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Midterm

BIOL 1000 Study Guide - Midterm Guide: Endoplasmic Reticulum, Chloroplast Membrane, Anglerfish


Department
Biology
Course Code
BIOL 1000
Professor
Nicole Nivillac
Study Guide
Midterm

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Practice test - Midterm # 1
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Biol1000 practice test May 16, 2013
1. Which of the following is not true of pigments?
A. They are made up of alternating single and double bonds
B. They possess color corresponding to the color of absorbed light
C. they possess delocalized electrons that absorb light energy and move to an excited state.
D. It is characterized by a conjugated system
2. Sunlight influences which of the following?
A. Energy production in naked mole rates
B. Production of vitamin D in humans
C. Bioluminescence in Angler fish
D. Energy production by the mitochondria
3. Which of the following is true with respect to Retinal?
A. It is a light absorbing protein only found in plants and bacteria.
B. Proteins will absorb light and cause a change in the structure retinal.
C. It is also known as Rhodopsin.
D. A conformation shift of retinal will affect protein activity.
4. In the phylogenetic tree below, which species are most closely related?
A. Thermoproteus and Halophiles
B. Spirochetes and Halophiles
C. Proteobacteria and Entamoebae
D. Pyrodicticum and Entamoebae
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Practice test - Midterm # 1
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5. I am studying a prokaryote that gets its energy by oxidizing hydrogen sulphide (H2S) and
obtains its carbon from carbon dioxide (CO2). It is a
A. Chemoautotroph.
B. Photoautotroph.
C. Chemoheterotroph.
D. Photoheterotroph.
6. The cytoskeleton___________.
A. Is composed primarily of protein.
B. Is composed of RNA and protein with some carbohydrates.
C. Is a rigid support system for the cell, much like our own skeleton.
D. Is only found in plant cells.
7. Which of the following statements about cells is not true?
A. The composition of the cytosol is the same in prokaryotes and eukaryotes (e.g. same
ions).
B. The DNA of a eukaryote is found localized to a central region called a nucleoid.
C. The DNA of both prokaryotes and eukaryotes is organized into chromosomes.
D. All cells possess a selectively permeable membrane.
8. Nucleotides are made up of deoxyribose, a phosphate group and ________.
A. A purine
B. A pyrimidine
C. A purine or a pyrimidine base
D. A phosphodiester bond
9. Prokaryotic cells do not contain__________.
A. A plasma membrane
B. A cell wall
C. Ribosomes
D. A nucleus
10. Which of the following is NOT a characteristic that chloroplasts and mitochondria share?
A. Have their own ribosomes.
B. Contain multiple membranes.
C. Have a linear chromosome.
D. Capable of dividing/reproducing within the cell.
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