Biology, 18.03.2021 02:50 nxusasmangaliso8780
Answer the questions below with respect to the virtual lab (as instructed by the attached class slides).
1. Which section should you use for this lab? (A. Expression / B. mRNA / C. Multiple Cells / D. all listed)
2. A gene is made of
(A. DNA/B. RNA / C. protein / D. all listed)
3. What are the two regions that regulate the gene expression? (A. regulatory & transcribed / B.
regulatory & translated / C. transcribed & translated / D. all listed)
4. (T/F) The RNA polymerase alone will not start the making of RNA. (A. True / B. False / C. Possible /
D. The virtual lab does not tell)
5. What is the main difference between a negative transcription factor and a positive one? (A. negative
prevents the transcription / B. positive promotes the transcription / C. both A & B/D. neither A nor B)
Answers: 2
Biology, 21.06.2019 16:00
Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance
Answers: 1
Biology, 22.06.2019 09:30
You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.
Answers: 1
Biology, 22.06.2019 16:30
Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.
Answers: 1
Biology, 22.06.2019 16:40
An alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire? it is resilient
Answers: 1
Answer the questions below with respect to the virtual lab (as instructed by the attached class slid...
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