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
MAVERICK [17]
3 years ago
8

What is a point mutation?

Biology
1 answer:
Veronika [31]3 years ago
3 0

Answer:

A) A single base pair change.

Explanation:

Point mutation is a change in a single base pair of a nucleotide. This comes as a results of mistakes made during DNA replication, induced by ultravoilet radiations, extreme heat and X-rays. There are three types of point or substitution mutations; change, deletion and insertion. The nucleotide bases are either mistakenly inserted, changed or deleted, thus changing the resulting protein or amino acid being coded for.

You might be interested in
1. Plants carry out chemical reactions that make sugars, which contain carbon, hydrogen, and oxygen, from carbon dioxide (CO2) a
Hatshy [7]

Answer:

Radioactive labeling is a procedure used to monitor the path followed by a chemical element within  a biological system to demonstrate the source.

Hypothesis:

The free oxygen produced during photosynthesis comes from water.

Procedure.

Single-celled algae were placed in four petri dishes containing carbon dioxide, glucose dissolved in  Water.

In each box the oxygen was radioactively marked.

1 petri dish with CO2 marked. Experimental groups

2 petri dish with H2O marked. Experimental groups

3 petri dish with Glucose marked. Experimental groups (control)

4 petri dish with CO2 + H2O + Glucose, all marked. (control).

6 0
3 years ago
How many phosphate minerals most affected human activity
goldenfox [79]

Answer:

How much phosphorus does the human body have?

How much phosphorus do I need?

Life Stage Recommended Amount

Children 9 to 13 years old 1,250 mg

Adolescents 14 to 18 years old 1,250 mg

Pregnant and lactating adolescents 1,250 mg

Adults over 19 years of age 700 mg

Explanation:

3 0
2 years ago
1) Photosynthesis produces two product, ________ and _________.
vodka [1.7K]
1. Photosynthesis produces two products, glucose and oxygen. 
2. Respiration will take the products of photosynthesis and convert them into carbon dioxide and water. 
6 0
3 years ago
What is the location of carbohydrates in the cell?
son4ous [18]

Answer:

I think its cell membranes

Please correct me if I am wrong thank you

Explanation:

8 0
3 years ago
Identify which types of energy are derived from renewable resources and which are deprived from non renewable resources.
Korvikt [17]
All except the first and last are renewable
8 0
3 years ago
Read 2 more answers
Other questions:
  • Two species of drosophila have been competing in the lab for a long time. a researcher notes that over the course of time, the c
    13·1 answer
  • What is AMYLOIDOSIS?​
    13·2 answers
  • Karyotypes can be studied to determine an organism’s chromosomal makeup and to detect genetic defects. Patau syndrome occurs whe
    14·1 answer
  • (mitosis) what occurs during interphase?
    14·1 answer
  • In what part of the day do plants produce more carbon dioxide than oxygen?
    8·1 answer
  • What happens to energy content of substance when is heated?
    15·1 answer
  • Describe the connection between soil quality and water quality.
    9·1 answer
  • Which of these statements best summarizes the information provided by the diagram?
    10·1 answer
  • Differentiate the terms: <br> i) Hibernation and aestivation.
    11·1 answer
  • Choose from three types of scientific workers (for example, biologists, chemists, and geographers) that you think could help sol
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!