Non-enveloped naked viruses are known as___________?
Non-enveloped naked viruses are known as___________?
A. prions
B. bacteriophages
C. oncoviruses
D. virions
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Sleep movements are a type of___________?
Sleep movements are a type of___________?
A. Turgor movements
B. Growth movements
C. Tactic movements
D. Paratonic movmentsWhich of the following is a selectively permeable membrane?
Which of the following is a selectively permeable membrane?A. cell wall
B. cytoplasm
C. cell membrane
D. none of theseWhat is the percentage of water present in our brain?
What is the percentage of water present in our brain?A. 85%
B. 95%
C. 97%
D. 73%According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.
Which of the following statements is incorrect about skeletal muscle fibers?
Which of the following statements is incorrect about skeletal muscle fibers?
A. They are multinucleated.
B. They are 10 – 100 ?m in diameter & surrounded by sarcolemma
C. They contain O2 storing molecules called hemoglobin.
D. Their cytoplasm contains high concentration of carbohydratesWhich of the following allows precise muscular movements?
Which of the following allows precise muscular movements?A. Cerebrum
B. Cerebellum
C. Thalamus
D. HypothalamusIn onion food is stored in_______________?
In onion food is stored in_______________?A. Aerial stem
B. Root
C. Scale leaves
D. Bud