to distinguish many seperate flashes of light simultaneously. How do most flying insects compare t
    12·1 answer
  • If a tall stem is a dominant characteristic, how many tall alleles must be present for an offspring to express a tall trait?
    5·1 answer
  • PLEASE HELP, ANSWER ONLY IF YOU KNOW THE ANSWER, WILL MARK BRAINLEST.
    13·1 answer
  • A small plant that will never grow up to be a big plant
    10·1 answer
  • Check all statements below that are true
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!