Biomolecules Questions and Answers

Biology
BiomoleculesThe series of reactions that release glucose monomers from glycogen is...
O Glycocalyx
O Glycogenesis
O Glycogenolysis
O Gluconeogenesis
O Glycolysis

Biology
BiomoleculesWhich of the following is a primary participant in cloning an isolated gene?
Restriction endonuclease
Host organism
a vector
all of these

Biology
BiomoleculesWhich of the following is best to sterilize heat labile (heat unstable) solution?
autoclave
dry heat
gamma rays
UV rays
deep freezing

Biology
BiomoleculesAn enzyme that recognizes a specific (palindromic) sequence and cuts within a DNA molecule is called a(n):
Orestriction endonuclease
Omodification enzyme
Omethylase
Oexonuclease

Biology
BiomoleculesDraw the condensed structural formula for Val-Ala-Leu. (16.1, 16.2, 16.3)
Would you expect to find this segment at the center or at the surface of a protein? Why?

Biology
BiomoleculesWhich of the following is NOT a desired characteristic of DNA vectors used in gene cloning procedures?
a. self-replication
b. copied using reverse transcriptase
c. has a selectable marker
d. circular form of DNA or integrates into the host chromosome
e. may replicate in several species.

![The half-life of a reaction of compound A to give compounds D and Eis 35.5 min
when the initial concentration of A is 0.150 M. How long will it take in min for the
concentration to drop to 0.0375 M if the reaction is first order with respect to A.
Where as, In[A]
- =
- kt + In[A], for a first order reaction.
Report your answer to 1 decimal place](https://media.kunduz.com/media/sug-question/raw/84191384-1656958862.9049013.jpeg?w=256)
Biology
BiomoleculesThe half-life of a reaction of compound A to give compounds D and Eis 35.5 min
when the initial concentration of A is 0.150 M. How long will it take in min for the
concentration to drop to 0.0375 M if the reaction is first order with respect to A.
Where as, In[A]
- =
- kt + In[A], for a first order reaction.
Report your answer to 1 decimal place

Biology
BiomoleculesWhich sentence
below has
incorrect
subject/verb
agreement?
A. Playing games are
something that will
keep you entertained.
B. Playing games is
something that will
keep you entertained.
C. Playing games is
something to do in
your free time.
D. Playing games was
something we did
when we were kids.

Biology
BiomoleculesWhat is the type of RNA that is involved in transcription?
Select one:
O Messenger RNA (mRNA).
O Ribosomal RNA (rRNA).
O Transfer RNA (TRNA)
O Transport RNA (tRNA).

Biology
BiomoleculesInheritance and Expression of Traits:Question 8
What are the building blocks of proteins?
Glucose molecules.
Nucleotides.
Fatty acids.
Amino acids.

Biology
BiomoleculesHydrophobic molecules precipitate
ALL OF THESE
NONE OF THESE
aggregate
dissolve
in water.

Biology
BiomoleculesWhich of the following is the least important role of proteins in biological
systems?
O catalysts
Csignal molecules
structural elements
receptors for signal molecules
long-term information storage

Biology
BiomoleculesSecondary metabolites are organic compounds that are produced outside of the primary metabolic processes that create the materials for structure and growth.
Based on this information, which of the following is an example of a secondary metabolite?
O steroids.
O carbohydrates.
ODNA & RNA.
O proteins.
O lipids.

Biology
BiomoleculesWhat ion gradient is used as the energy input for gradient driven pumps in plants and fungi?
A. K+
B. H+
C. Ca²+
D. None of these. Only animals have gradient driven pumps.