AND VERIFIED ANSWER; 100%
CORRECT; 2026- 2027 UPDATE
4 properties of vectors - correct answer- 1.most
important property of a vector is self-replication, and
once in a cell, the vector must be capable of replicating.
2.Vectors must be able to recognize sequence for a
restriction enzyme, a unique genetic marker that we can
identify once enters the host cell
3.should be small in comparison to host chromosome
4. Plasmids, artificial chromosomes, and viruses are used
as vectors.
A fungi is what type of microorganism? - correct
answer- Eukaryote
A genus can best be defined as _________. - correct
answer- a taxon comprised of one or more species
and below family
,A restriction fragment is ________. - correct
answer- a segment of DNA
According to the operon model, for the synthesis of an
inducible enzyme to occur, the ________. - correct
answer- The substrate must bind to the repressor
All of the following are gram-positive. Which does not
belong with the others? - correct answer-
Mycobacterium
All of the following are true about the members of the
Kingdom Animalia except ________. - correct
answer- they can photosynthesize
All of the following are true about the members of the
Kingdom Plantae except ________. - correct
answer- they use organic carbon sources
Ames test procedure - correct answer- Test
tube with a buffer and test chemical is incubated for 20
, mins at 37 degree celsius as well as controlled cultures
(one known to be positive).
Agar is added and mixed then poured on dish with a
bacterial medium.
Bacteria will grow in presence of a positive and have
undergone reverse mutation.
Colonies counted 2 days after.
An algae stipe is most similar to which of the following
plant structures? - correct answer- Stipe
An enzyme produced in response to the presence of a
substrate is called ________. - correct answer-
an inducible enzyme
An example of gene therapy is ________. - correct
answer- insertion of the insulin gene in a diabetic
person's pancreas cells