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EKB-Lecture 4
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Question 1 of 12
1. Question
•Chlorophyll is required by the chloroplasts of leaves to capture light. For what process do the chloroplasts require this light energy?CorrectIncorrect -
Question 2 of 12
2. Question
•Which of the following correctly describes the relationship between light intensity and the synthesis of chlorophyll in a plant?CorrectIncorrect -
Question 3 of 12
3. Question
•Which of the following statements is incorrect?CorrectIncorrect -
Question 4 of 12
4. Question
•Chloroplasts contain the pigment chlorophyll. What color is it?CorrectIncorrect -
Question 5 of 12
5. Question
Two groups of seedlings were grown in different conditions for 4 weeks; one group was grown in constant light, and the other was grown with very limited access to light. The diagram provided shows the results.
What can be assumed about chlorophyll synthesis from these results?
CorrectIncorrect -
Question 6 of 12
6. Question
•Complete the statement: If light intensity is low and less chlorophyll is synthesized by the plant, the rate of photosynthesis………..CorrectIncorrect -
Question 7 of 12
7. Question
•Two individuals were crossed together and all their offspring have the same phenotype which is unlike that of their parents. Which of the following types of inheritance might this case be?CorrectIncorrect -
Question 8 of 12
8. Question
•Fill in the blank: An allele that is always expressed when present is known as…………CorrectIncorrect -
Question 9 of 12
9. Question
•Which of the following best defines the term complementary genes?CorrectIncorrect -
Question 10 of 12
10. Question
•Assume that fur color in mice is controlled by complementary genes. The diagram provided shows the biochemical pathway that results in a mouse having black fur. What will happen if enzyme B is no longer functional?CorrectIncorrect -
Question 11 of 12
11. Question
•The colour of the sweet pea flower is governed by two genes, A and B. The dominant phenotype is pink and the recessive phenotype is white. If we crossed two sweet pea plants with the genotypes AABB and AAbb, respectively, using Punnett squares, what possible phenotypes could be observed in the second generation F2?CorrectIncorrect -
Question 12 of 12
12. Question
•Flower color in sweet pea plants is an example of a characteristic affected by complementary gene action. The flowers can be white or purple; in this scenario, there must be a dominant allele present for both genes for the purple flower color to be shown.•Which of the following genotypes would give a plant with white flowers?CorrectIncorrect