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
harkovskaia [24]
3 years ago
11

What does it mean to be selectively or semi permeable?

Biology
1 answer:
Mama L [17]3 years ago
8 0
Semi permeable means that some things can go in and out of the cell, but some cannot. Permeable means it allows things to pass through it, so semi permeable means only some things pass through.
You might be interested in
How many bases makes one amino acid?​
Alla [95]
It takes 3 bases to make an amino acid
4 0
3 years ago
Read 2 more answers
Which statement is true regarding cystic fibrosis? It is autosomal-dominant. It affects endocrine glands. It is common in Africa
stepan [7]

Answer:

The correct answer is - It is the most common genetic disease in the United States.

Explanation:

Cystic fibrosis is the genetic disease that affects the several body system and organ such as lungs and digestive system. This hereditary disease is autosomal recessive.

It is not common in ethnic populations such as African Americans and Asian Americans while in white population of US it is a very common genetic disease as it occurs in one individual in every 2500 to 3500 white infants.

Thus, the correct answer is - It is the most common genetic disease in the United States.

4 0
3 years ago
Pill bugs" or "sow bugs", often found under rocks and logs in moist places, have the ability to roll up into a ball when disturb
OleMash [197]
They do not have a distinct head and thorax but a fused version of the two called a cephalothorax. That's one of the major differences between insects and crustaceans, both being subgroups of arthropods. 
8 0
3 years ago
In alcoholic fermentation ___________ A.Carbon dioxide is used (a substrate) B. Pyruvic acid is produced (a product) C. Alcohol
yanalaym [24]

Answer: A.Carbon dioxide is used (a substrate)

5 0
3 years ago
Define nutrition in your own words ?<br>Thank you​
Pavlova-9 [17]

The various kinds of chemical components in food that are essential for an organism to grow and survive are called nutrition.

Explanation:

Mark at branliest

6 0
3 years ago
Other questions:
  • What is the main purpose of scientific models?
    8·2 answers
  • the rank of blood cells in a normal person and one with polycythemia is the same. how can you conclude that the person has polyc
    15·1 answer
  • Both chloroplasts and mitochondria are like in that they both have membranes and their own
    15·1 answer
  • Which of the following is a tentative answer to a question?
    11·1 answer
  • How to differentiate between Reptile fossil and Mammal fossil?
    12·1 answer
  • What should a plant cell vacuoles look like if the plant cells are soaked in salt water?
    14·1 answer
  • Which process will occur when their is not enough available oxygen to perform aerobic respiration?
    7·2 answers
  • What happens when black holes accrete matter too quickly?
    10·2 answers
  • What is the difference between a resource population and consumer population?
    15·1 answer
  • 3.3. recommend four strategies in which your family can assist the environment to prevent and
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!