HESI A2 V2 BIOLOGY TEST 2 Questions
And Answers
Which are the correct mRNA bases, complementary to the following DNA strand "
TGCA":
ACGU
TUGT
TGCA
ACGT - CORRECT ANSWER-ACGU
Translation takes place:
in the lysosomes
in the cell nucleus
in the cell membrane
in the cell cytoplasm - CORRECT ANSWER-in the cell cytoplasm
Which of the following describes heterozygous individuals?
They have two of the same alleles
They have two different alleles for the same gene
They result from asexual reproduction only
They result from sexual reproduction only - CORRECT ANSWER-They have two
different alleles for the same gene
Which of the following correctly lists the hierarchic system of classification from most
inclusive to least inclusive?
Kingdom, Phylum, Order, Class, Family, Genus, Species
Kingdom, Phylum, Class, Family, Order, Genus, Species
Kingdom, Phylum, Class, Order, Family, Genus, Species
Kingdom, Phylum, Order, Family, Class, Genus, Species - CORRECT ANSWER-
Kingdom, Phylum, Class, Order, Family, Genus, Species
A repeatable procedure of gathering data to support or refute a hypothesis is known as
conducting an experiment
the scientific method
drawing a conclusion
developing a theory - CORRECT ANSWER-conducting an experiment
, Which of the following is not true about water?
When water freezes, it forms a lattice crystal, causing ice to float.
Large bodies of water stabilize climates due to water's high specific heat.
The polarity of water's bonds allows for covalent bonding between molecules.
Hydrogen bonding results in water having strong cohesive and adhesive properties. -
CORRECT ANSWER-The polarity of water's bonds allows for covalent bonding
between molecules.
Which biologic molecule would you recommend a patient limit if they want to avoid
having cardiovascular problems?
Unsaturated fats
Carbohydrates
Phospholipids
Saturated fats - CORRECT ANSWER-Saturated fats
DNA and RNA are subunits of which type of biologic molecule?
Proteins
Lipids
Nucleic acids
Carbohydrates - CORRECT ANSWER-Nucleic acids
Which type of protein acts to catalyze different reactions or processes?
Amino acids
Enzymes
Steroids
Hormones - CORRECT ANSWER-Enzymes
What are the three types of lipids?
Fatty acids, enzymes, and steroids
Fatty acids, phospholipids, and enzymes
Fatty acids, saturated fats, and unsaturated fats
Fatty acids, phospholipids, and steroids - CORRECT ANSWER-Fatty acids,
phospholipids, and steroids
In a cell, reactions take place in a series of steps called ____________?
catabolic pathways
metabolic pathways
the electron transport chain
cellular respiration - CORRECT ANSWER-metabolic pathways
What function do cholesterol molecules serve within the cell membrane?
