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Shtirlitz [24]
3 years ago
7

What are three ways mutations can occurI will give brainlest answer​

Biology
2 answers:
RoseWind [281]3 years ago
8 0
The three ways mutations can occur are
Mutations arise spontaneously at low frequency owing to the chemical instability of purine and pyrimidine bases and to errors during DNA replication. Natural exposure of an organism to certain environmental factors, such as ultraviolet light and chemical carcinogens (e.g., aflatoxin B1), also can cause mutations.
zaharov [31]3 years ago
6 0
DNA is a long polymer of nucleotides (long strand of A,T,G,C in a defined sequences for any given gene.

The three types of mutations are 1. Substitution where a base is changed from its original to a new base (A—>G) 2 insertion where a nucleotide is added into the DNA. 3 Deletion where a nucleotide is deleted.

1 substitution 2. Insertion 3 deletion
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Ryan hears a loud noise and quickly turns his eyes sideways in the direction of the sound. To accomplish this action he must use
maksim [4K]

Answer:

The correct answer is lateral rectus muscles.

Explanation:

To see what is happening in his side, or what originated the loud noise, Ryan has to use his lateral rectus muscle. Lateral rectus is one of the five extra ocular muscles that help in movement of the eye balls and help to see what is happening in and around us. It is mostly responsible for abduction, i.e. the movement of the eye balls away from the center line of the body. Defect in this muscle can result in sixth nerve palsy.

7 0
3 years ago
Find the positive root of x2 - 2x = 8​
quester [9]
X^2 - 2x - 8 = 0
(x - 4)(x + 2) = 0
x = 4 or x = -2
The positive root is x = 4
4 0
3 years ago
What can white blood cells do that helps them carry out their defensive functions more effectively?
Fynjy0 [20]

Answer:

Migrate through blood vessels

Explanation:

White blood cells have the ability to perform diapedesis. Diapedesis refers to the emigration of white blood cells through the blood vessels. During the process, white blood cells move along the endothelium of blood vessels and stick to it. The white blood cells squeeze between the endothelial cells to migrate out of the blood vessels.

In this way, white blood cells can reach the site of infection or move from blood to the interstitial fluid to perform immune functions. The ability to migrate in and out of the blood vessels allows the phagocytic neutrophils and macrophages to arrive at the site of pathogen entry, basophils arrive at the site of inflammation to perform their respective functions.

3 0
3 years ago
Which equation is correct ​
Paha777 [63]

The correct answer would be B I hope.

Hope this helps

Please give me Brainliest

4 0
4 years ago
Which of these would be evidence that cyanobacteria evolved the ability to perform photosynthesis and released oxygen as a bypro
Lady bird [3.3K]

Answer:

its b

Explanation:

3 0
4 years ago
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