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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
nitrogen
C
sulfur
D
carbon
2) sucrose is a disaccharide that contains one _____ and one ______
A
carbohydrate, amino acid
B
galactose, lactose
C
glucose, fructose (which are structural isomers of each other)
D
carbohydrate, lipid
3) glycogen is
A
all of the other answers are correct
B
more highly branched than starch
C
is a glucose polymer
D
used for short term energy storage
4) which of the following is NOT a type of lipid?
A
amylase
B
steroid
C
prostaglandin
D
triglyceride
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 are never found in phospholipids
D
they contain one or more Carbon=Carbon double bonds
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
secondary structure
B
tertiary structure
C
primary structure
D
quaternary structure
8) the subunit of protein is the
A
carbonic acid
B
amino acid
C
nucleic acid
D
fatty acid
9) the subunit of nucleic acids is the
A
nucleotide
B
carbonic acid
C
fatty acid
D
amino acid
10) which of the following is NOT one of the types of RNA
A
dRNA
B
rRNA
C
mRNA
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
exocytosis
B
pinocytosis
C
ligand-mediated endocytosis
D
phagocytosis
13) of the cells in the human body, only _____ have flagella
A
intestinal villae
B
endometrial cells
C
pseudostratified epithelium
D
sperm
14) folds in the plasma membrane that increase surface area are
A
flagella
B
cillia
C
convolutionae
D
microvilli
15) organelles that contain digestive enzymes are
A
lysosomes
B
peroxisomes
C
contractile vesicles
D
golgi apparatus
16) the organelle where aerobic respiration takes place is
A
mitochondrion
B
endoplasmic reticulum
C
golgi apparatus
D
lysosome
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
granular(rough) endoplasmic reticulum
C
microtubules
D
lysosomes
19) muscles and sperm would have a large number of
A
mitochondria
B
golgi bodies
C
vaccuoles
D
ribosomes
20) the function of the ____ is to produce ribosomal RNA
A
nucleolus
B
endoplasmic reticulum
C
ribosome
D
golgi
*select an answer for all questions
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