Exam 1 Practice BIOL-121 Questions and Correct Answers
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Course
BIO 121
Institution
BIO 121
Dye injected into a plant cell might be able to enter an adjacent cell through _________________.
A. Plasmodesmata
B. Tight Junctions
C. Gap Junctions
D. Desmosomes
E. Magic A. Plasmodesmata
Which of the following is NOT part of the endomembrane system?
A. Golgi Apparatus
B. Rough End...
Exam 1 Practice BIOL-121 Questions
and Correct Answers
Dye injected into a plant cell might be able to enter an adjacent cell through
_________________.
A. Plasmodesmata
B. Tight Junctions
C. Gap Junctions
D. Desmosomes
E. Magic ✅A. Plasmodesmata
Which of the following is NOT part of the endomembrane system?
A. Golgi Apparatus
B. Rough Endoplasmic Reticulum
C. Centrioles
D. Secretory Vesicles
E. Transport Vesicles ✅C. Centrioles
The membrane bound organelle that all living cells have.
A. Is a nucleolus
B. Is a ribosome
C. Is the cytoskeleton
D. Is a mitochondrion
E. Doesn't exist ✅E. Doesn't exist
Which of the following correctly matches an organelle with its function?
A. flagella - protection
B. sER - manufacture of proteins
C. ribosome - manufacture of lipids
D. mitochondria - cellular respiration
E. central vacuole - transcription ✅D. Mitochondria - Cellular Respiration
Which of the following is not a function of lipids?
A. Hormones
B. Storage of energy
C. Catalyze reactions
D. Insulation
E. Cell membrane component ✅C. Catalyze reactions
, All organisms have which of the following in common?
A. They make their own energy
B. They reproduce asexually
C. They exhibit simple organization
D. They have phospholipid membranes
E. None of the above ✅E. None of the above
Which of the following is a component of a nucleotide?
A. Amine group
B. Sucrose
C. Fatty acids
D. R group
E. Pentose ✅E. Pentose
Which of the following is an example of a non-membranous organelle?
A. Golgi apparatus
B. Nucleus
C. Ribosome
D. Dr. Brown
E. None of the above ✅C. Ribosome
Which of the following clues would tell you whether a cell is prokaryotic or eukaryotic?
A. Whether or not the cell is partitioned by internal membranes
B. The presence or absence of a rigid cell wall
C. Whether or not the cell carries out cellular metabolism
D. The presence or absence of nucleic acid
E. Whether or not it has lost it's amateur status ✅A. Whether or not the cell is
partitioned by internal membranes
A theory is ______.
A. A poorly supported idea that has little backing but might be correct.
B. A well supported concept that has broad explanatory power
C. The same thing as a hypothesis
D. Not correct unless it is several years old
E. A concept that, once established in the scientific literature, can be modified but never
rejected, even when new scientific methods produce data that don't fit ✅B. A well
supported concept that has broad explanatory power
Which term has the least association with others on the list?
A. a-helix
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