1
Q
Amino acids in the protein molecule are linked by bond
A
peptide
covalent
2
Q
Conjugation occurs in
A
cilliata
bacteria
3
Q
Sexual dimorphism is
A
differentiation of individuals by primary and secondary sexual characteristics
differentiation of individuals by gonads, morphological and functional properties
differentiation of male and female individuals by primary and secondary sexual characteristics
4
Q
Model organisms used in biological experiments include
A
Drosophila
viruses
bacteria
amphibians
guinea pigs
chimpanzees
5
Q
Embryos of all multicellular animals pass in their individual development:
A
the morula stage
the blastula stage
the gastrula stage
