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
Alja [10]
3 years ago
11

Transport of materials into a cell against a concentration gradient, from low to high, requires

Biology
2 answers:
horrorfan [7]3 years ago
4 0

protein pumps and energy

Diano4ka-milaya [45]3 years ago
3 0

Answer:

protein pumps and energy

Explanation:

You might be interested in
This study is replicated in the Appalachian Mountains with similar results. Which of the following is true? The number of days w
Trava [24]

Answer:

There was no change in the number of days with poor flower availability

Explanation:

When replicating a study, the researcher develops the exact same study (experiment/treatment) in different places (experimental unit). In this case, as the researcher replicates the study in the Appalachian Mountains and gets similar results, that means that there was no change in the number of days with poor flower availability.

8 0
3 years ago
What structural features do cellulose and glycogen share, and in what ways do they differ?.
d1i1m1o1n [39]

Answer:

Option (b) Both are polymers of D-glucose but cellulose is connected by ( beta 1-4 ) glycosidic linkage whereas glycogen is connected by ( alpha1-4) glycosidic linkage....

Explanation:

:)

3 0
2 years ago
After chromosomes are formed, during which phase of mitosis do the chromosomes attach to the spindle fibers by their centromeres
Georgia [21]
I believe the answer is B) Prophase
5 0
3 years ago
Read 2 more answers
If you look at a star on a dark night (with no moon), the star seems to disappear when we look right at it. that is because the
Vadim26 [7]
Dots and circles on them
3 0
3 years ago
There is a certain grammar to the genetic code, or
Mademuasel [1]

Answer:

Codons are  

3

base "words"  that code for specific amino acids. They are

nonoverlapping

and never

have gaps between

the words.

Explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • Which sentence best represents the process through evolution occurs?
    6·2 answers
  • 11. If female deer mate with male deer that have the largest antlers, we are witnessing _______ selection.
    13·1 answer
  • What are food enzymes?
    7·2 answers
  • If your blood sugar level is low from skipping lunch what reaction will occur in your liver cells
    10·2 answers
  • What is a population?
    15·2 answers
  • Question #1:
    12·1 answer
  • In living organisms, energy from the oxidation of organic molecules provides most of the energy needed to create favorable condi
    14·1 answer
  • All of the oxygen that we breathe is produced by plants.<br> a. True<br> b. False
    6·1 answer
  • Living organisms, and all matter, are made of _____.
    11·2 answers
  • 10. The presence of an epiphyseal line indicates a. Epiphyseal growth has ended b. Epiphyseal growth is just beginning c. Growth
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!