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
leva [86]
3 years ago
11

What is active transport?

Biology
1 answer:
Zielflug [23.3K]3 years ago
8 0

Answer:

the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.

Explanation:

You might be interested in
Advantages/disadvantages involved in methods of reproduction of a jelly fish
Scrat [10]
Advantages <span>sexually by releasing sperm and eggs into the water, forming a planula the bad part is its babys can get eaten and hurt easily </span>
7 0
3 years ago
Is anyone an expert about Millipedes? if you are please comment me below
NNADVOKAT [17]

Answer:

What do you need to know

Explanation:

8 0
3 years ago
Question 1 (2 points)
solniwko [45]

Answer:

DNA

Explanation:

RNA is not a double helix

Uracil is on the RNA, this is a picture or DNA. Uracil is just one of the nucleic bases

This is not a monomer; it's actually a polymer

It is DNA because it is a double helix structure held together by the four nucleic bases.

7 0
3 years ago
Describe how a plant takes in carbon dioxide from the air and mineral ions from the soil​
Anna35 [415]

Answer:

Plants take up essential elements from the soil through their roots and from the air (mainly consisting of nitrogen and oxygen) through their leaves. Nutrient uptake in the soil is achieved by cation exchange, wherein root hairs pump hydrogen ions (H+) into the soil through proton pumps.

4 0
2 years ago
The concentration of calcium inside a cell is 0.3%. the concentration of calcium outside the cell is 0.1%. how could the cell tr
Snezhnost [94]
Bone density less calcium
8 0
3 years ago
Other questions:
  • What makes coal nonrenewable resource
    7·2 answers
  • The four major divisions on the geologic scale
    10·1 answer
  • The pressure that must be exerted onto a solution in order to prevent water from diffusing into that solution through a semiperm
    15·1 answer
  • Typically, how many amino acids make up a protein chain?
    13·1 answer
  • As a result of stress, the anterior pituitary releases ________, which stimulates release of hormones from the adrenal cortex th
    14·1 answer
  • List and briefly describe in your own words the four main points of Darwins theory.
    5·1 answer
  • When earth worms add their waste in the soil and die in the soil they are contributing to the formation of ?
    11·1 answer
  • 14. Energy in producers is stored through the process of:
    8·1 answer
  • The features of alveoli for the efficient exchange of gases.
    9·1 answer
  • There are only three autosomal trisomic conditions (Patau, Edward, and Down Syndrome) where a fetus will survive to birth. Why d
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!