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
Vladimir [108]
3 years ago
5

When does DNA replication happen and why?

Biology
1 answer:
azamat3 years ago
3 0

Answer:

DNA replication needs to occur because existing cells divide to produce new cells. Each cell needs a full instruction manual to operate properly. So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions

You might be interested in
A graduated cylinder contains 10mL of water. A rock is dropped into the cylinder and the water level rises to 17mL. What is the
Travka [436]

Answer:

<h3>7 milliliters or 7 cubic centimeters</h3>

Explanation:

1 cubic centimeter = 1 milliliter

You can measure the volume of a rock using cubic centimeters because rocks do not have a defined shaped so you have to use water displacement to find the volume of a rock. If you had a defined shape there are different methods but for an undefined shape( rocks) you use this method.

To solve all you have to do is know how much there was in the container without the rock then how much there was with the rock. Then you take the total and subtract the original measurement you had.

17-10=7 mL or 7 cubic centimeters

5 0
3 years ago
Read 2 more answers
This picture is illustrating
Mashutka [201]
I, seems to be the answer, because its not a sexual reproduction, (this occurs in cells, its not sexual reproduction, you would need the egg and sperm.
8 0
3 years ago
Read 2 more answers
When in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. This molecu
labwork [276]

Answer:

b. active transport

Explanation:

Active transport -

It is the movement of the molecules across the membrane via a region of lower concentration towards the region of higher concentration , and in some cases , the flow is independent of the concentration .Its is known as active transport .

This process needs some amount of energy in the form of cellular energy .

Hence , the correct term for the given statement is active transport .

5 0
3 years ago
The mass of a star can be determined by studying _____.
Lilit [14]

<u>Answer</u>:

The mass of a star can be determined by studying binary star systems.

<u>Explanation</u>:

In this system it consists of two stars, revolving round the same bary-centre. The systems having two or may say more than two are called as the multiple star system. This zone is also a habitable zone, here the water exists in the liquid form. We could have sometime seen the two stars together. They are also very capable of strengthening the terrestrial planets inside the stable orbital ranges. They have generally two orbits like P-type as well as circumbinary.  

4 0
4 years ago
In what way are the digestive system and circulatory systems alike
Juliette [100K]
C) they are both transport systems.
3 0
3 years ago
Other questions:
  • a cell in g2 before meiosis begins, compared with one of the four cells produced at the end of meiosis ii, has
    9·1 answer
  • How has urbanization changed land,air and water quality
    5·1 answer
  • Describe how you can use a Punnett square to predict the probability that offspring will inherit a trait.
    15·1 answer
  • According to the dichotomous key below, what are the distinguishing characteristics of a female mosquito of the genus Culex? ANS
    9·2 answers
  • Which types of decisions are more prevalent at lower organizational levels? Group of answer choices Structured decisions Procedu
    15·1 answer
  • How much exercise is recommended for children?
    8·2 answers
  • Which statement illustrates bias in scientific research?
    9·1 answer
  • What is the medical significance of complete lack of growth on any of the plates?
    6·1 answer
  • Place it Correct spot that’s all tbh
    12·2 answers
  • Which of the following materials is necessary for scientists to estimate the age of the solar system?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!