HESI BIOLOGY EXAM QUESTIONS
WITH COMPLETE SOLUTIONS
during which phase is the chromosomes number reduced from diploid to haploid -
ANSWER-meiosis I
what is the longest phase in the life of a cell - ANSWER-interphase
which of the following is necessary for cell diffusion - ANSWER-water
which part of aerobic respiration uses oxygen - ANSWER-electron transport system
what is the name of the process by which a bacterial cell splits into two new cells -
ANSWER-fission
how many different types of nucleotides are there in DNA - ANSWER-four
what is the name for a cell that does not contain a nucleus - ANSWER-prokaryote
which stage of mitosis is occurring when the chromosomes begin separating and the
chromatids are considered separate chromosomes - ANSWER-anaphase
which of the following types of arteries most often has a diameter ranging from
0.1mm to 10mm - ANSWER-muscular artery
the parathyroid gland is an endocrine system gland located behind the thyroid gland.
what does the parathyroid gland help the body control - ANSWER-calcium and
phosphorus level
Sound is transduced into neural signals in which region of the inner ear - ANSWER-
the cochlear region
how many amino acids are required to make all the proteins necessary for life -
ANSWER-20
which of the following sentences is true - ANSWER-All organisms begin life as a
single cell
which of the following is not true for all cells - ANSWER-All cells are also called
eukaryotes
what are the two types of cellular transport - ANSWER-active and passive
what does aerobic mean - ANSWER-presence of oxygen
Genetics is the study of ________. - ANSWER-heredity
, scientist suggest that_____ has occurred through a process called - ANSWER-
evolution....natural selection
which of the following is not one of the four nitrogenous bases that make up the DNA
structure - ANSWER-uracil
this human tissue allows the body to move - ANSWER-muscular
what purpose does mitochondrion serve in animal cell - ANSWER-energy production
to slow an enzymatic reaction by blocking the active site, what moles could be added
to the solution - ANSWER-competitive inhibitors
what happens if a normal cell is placed in a hypotonic solution - ANSWER-water
would enter the cell higher solution concentration
human body is kept near 7.4 of PH, both positive and negative are utilized for
regulation - ANSWER-homeostasis
what cellular organelle is responsible for digestion of waste material and other
damaged organelles - ANSWER-lysosome
a typical house cat is a diploid organism with 38 chromosomes, how many
chromosome would the offspring have - ANSWER-38
during what process is RNA synthesized from its DNA counterpart - ANSWER-
transcription
what term best describes the sum of all an organisms chemical processes -
ANSWER-metabolism
healing vitamin - ANSWER-A
The correct progression of levels of organization in the human body - ANSWER-cell,
tissue, organ, organ system
the ____ microscopes permits the development of three dimensional images -
ANSWER-transmission electron
glycolysis produces how many pyruvate molecules for each glucose metabolized -
ANSWER-2
to what genus does the wolf belong - ANSWER-canis
what term diffusion across a biological membrane requiring no cellular energy -
ANSWER-passive transport
what organelle serve to package and transport molecules throughout the cell -
ANSWER-golgi apparatus
WITH COMPLETE SOLUTIONS
during which phase is the chromosomes number reduced from diploid to haploid -
ANSWER-meiosis I
what is the longest phase in the life of a cell - ANSWER-interphase
which of the following is necessary for cell diffusion - ANSWER-water
which part of aerobic respiration uses oxygen - ANSWER-electron transport system
what is the name of the process by which a bacterial cell splits into two new cells -
ANSWER-fission
how many different types of nucleotides are there in DNA - ANSWER-four
what is the name for a cell that does not contain a nucleus - ANSWER-prokaryote
which stage of mitosis is occurring when the chromosomes begin separating and the
chromatids are considered separate chromosomes - ANSWER-anaphase
which of the following types of arteries most often has a diameter ranging from
0.1mm to 10mm - ANSWER-muscular artery
the parathyroid gland is an endocrine system gland located behind the thyroid gland.
what does the parathyroid gland help the body control - ANSWER-calcium and
phosphorus level
Sound is transduced into neural signals in which region of the inner ear - ANSWER-
the cochlear region
how many amino acids are required to make all the proteins necessary for life -
ANSWER-20
which of the following sentences is true - ANSWER-All organisms begin life as a
single cell
which of the following is not true for all cells - ANSWER-All cells are also called
eukaryotes
what are the two types of cellular transport - ANSWER-active and passive
what does aerobic mean - ANSWER-presence of oxygen
Genetics is the study of ________. - ANSWER-heredity
, scientist suggest that_____ has occurred through a process called - ANSWER-
evolution....natural selection
which of the following is not one of the four nitrogenous bases that make up the DNA
structure - ANSWER-uracil
this human tissue allows the body to move - ANSWER-muscular
what purpose does mitochondrion serve in animal cell - ANSWER-energy production
to slow an enzymatic reaction by blocking the active site, what moles could be added
to the solution - ANSWER-competitive inhibitors
what happens if a normal cell is placed in a hypotonic solution - ANSWER-water
would enter the cell higher solution concentration
human body is kept near 7.4 of PH, both positive and negative are utilized for
regulation - ANSWER-homeostasis
what cellular organelle is responsible for digestion of waste material and other
damaged organelles - ANSWER-lysosome
a typical house cat is a diploid organism with 38 chromosomes, how many
chromosome would the offspring have - ANSWER-38
during what process is RNA synthesized from its DNA counterpart - ANSWER-
transcription
what term best describes the sum of all an organisms chemical processes -
ANSWER-metabolism
healing vitamin - ANSWER-A
The correct progression of levels of organization in the human body - ANSWER-cell,
tissue, organ, organ system
the ____ microscopes permits the development of three dimensional images -
ANSWER-transmission electron
glycolysis produces how many pyruvate molecules for each glucose metabolized -
ANSWER-2
to what genus does the wolf belong - ANSWER-canis
what term diffusion across a biological membrane requiring no cellular energy -
ANSWER-passive transport
what organelle serve to package and transport molecules throughout the cell -
ANSWER-golgi apparatus
