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