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Q:

Which are the special proteins in muscles that contract and relax to cause movement?

 

A) Contractile protein B) Receptor protein
C) Structural protein D) Enzymatic protein

Answer:   A) Contractile protein



Explanation:
Subject: Biology
Exam Prep: Bank Exams
Related Questions
Q:

The oval window is connected directly to which passageway?

A) scala tympani B) external auditory meatus
C) scala vestibuli D) pharyngotympanic tube
 
Answer & Explanation Answer: C) scala vestibuli

Explanation:

The oval window is connected directly to scala vestibuli.

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Q:

Which word best describes the structure of the cell membrane?

A) Rigid B) Impermeable
C) Nonpolar D) Layered
 
Answer & Explanation Answer: D) Layered

Explanation:
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Q:

Where does meiosis take place in bryophytes?

A) Capsule B) Protonema
C) Antheridia D) None of the above
 
Answer & Explanation Answer: A) Capsule

Explanation:

Meiosis takes in the capsule of the Bryophytes.

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Q:

REM behavior disorder results from

A) sleep B) walking
C) watching D) All of the above
 
Answer & Explanation Answer: A) sleep

Explanation:

REM (Rapid Eye Movement) Sleep Disorder results from the sleep. Too much alcohol consumption too near to the bed time cause this.

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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:

Intrapulmonary pressure is the

A) pressure within the alveoli of the lungs B) pressure within the pleural cavity
C) negative pressure in the intrapleural cavity D) None of the above
 
Answer & Explanation Answer: A) pressure within the alveoli of the lungs

Explanation:

Intrapulmonary pressure is the pressure within the alveoli of the lungs.

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Q:

Which of the following is true of annelids?

A) They have an open circulatory system B) They have a nerve net
C) They perform gas exchange across their skin D) They have pseudocoeloms
 
Answer & Explanation Answer: C) They perform gas exchange across their skin

Explanation:
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Q:

Which two functional groups are always found in amino acids?

A) Carbonyl and amine B) Ketone and amine
C) Amine and carboxyl D) Aldehyde and amine
 
Answer & Explanation Answer: C) Amine and carboxyl

Explanation:

The two functional groups Amine and carboxyl groups are always found in amino acids.

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