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
pishuonlain [190]
3 years ago
6

What is a point mutation?

Biology
2 answers:
Ostrovityanka [42]3 years ago
7 0

Point mutations are a large category of mutations that describe a change in single nucleotide of DNA, such that that nucleotide is switched for another nucleotide, or that nucleotide is deleted, or a single nucleotide is inserted into the DNA that causes that DNA to be different from the normal or wild type gene ...
Furkat [3]3 years ago
5 0

Explanation:

A point mutation or substitution is a genetic mutation where a single nucleotide base is changed, inserted or deleted from a DNA or RNA sequence of an organism's genome.

You might be interested in
_________is severe pain and constriction about the heart, usually radiating to the left shoulder and down the left arm and creat
White raven [17]

Answer:

Heart attack

Explanation:

Heart attack is the death of a part of heart muscles and severe pain that causes heart constriction having pain in the chest which spread to the left shoulder and down the arm thereby causing the feeling of pressure in the chest.

This is caused when a blood clots blocks blood flow to the heart thereby leading makes the tissue to loss oxygen and die.

The symptom of heart attack are;

pain in the chest, neck, back or arms, fatigue, lightheadedness, abnormal heartbeat and anxiety, nausea.

Treatment ranges from surgery, medication , rehabilitation e.t.c.

7 0
3 years ago
If an attic polar bear is transferred to a zoo in tropical singapore, it will not be able to survive. What could be the reason f
anzhelika [568]
The answer is "Tolerance only for cold climates". Hope it helped!
3 0
3 years ago
Describe the view if you were to stand in the penumbra of a lunar eclipse.
madreJ [45]

From within the Moon's penumbra, a partial solar eclipse can be seen. Like any other opaque objects illuminated by a light source, the Moon and the Earth cast shadows into space as they block the sunlight that hits them. Each shadow has 3 different areas: the umbra, the penumbra, and the antumbra.

6 0
3 years ago
What is the role of decomposers in an ecosystem?​
Misha Larkins [42]

Answer:

Decomposers are responsible for breaking down dead animals bodies into waste, more commonly known as food for themselves, and a more clean ecosystem. You can thank decomposers such as mushrooms and fungi for making sure the ecosystem does not consist of dead bodies.

7 0
2 years ago
Read 2 more answers
What are the basic needs of all cells in the body?
Salsk061 [2.6K]
The basic needs of all cells in the body is to have food, oxygen, and have their wastes taken away.
5 0
3 years ago
Other questions:
  • What is a female reproductive organ of a flower called?
    9·1 answer
  • Why are tissue samples from healthy and cancer cells taken from the same patient?
    15·1 answer
  • A cell is treated with a drug that prevents the formation of new lysosomes. The cell continues to transcribe the genes that code
    6·1 answer
  • When bonding to dentin it is important to know the depth of dentin or the proximity to the pulp. Deep dentin or dentin closest t
    6·1 answer
  • una bola en movimiento es golpeada por el bateador y cambia su dirección de movimiento. que ley de movimiento neutrón es.​
    12·1 answer
  • Farmer Fran sprays her sugarcane field with a highly effective pesticide called 'Bayou Bug Blast'. For five years the pesticide
    8·2 answers
  • What part of the brain is responsible for memory?
    11·1 answer
  • What is the main job of the digestive system?
    10·2 answers
  • Tasha went on a trekking expedition to a mountain range during her vacation. When she reached a particular elevation, it started
    15·1 answer
  • What are the main factors that<br> determine Earth's climate?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!