DNA Replication
Plants
Fruit/seeds/wood
Photosynthesis
Viruses
100
1. All of the following are processes that can alter chromosome structure except for which? a. inversion b. reduction c. deletion d. duplication e. translocation
What is b. reduction
100
Most of the mass of organic material of a plant comes from. a. Water b. CO2 c. Soil minerals d. Atmospheric O2 e. Nitrogen
What is b. CO2
100
A fruit is a (an)… a. Mature ovary b. Mature ovule c. Seed plus its integuments d. Fused carpel e. Enlarged embryo sac.
What is a. Mature ovary
100
Bi-Product of the light cycle of photosynthesis.
What is oxygen
100
The Viral genome is enclosed by a protein covering known as the ____? a. capsid b. envelope c. cell membrane d. plasmid e. carbohydrate
What is a. capsid
200
Joins RNA nucleotides during DNA replication
What is primase.
200
Which of the following is not common to all phyla of vascular plants? a. The development of seeds b. Alteration of generations c. Dominance of the diploid generation d. Xylem and phloem e. The addition of lignin to cell walls
What is a. The development of seeds
200
Which of the following is NOT an example of a berry? a. Lime b. Tomato c. Egg Plant d. Strawberry e. Blueberry
What is d. Strawberry
200
Enzyme complex involved in the fixation of carbon in dark reactions of photosynthesis.
What is rubisco
200
Viral genome is made up of? a. double stranded DNA b. single stranded DNA c. RNA d. all of the above e. none of the above
What is d. all of the above
300
The enzyme that untwists the helix of DNA at the replication forks
What is helicase.
300
Carnivorous adaptations in plants mainly compensate for soil that has relatively low content of a. Potassium b. Nitrogen c. Calcium d. Water e. Phosphate
What is b. Nitrogen
300
Wood consists of? a. Bark b. Collenchyma cells c. Secondary Xylem d. Secondary Phloem e. Apical meristems
What is c. Secondary Xylem
300
Pigments that absorb violet-blue and red light.
What is chlorophyl
300
A phage reproductive cycle that culminates in the death of the host cell is _____? a. the lytic cycle b. the lysogenic cycle c. neither of these d. both of these
What is a. the lytic cycle
400
One strand of DNA has a sequence of 5’- ATTCCG – 3’. The complimentary strand for this is… a. 5’- TAAGGC-3’ b. 5’- ATTCCG-3’ c. 5’- ACCTTA-3’ d. 5’- CGGAAT-3’ e. 5’- GCCTTA-3’
What is d. 5’- CGGAAT-3’
400
“Pinching off” the tops of snapdragons causes the plants to make many more flowers then they would if left alone. Why does the removal of the snapdragon’s top cause more flowers to form? a. Removal of an apical meristem causes a phase transition from vegetative to floral development. b. Removal of an apical meristem causes cell division to become unorganized. c. Removal of an apical meristem allows more nutrients to be delivered to floral meristems. d. “Pinching off” the tops of snapdragons causes the plants to make many more flowers then they would if left alone. Why does the removal of the snapdragon’s top cause more flowers to form? a. Removal of an apical meristem causes a phase transition from vegetative to floral development. b. Removal of an apical meristem causes cell division to become unorganized. c. Removal of an apical meristem allows more nutrients to be delivered to floral meristems. d. Removal of an apical meristem causes outgrowth of lateral buds that produce extra branches, which ultimately become flowers. e. Removal of an apical meristem allows the periderm to produce new lateral branches.
What is d. Removal of an apical meristem causes outgrowth of lateral buds that produce extra branches, which ultimately become flowers.
400
Which of the following is NOT a major category of fruit? a. Aggregate b. Simple c. Complex d. Multiple
What is c. Complex
400
Found in the reaction center of PSI and PSII.
What is chlorophyll
400
Which sequence best describes what happens when a retrovirus infects a cell? a. RNA-DNA hybrid  reverse transcriptase  viral protein  provirus b. reverse transcriptase  RNA-DNA hybrid  provirus  viral protein c. provirus  viral protein  RNA-DNA hybrid  reverse transcriptase d. viral protein  RNA-DNA hybrid  reverse transcriptase  provirus e. reverse transcriptase  provirus  viral protein  RNA-DNA hybrid
What is b. reverse transcriptase  RNA-DNA hybrid  provirus  viral protein
500
The role of DNA ligase in DNA replication is to ______. a. add more nucleotides to a growing strand one at a time b. open up the two DNA strands to expose template strands c. ligate base to sugar to phosphate in a nucleotide d. bond Okazaki fragments to one another e. remove incorrectly paired bases
What is d. bond Okazaki fragments to one another
500
Which of the following would not contribute to water uptake in a plant? a. An increase in the water potential (Ψ) of the surrounding solution. b. A decrease in pressure on the cell exerted by the cell wall. c. The uptake of solutes by the cell. d. A decrease in Ψ of the cytoplasm. e. An increase in the tension on the solution that surrounds the plant cell.
What is b. A decrease in pressure on the cell exerted by the cell wall.
500
A seed develops from a. An ovum b. A pollen grain c. An ovule d. An ovary e. An embryo
What is c. An ovule
500
Which of the following is not part of the transpiration-cohesion-tension mechanism f or the ascent of xylem sap? a. The loss of water from the mesophyll cells, which initiates a pull of water molecules from neighboring cells b. The transfer of transpirational pull from one water molecule to the next, owing to the cohesion caused by hydrogen bonds c. The hydrophilic walls of tracheids and xylem vessels that help maintain the column of water against the force of gravity d. The active pumping of water into the xylem from the roots e. The lowering of the water potential in the surface film of the mesophyll cells due to transpiration
What is e. The lowering of the water potential in the surface film of the mesophyll cells due to transpiration
500
The retrovirus HIV enters a host cell a. by fusion of its envelope with the host’s plasma membrane. b. by endocytosis. c. by vectors. d. through cytoplasmic connections between cells (plasmodesmata). e. by phagocytosis.
What is b. by endocytosis.
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