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
ANTONII [103]
3 years ago
8

Which sentence best describes active transport?

Biology
2 answers:
goldenfox [79]3 years ago
8 0

Answer: Option A

Explanation:

The active transport can be defined as the transport which is uses energy to transport materials.

The materials from the inside of the cell is transported to the outside of the cell or the materials from the outside of the cell is transported to the inside of the cell.

There is a need of energy because the substance needs to move against the concentration gradient.

Mrac [35]3 years ago
6 0

Answer:

1) a substance moves into and out of the cell using energy ( in the form of ATP)

You might be interested in
What kind of symbiotic relationship is showm between Dori and Marlin
OlgaM077 [116]
<span>The kind of symbiotic relationship between Dori and Marlin is mutualism. This kind of relationship is where two different organisms exist together and they benefit one another. Some other examples include pollination. Lastly, some of these interaction play a key role in terrestrial ecosystems. </span>
8 0
4 years ago
Suppose that in humans the ability to roll the tongue (R) is dominant to being unable to roll it (r), and having freckles (F) is
tatuchka [14]

Answer:

1/4

Explanation:

A heterozygous woman for both traits (RrFf) marries with a man with no freckles (ff) who can't roll his tongue (rr).

The cross is: RrFf X rrff.

The woman can produce the gametes <em>RF, Rf, rF </em>and <em>rf</em>

The man can only produce <em>rf </em>gametes.

<u>The possible offspring that can arise from the combination of those gametes is:</u>

  • 1/4 RrFf Freckled, tongue-rolling
  • 1/4 Rrff Freckled, unable to roll tongue
  • 1/4 rrFf Not freckled, tongue-rolling
  • 1/4 rrff Not freckled, unable to roll tongue
4 0
3 years ago
What is the advantage to prokaryotes grouping related metabolic gene products into a single operon
ANTONII [103]
The advantage to prokaryotes grouping related metabolic gene products into a single operon is they only needed one mRNA to create several gene products. This makes a prokaryote different to a eukaryote in terms of gene information processing. Prokaryotes have fewer genes. These genes are located in one chromosome only.
7 0
3 years ago
What are angiosperm female sex cells called?<br> sepals<br> ovules<br> spores<br> pollen
Wewaii [24]

Answer:

its pollen

Explanation:

its for a fifth grader but the other answer is probably correct for a different grade

3 0
3 years ago
Read 2 more answers
What is an explanation of why producers are always found at the lowest trophic level?
Marrrta [24]
C) Producers convert light energy into chemical energy.
6 0
3 years ago
Other questions:
  • Which condition feeds a tropical storm as it develops into a hurricane? A. heat and moisture B. cool temperatures and rain C. hi
    14·2 answers
  • The first organisms evolved on Earth around 4 billion years ago. The fossil record indicates that the first organisms were which
    7·1 answer
  • If an animal cell shrinks, it was probably placed in a _____.
    10·2 answers
  • What are the main characteristics of amphibians?
    8·2 answers
  • The table presents the average day and night temperatures in five cities. It also reveals whether a city receives substantial ra
    10·2 answers
  • What always occurs when energy moves from one trophic level to the next higher one?
    10·1 answer
  • What is the primary source of energy in a food change
    8·1 answer
  • What process moves the water from the roots to the leaves
    9·1 answer
  • Question 6
    6·1 answer
  • 1. Which statement best describes chromosomes?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!