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Human Physiology Unit 1 Exam Review B
Test Description: BIOL G225
Instructions: Answer all questions to get your test result.
1) all organic molecules contain
A
phosphorus
B
sulfur
C
nitrogen
D
carbon
2) sucrose is a disaccharide that contains one _____ and one ______
A
glucose, fructose (which are structural isomers of each other)
B
carbohydrate, amino acid
C
carbohydrate, lipid
D
galactose, lactose
3) glycogen is
A
used for short term energy storage
B
all of the other answers are correct
C
more highly branched than starch
D
is a glucose polymer
4) which of the following is NOT a type of lipid?
A
amylase
B
steroid
C
triglyceride
D
prostaglandin
5) which of the following is NOT true of unsaturated fatty acids
A
they are never found in phospholipids
B
they are more liquid at room temperature than saturated fatty acids
C
they contain one or more Carbon=Carbon double bonds
D
they contain the maximal number of hydrogen atoms
6) what characteristic of phospholipids allows them to form the double layer seen in cell membranes?
A
they are amphipathic
B
they are soluble in water
C
they are non-polar
D
they are hydrophobic
7) the Alpha helices and Beta sheets of a protein molecule are its
A
primary structure
B
secondary structure
C
tertiary structure
D
quaternary structure
8) the subunit of protein is the
A
nucleic acid
B
amino acid
C
carbonic acid
D
fatty acid
9) the subunit of nucleic acids is the
A
fatty acid
B
carbonic acid
C
amino acid
D
nucleotide
10) which of the following is NOT one of the types of RNA
A
dRNA
B
mRNA
C
rRNA
D
tRNA
11) proteins located on the plasma membrane can act as
A
pseudopods
B
receptors
C
enzymes
D
neurotransmitter
12) very small particulate matter is taken into the cells via the process of
A
pinocytosis
B
ligand-mediated endocytosis
C
exocytosis
D
phagocytosis
13) of the cells in the human body, only _____ have flagella
A
pseudostratified epithelium
B
sperm
C
intestinal villae
D
endometrial cells
14) folds in the plasma membrane that increase surface area are
A
flagella
B
convolutionae
C
microvilli
D
cillia
15) organelles that contain digestive enzymes are
A
peroxisomes
B
golgi apparatus
C
contractile vesicles
D
lysosomes
16) the organelle where aerobic respiration takes place is
A
endoplasmic reticulum
B
golgi apparatus
C
lysosome
D
mitochondrion
17) an 'organelle' with 2 subunits that carries out translation is the
A
ribosome
B
nucleus
C
mRNA
D
nucleolus
18) cells that are involved in secreting proteins would have a preponderance of _____
A
mitochondria
B
lysosomes
C
microtubules
D
granular(rough) endoplasmic reticulum
19) muscles and sperm would have a large number of
A
mitochondria
B
ribosomes
C
vaccuoles
D
golgi bodies
20) the function of the ____ is to produce ribosomal RNA
A
nucleolus
B
ribosome
C
golgi
D
endoplasmic reticulum
*select an answer for all questions
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