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