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iren2701 [21]
3 years ago
7

Los protones tienen carga positiva(+) verdad o falso

Biology
2 answers:
SOVA2 [1]3 years ago
3 0

Answer:

English plz

Explanation:

kirza4 [7]3 years ago
3 0
The answer is true (verdad)
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Why is Type O- the universal donor? Check all that apply.
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The Type O blood group is commonly called as universal donor because any blood group can receive the O blood group. The blood group O has no antigen. Due to the absence of antigen it doesn't agglutinate when come in contact with other blood groups in the plasma.

The agglutination reaction happens when opposite antigen and antibody reacts with each other. e.g.- Blood group A contains antigen A and antibody b and the blood group B contains antigen B and antibody a. Agglutination reaction occurs when the antigen A reacts with antibody a. As O blood group has no antigen, agglutination reaction doesn't occur.

6 0
3 years ago
In which terrestrial biome would you find precipitation of 300 to 900 millimeters (mm) each year?
True [87]

Answer: B. coniferous forests.

Explanation:

Coniferous forests are the terrestrial biomes which receives an annually 300 to 900 millimeters precipitation. These forests exhibits trees which undergoes special adaptations in the scarcity of water. The forests exhibit coniferous trees which means instead of leaves they posses needles and instead of flowers they have cones. These adaptations helps in preventing the water loss through transpiration.

3 0
3 years ago
All of the following drugs will lead to physical dependence except;
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Answer:

B

Explanation:

5 0
2 years ago
What is a hormone, and what is its purpose? Name a gland that produces a hormone.
nekit [7.7K]

Hormones are chemical substances that affect the activity of another part of the body. Hormones serve as messengers, controlling and coordinating activities throughout the body.

The endocrine gland produces hormones.

5 0
3 years ago
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The anemia resulting from a deficiency of either vitamin B 12 (cobalamin) or folate is caused by a disruption in DNA synthesis o
Vesnalui [34]

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.  

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3 years ago
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