Question

98. A molecule with higher mass/density would
sediment faster because
1) More the mass, more gravitational force.
2) Mass and velocity are directly proportional
to each other
3) More the mass, low gravitational force
4) Centripetal force


97. Generally RNA is genetic material in which of
the following?
1) Animal viruses
2) Phage viruses
3) Plant viruses
4) RNA is not at all a genetic material


98. What are the structural units of DNA and RNA?
1 nucleotides
2 nucleoside
3 nitrogen bases
4 ribose sugar


103. Match the following corectly
List -
A) Adenine 1) 6-amino purine
BGuanine 2)6oxy2aminopurine
C) Cytosine 3) 2-oxy. 4 amino
pyrimidine
D)Thymine 4) 2.4dioxy 5methyl pyrimidine
E) Uracil V) 2.4 di oxy pyrimidine




99. If a DNA strand has 25 nucleotides how many
water molecules can be released?



100. In a nucleoside nitrogen hate and pentose
sugar are joined by



105. The organism that is used in transformation
experiment by Griffith is
1) Rod shaped bacteria
2) Spherical bacteria and tend to form clusters
3) Spherical and tend to form chains
4) Helical bacteria
​

Answer 1

Answer:

A person with hypermetropia/hyperopia or long sight can see clearly objects far away from them, but not close to them. This is caused by the shape of the eye - the eyeball is slightly too short. It is corrected by spectacles or contact lenses with lenses which are 'plus' or convex in shape.

Answer 2

Answer:

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