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Lady bird [3.3K]
3 years ago
9

The anemia resulting from a deficiency of either vitamin B 12 (cobalamin) or folate is caused by a disruption in DNA synthesis o

f the blast cells in the bone marrow that produces very large abnormal bone marrow cells called megaloblasts.
O True O False
Biology
2 answers:
Vesnalui [34]3 years ago
7 0

Answer:

The given statement is true.

Explanation:

A condition in which uncharacteristically large, unusual and immature RBCs known as megaloblasts gets generated by the bone marrow is known as megaloblastic anemia. The condition can arise due to many causes of which deficiencies of folate or vitamin B12 (cobalamin) are the most general ones. The mentioned vitamins perform an essential function in the generation of RBCs.  

The signs and symptoms of megaloblastic anemia are lightheadedness, shortness of breath, pale skin, unusual heartbeat, and dizziness. Some of the other signs of the condition are weakness in muscles, pains and aches, and dyspnea.  

Olin [163]3 years ago
6 0

Answer: True.

Explanation:

Megaloblastic anaemia is a medical condition in which the bone marrow which produce red blood cells produces very large, abnormal, unstructural cells called megaloblasts. This result from disruption in DNA synthesis. It is a nutritional defficiency which is due to inability of the body to absord nutrients. This is caused by deficiency of vitamin B12 and folate. The symptoms include dizziness, increase heart rate, e.t.c

It can be cured by taking dietary supplements of vitamin B12 and folate depending on the root cause.

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I belive the answer is A
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3 years ago
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Scientists classifying modern animals are most likely to compare the -
MrMuchimi

Answer:

F. The sequence of an animals' DNA is how scientist classify modern animals

5 0
2 years ago
The intermediate disturbance hypothesis predicts that species diversity will be ______when the frequency and/or intensity of dis
alukav5142 [94]

The intermediate disturbance hypothesis predicts that species diversity will be highest  when the frequency and/or intensity of disturbances are intermediate

Explanation:

The diversity of the species is maximised at an intermediate near of anthropogenic as well as natural disturbances. As the competitively inferior disturbances are being tolerated for species disturbance and are termed to be dominant. Co exist of the sensitive species when the disturbance are either frequent or rare, which possess the reduced level of the disturbances. the productivity is predicted as very less due to competitive exclusion. As the disturbances increases productivity becomes less as most of them unable to sustain the regular destructive occurrence. So with the intermediate disturbances productivity is high as the rapid colonizers and dominant competitors are able to coexist.

5 0
3 years ago
You are served dessert at a restaurant. You want to know what % of the calories in the dessert are from fat. The menu states tha
jasenka [17]

Answer:

39.82 %

Explanation:

Proteins and carbohydrates provide 4 calories per gram. On the other hand, fats provide 9 calories.

We can first calculate the calories of protein + carbohydrates:

       (30g + 4g) x 4 = 136 calories

And we must calculate the calories provided by fat:

        10g x 9 = 90 calories

Now to get the percentage we must see how many calories the dessert has in total:

          136 + 90 = 226 cal

This represents 100% of calories. And now we need to find out how much 90 calories are from the total.

           226 cal -----> 100%

             90 cal ------> X

       (90 x 100) / 226 = 39.82 %

4 0
3 years ago
All of the following are mentioned as factors that influence what stimuli we notice and try to make sense of EXCEPT for: a. chan
Alexandra [31]

Answer:

c. our inhibitions and insecurities

Explanation:

The factors that influence what stimuli we notice and try to make sense of are

1. When some certain characteristics of external phenomena attracts our attention. There is an higher chance of noticing it --- things that STAND OUT.✔

2. An individual perception is controlled and regulated by the acuity of his/her senses.

Take for example, a person with a better sense of smell, its more attracted to the aroma of a freshly baked chocolate cake than others -----acuity of our senses.✔

3. Change or variation attracts attention, as this explains why one might ignore a friend's chat but will swiftly notice when his/her friend is tensed. --- Change or variation✔

4. What an individual choose to notice is also regulated by their personality and inner thoughts as morives play a important role in what we see and miss out on.

5. An individual perceive what he wants to perceive ----- the self-fulfilling prophecy (deals with individuality and perception of one's self)

Kindly note that the option c -our inhibitions and insecurities- does not influence what stimuli we notice and try to make sense of.

7 0
3 years ago
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