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Q:

Select the correct statement about cellular respiration?

A) All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecule B) All the carbon atoms in glucose ultimately incorporated during cellular respiration into NADH molecule
C) All the carbon atoms in glucose ultimately incorporated during cellular respiration into ATP molecule D) All the carbon atoms in glucose ultimately incorporated during cellular respiration into water molecule
 
Answer & Explanation Answer: A) All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecule

Explanation:

All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecules.

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2 2549
Q:

Which of the following are involved directly in pulmonary circulation?

A) left ventricle, aorta, and inferior vena cava B) right atrium, aorta, and left ventricle
C) superior vena cava, right atrium, and left ventricle D) right ventricle, pulmonary artery, and left atrium
 
Answer & Explanation Answer: D) right ventricle, pulmonary artery, and left atrium

Explanation:

Right ventricle (which pumps blood to the lungs), pulmonary artery (which carries blood to the lungs), and left atrium (which receives blood from the lungs) are involved directly in pulmonary circulation.

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Q:

A myocardial infarction is a heart attack.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

True, the given statement that a myocardial infarction is a heart attack.


heart-attack-_myocardial_infarction1532070967.jpg image

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2 2534
Q:

What process immediately preceeded protein synthesis at the ribosome?

A) transcription B) replication
C) translation D) duplication
 
Answer & Explanation Answer: A) transcription

Explanation:

Protein synthesis at the ribosome is immediately preceeded by the transcription process.

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3 2523
Q:

Select the correct statement about photosynthesis by primary producers.

A) Photosynthetic protists and prokaryotes Carry out the majority of the photosynthesis in aquatic communities. B) Land plants carry out over 80% of the world's photosynthesis.
C) Cyanobacteria carry out more of the world's photosynthesis than protist do. D) All of the above
 
Answer & Explanation Answer: A) Photosynthetic protists and prokaryotes Carry out the majority of the photosynthesis in aquatic communities.

Explanation:
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Q:

Muscles get tired when there is shortfall of ___________.

A) Lactic acid B) Na+ ions
C) ATP D) Sulphates
 
Answer & Explanation Answer: C) ATP

Explanation:
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Q:

Which statement describes decomposers?

A) Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems. B) Decomposers can produce their own source of energy and can sometimes act as primary producers.
C) Decomposers are those organisms that recycle matter in the ecosystem.. D) All the above
 
Answer & Explanation Answer: C) Decomposers are those organisms that recycle matter in the ecosystem..

Explanation:

Decomposers are organisms that break down dead or decaying organisms, and in doing so, they carry out the natural process of decomposition.

 

The statement "Decomposers are those organisms that recycle matter in the ecosystem" describes decomposers.

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2 2517
Q:

Which of the following does not occur during Mitosis?

A) spindle formation B) condensation of the chromosomes
C) breakdown of the nuclear membrane D) replication of the DNA
 
Answer & Explanation Answer: D) replication of the DNA

Explanation:

Replication of the DNA does not occur during Mitosis.

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