The variable portion of DNA is the sequence of ……..
a) sugars
b) phosphate group
c) bases
d) all of these
Nitrogenous bases pair with base that are
a) complimentary
b) identical
c) both a and b
d) none of them
The number of nitrogenous bases common in both DNA and RNA are……
a) two
b) three
c) five
d) one
Explanation: Adenine, Guanine and Cytosine
Conjugated Molecules:
molecules that are created when two distinct molecules from different categories are combined.
When a carbohydrate molecule combines with protein, a conjugated molecule called…….is formed.
a) lipoprotein
b) glycoprotein
c) nuculeoprotein
d) proteoglycane
Explanation: it is the integral component of the plasma membrane, also present in egg albumin
When a lipid molecule combines with protein, a conjugated molecule called…….is formed.
a) lipoprotein
b) glycoprotein
c) nuculeoprotein
d) proteoglycane
Explanation: these are the basic structural framework of plasma membrane
