Science teas exam review 2024/2025 with 100% correct answers
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Course
Science teas e
Institution
Science Teas E
1) Which of the following is a primary functional difference between smooth endoplasmic reticulum and rough endoplasmic reticulum?
A. smooth endoplasmic reticulum does not participate in synthesis of products that are destined for external secretion
B. smooth endoplasmic reticulum does not parti...
1) Which of the following is a primary functional difference between smooth endoplasmic reticulum and
rough endoplasmic reticulum?
A. smooth endoplasmic reticulum does not participate in synthesis of products that are destined for
external secretion
B. smooth endoplasmic reticulum does not participate in synthesis of proteins
C. rough endoplasmic reticulum does not participate in synthesis of products that are destined for
external secretion
D. rough endoplasmic reticulum does not participate in synthesis of proteins correct answersB. smooth
endoplasmic reticulum does not participate in synthesis of proteins
2) which of the following is a universal feature of all living cells?
A. an external cell membrane
B. an external cell wall
C. a nucleus
D. mitochondria correct answersA. an external cell membrane
3) Which of the following terms would NOT be used to define the relative position of one body structure
to another ?
A. caudal
B. coronal
C. ventral
D. Inferior correct answersB. coronal
4) which of the following identifies the type of intercellular filament that generates the whip-like motion
of the flagellum of a human sperm cell?
A. thick filaments
B. microfilaments
C. microtubules
, D. Intermediate filaments correct answersC. microtubules
5) what does the linear backbones of DNA consist of ?
A. alternating nitrogenous bases of thymine and uracil
B. alternating deoxyribose sugar and phosphate groups
C. alternating nucleotides of ribose and deoxyribose
D. alternating nitrogenous bases and glucose groups correct answersB. alternating deoxyribose sugar
and phosphate groups
6) which of the following could be a nitrogenous base sequence of both a single codon and a single
anticodon?
A. ACG
B. GCT
C. UTC
D. AGU correct answersA. ACG
7) What organelle functions with the smooth ER to process package, and transport a variety of
synthesized products throughout the cell?
A. ribosomes
B. the Golgi apparatus
C. cilia
D. mitochondria correct answersB. the Golgi apparatus
8) what is the major extracellular structure that provides protective and mechanical support to the outer
layers of skin, hair, and nails?
A. fibrillin
B. collagen
C. keratin
D. melatonin correct answersC. keratin
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