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Makovka662 [10]
3 years ago
10

An original section of dna has the base sequence agcgttaccgt. a mutation in this dna strand results in the base sequence aggcgtt

accgt. this change represents _____. a point mutation a silent mutation frameshift mutation a missense mutation
Biology
1 answer:
ycow [4]3 years ago
8 0
<span>How can a mutation in a DNA base sequence cause a change in a trait?</span>
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After transcription begins, several steps must be completed before the fully processed mRNA is ready to be used as a template fo
snow_lady [41]

Answer:

B

Explanation:

This may be rong, however I think this needs to happen before the mRNA can leave the nucleus. The cap helps prevent the mRNA from being destroyed by the cell itself once it leaves the nucleus.

5 0
3 years ago
Why are some of us more prone than others to coronary heart disease?
cricket20 [7]
"Coronary heart disease, North America’s number one cause of death, has been linked with the competitive, hard-driving, impatient, and (especially) anger-prone Type A personality. Under stress, the body of a reactive, hostile person secretes more of the hormones that accelerate the buildup of plaque on the heart’s artery walls. Type B personalities are more relaxed and easygoing. Chronic stress also contributes to persistent inflammation, which heightens the risk of clogged arteries and depression."

OR

Coronary heart disease (CHD) could be the thinning or impediment in the coronary thrombosis veins, normally brought on by coronary artery disease. Coronary artery disease (at times termed “stiffing” or maybe “blocking” in the arterial blood vessels) may be the build-up associated with trans fat and fatty deposits (named plaques) around the intrinsic artery walls.



7 0
3 years ago
Julie is preparing vegetables for dinner and accidentally cuts her finger. She washes it with soap and water before covering it
Gelneren [198K]

Answer:

The correct answer is A. inflammation

Explanation:

Inflammation is the defense mechanism of the immune system which is non-specific and part of the innate immunity of the body. Inflammation is the reaction against any cell injury.  

Inflammation is categorized by heat, pain, redness(erythema), and swelling(edema). These changes occur because of the result of the increase in local blood vessel diameter which leads to increase of flow of blood that results in heat and redness.  

The transport of fluids and proteins takes place at the injury site which causes swelling and pain. Therefore the right answer is A. inflammation.

3 0
3 years ago
What structures do sponges possess that may prevent other animals from eating them?
Nitella [24]

The answer is spicules. These sharp-pointed structures are formed from calcium carbonate skeleton of the organisms.  They can also be formed from silica. They can be big (megascleres), or microscopic (microscleres). Also dependent on the number of axis on the spicules, they are classified as monoaxon, triaxon or polyaxon.


8 0
3 years ago
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Tough connective tissue structures that hold bones together are known as
Nikolay [14]
D. Ligaments are strong and flexible bands of connective tissue that holds bones together meeting at a point known as joints. The first option - tendons - is also a connective tissue but they attach muscle to the bone.
7 0
3 years ago
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