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Bio
bio Final
Term | Definition |
---|---|
Which generation is dominant in nonvascular plants | the gametophyte generation is dominant |
An activator is | a protein that binds to a control element in DNA |
The Krebs Cycle | removes electrons from pyruvate and puts them on NAD+ |
In photosynthetic electron transport: | NADPH can only be produced if both photosystems are operating |
The Calvin Cycle | uses ATP and NADPH from the light reactions of photosynthesis |
In mitochondrial electron transport: | electrons from NADH are transferred to O2 to make water |
In the Ascomycetes: | the ascocarp is heterokaryotic |
All true kingdoms: | Plants, animals, fungi |
In all muliticellular Fungi: | meiosis occurs immediately after karyogamy |
Which of the following statements about xylem is TRUE? | tracheids are found in gymnosperms and ferns |
Which of the following statements about phloem transport is TRUE? | Pressure in the sieve tubes is higher in sources than in sinks. |
In a typical phosphorylation cascade used in signal transduction, loss of a protein phosphatase is likely to: | lead to an overly active signaling pathway |
If a G protein were defective so that it could bind to but not break down GTP, this G protein is predicted to: | always be active |
The CdK proteins that control the cell cycle work by: | adding phosphate groups to other proteins to change their activity |
The anticodon is | a sequence of three nucleotides in a tRNA |
A fat or oil is composed of: | 1 glycerol and three fatty acids |
Which of the following statements about amino acids is TRUE? | All amino acids have one carboxyl group and one amino group |
All protists are: | eukaryotic |
Which generation is dominant in the ferns? | the sporophyte generation is dominant |
In phloem transport, pressure in the sieve elements is created by: | active transport of sucrose into the sieve element |
When sap is harvested from sugar maple trees in the spring, which of the following is TRUE? | The sap is harvested from the xylem. |
Most of the dry weight of a plant is: | Carbon, Hydrogen, Oxygen |