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
shutvik [7]
3 years ago
6

In the human body, oxygen is absorbed by the lungs and nutrients are absorbed by the small intestine. In a single-celled organis

m, this absorption directly involves the 1. nucleus 2. chloroplasts 3. cell membrane 4. chromosomes
Biology
2 answers:
Darina [25.2K]3 years ago
6 0
3.) the cell membrane.
Anni [7]3 years ago
4 0
It's a Cell membrane.
You might be interested in
How are symbiotic bacteria on the roots of some plants called legumes and the nitrogen cycle related?
GalinKa [24]

Answer:

The bacteria found on roots, mainly on legumes, are related to the nitrogen cycle because nitrogen found in the environment is not usable by many species but because the bacteria can "fix" the nitrogen, it is usable by the plant which in turn it returned into the environment.

Explanation:

3 0
3 years ago
Radiation can cause breaks in human chromosomes. However, insects can survive much higher lecels of exposure. Why?
galben [10]

Explanation:

The influence from radioactivity is inversely proportional to the number of chromosomes , since , humans have more DNA , chromosomes than the insects , and  therefore , due to less chromosomes in insects , they are more resistant towards radioactivity .

As the target of the radiation is the DNA .

Hence , It is clear that insect due to lesser DNA are less prone to Radiations .

4 0
3 years ago
It cannot be expressed but
LiRa [457]

Answer:

can you expressed your feeling

Explanation:

7 0
3 years ago
The phosphorylation of fructose 6-phosphate to fructose-1,6-bisphosphate is the committed step in glycolysis because.
kati45 [8]

The phosphorylation of fructose 6-phosphate to fructose-1,6-bisphosphate is the committed step in glycolysis because<u> fructose 1,6-bisphosphate can undergo no other reactions than those of glycolysis.</u>

<h3>What is phosphorylation?</h3>
  • The crucial process of glycolysis involves the breakdown of glucose into two molecules of pyruvate. It involves a number of steps and many enzymes.
  • It takes place over the course of ten phases, demonstrating how important and crucial phosphorylation is to the production of the final goods. Step 1 of the preliminary step (first half of glycolysis) and step 6 of the payout phase reactions are started by phosphorylation (second phase of glycolysis).
  • Because fructose-6-phosphate cannot cross the cell membrane, it is forced to remain inside the cell. Step 3 involves phosphorylation, when fructose-6-phosphate is changed into fructose-1,6-bisphosphate.

To learn more about phosphorylation with the given link

brainly.com/question/15585148

#SPJ4

5 0
2 years ago
If an organism feeds on a plant containing 3500 joules of energy,how much energy will the consumer be able to obtain? A.0.35 Jou
pishuonlain [190]
D- 350 J

Explanation:
The consumer only gets about 10% of their foods energy
6 0
2 years ago
Other questions:
  • 4. What must be true about an index fossil whose absolute age is used as a reference for other fossils?
    10·2 answers
  • What percentage of the offspring in each scenario would have sickle-cell disease? what percentage would have sickle-cell trait?
    11·1 answer
  • Which of the following statements is true about the alpine biome, but not the taiga?
    15·2 answers
  • How does doppler effect related to expanding universe
    7·2 answers
  • What is an ecological system consisting of all of its biotic and abiotic factors?
    12·1 answer
  • How has the natural environment in your area been affected by the human environment? ​
    5·1 answer
  • The size of your brain continues to grow your entire life. <br> A. true <br> B. false
    15·2 answers
  • Which of these is transported by the xylem?
    13·1 answer
  • What other factors might limit human population growth?
    9·1 answer
  • I need some help pls<br> 1what is the function of an enzyme<br><br><br> 2 how are proteins made
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!