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
Tanya [424]
3 years ago
10

Paramecium are single cell eukaryotes that live in fresh (pure) water. They have a vacuole that contracts to expel excess water

that enters the cytoplasm. Eukaryotes that live in salt water do not need these vacuoles because *
1. there is more solute inside their cytoplasm than outside it
2. there is the same amount of solute outside their cytoplasm as in it
3. salt will not enter their cytoplasm
4. water can't cross their cell membrane
Biology
1 answer:
zysi [14]3 years ago
4 0

Answer: C >-< sorry if its wrong im like 65% sure

Explanation: im think its C due to the fact that salt water nor any kind of water goes into cytoplasm.

You might be interested in
which macromolecule has a basic unit that is composed of phosphate,a sugar ring,and one of five different bases?
Mashutka [201]
This is the nucleic acids (RNA and DNA)
3 0
3 years ago
Read 2 more answers
David brought home a leaf cutting from a plant. He potted the cutting, and it grew into a full plant. What can you conclude abou
Arlecino [84]
Uh...that it will have the same genetic makeup as the plant it came from? or that it's asexual? dont really know what u need here.
3 0
3 years ago
Read 2 more answers
Cellular cytoplasm is primarily composed of what substance
marishachu [46]
Cytosol   i think hope this helped 
6 0
3 years ago
Things in an experiment that may influence your data​
kobusy [5.1K]

Answer:

1. Equipment

2. The Person

3. Method

4. Objects

5.  The environment

8 0
3 years ago
Which of the following statements best describes the function of a
Amiraneli [1.4K]

Answer:

C. The inhibitor binds to the enzyme's active site, because its shape is similar to that of the substrate.

Explanation:

An enzyme can be defined as a biological catalyst that typically lowers the activation energy of a biological reaction. When the activation energy of a reaction is low, the rate of the reaction would be faster. Therefore, an enzyme speeds or catalyzes the rate of a reaction by lowering its activation energy. Also, if the conditions are not optimal for an enzyme, it limits the ability of an enzyme to bind or be joined with its substrates.

Generally, enzymes function best at a specific pH and temperature level. An increase in temperature increases or speeds up the rate of a reaction while low temperature limits or reduces the rate of a reaction. The optimal temperature for enzymes in the human body is around 37 degrees celsius.

An allosteric effector can be defined as an agent, organ or molecule that is being binded to an enzyme at a site, thereby causing a reduction (negative effect) or an increase (positive effect) in an enzyme activity.

An inhibitor is any substance that slows down or stops a biological process or chemical reaction.

Hence, the statement which best describes the function of a competitive inhibitor in an enzyme-catalyzed reaction is that the inhibitor binds to the enzyme's active site, because its shape is similar to that of the substrate and consequently, slowing down or stopping the process.

6 0
3 years ago
Other questions:
  • What is the name given to cell division in eukaryotes?
    10·1 answer
  • The two main subdivisions of the peripheral nervous system (pns) are the _____ nervous system and the _____ nervous system.
    8·1 answer
  • Why is it impossible to understand the totality of the interactions among the organisms in the biosphere?
    14·1 answer
  • Very aggressive pathogens such as the bacterium responsible for tuberculosis can easily overwhelm the protective features of the
    11·2 answers
  • Which of these BEST describes the structural difference between the DNA of bacteria and the DNA of humans?
    12·2 answers
  • What is a biofilm and what role does biofilm play in disease?
    10·1 answer
  • Why is it difficult for people to preserve nature by giving up the practice of fracking?
    14·2 answers
  • The cancer cells are protected from​
    13·2 answers
  • Nitrous oxide (N20) is a gas sometimes used in dental offices. Which of these is the correct
    9·1 answer
  • For any photosynthetic producer, different factors can limit growth. Which are the main factors limiting the growth of...
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!