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 Biology Questions

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Q:

Where would rna polymerase attach?

A) Phosphate groups B) DNA
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) DNA

Explanation:

RNA polymerase attach to DNA molecule.

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Q:

Lysogeny can result in all of the following except

A) Acquisition of new characteristics by the host cell B) Transduction of specific genes
C) Immunity to reinfection by the same phage. D) Immunity to reinfection by any phage
 
Answer & Explanation Answer: D) Immunity to reinfection by any phage

Explanation:

Lysogeny can result in all of the following except Immunity to reinfection by any phage. Lysogeny means phage DNA is incorporated in Host cell DNA. 

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Q:

Activation of the receptors by stimuli is called

A) Adaptation B) Perception
C) Habituation D) Sensation
 
Answer & Explanation Answer: D) Sensation

Explanation:

Sensation is the activation of the receptors by stimuli.

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Q:

In autotrophic bacteria, where is chlorophyll located?

A) in the nucleoid B) in the infolded plasma membrane
C) in the ribosomes D) in chloroplast membranes
 
Answer & Explanation Answer: B) in the infolded plasma membrane

Explanation:
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Q:

Androgens such as testosterone are produced by the

A) Spermatoganea B) Interstitial cells
C) Seminiferous D) None of the above
 
Answer & Explanation Answer: B) Interstitial cells

Explanation:

Androgens such as testosterone are produced by the Interstitial cells.

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Q:

Biological membranes are composed of

A) Phospholipids B) Proteins
C) Carbohydrate groups D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Biological membranes are composed of phospholipids, Proteins and Carbohydrate groups attached to lipids and proteins.

 

Biological_membranes_are_composed_of1559036778.jpg image

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Q:

The terminal part of the carpel in a flower, which may be sticky is ______

A) Ovary B) Style
C) Stigma D) Anther
 
Answer & Explanation Answer: C) Stigma

Explanation:
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Q:

Which of the following is a treatment for heart disease?

A) Percutaneous Coronary Intervention (PCI) B) Coronary Artery Bypass Grafting(CABG)
C) Heart transplant D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

All the above options are the treatments for heart disease.

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