Bissoy.com
Doctors Medicines MCQs Q&A

The first role of carotenoids is as a “quencher”.

The first role of carotenoids is as a “quencher”. Correct Answer False

The above statement is false. The first role of carotenoids is as an accessory light-harvesting pigment. The other role of carotenoids is as a quencher of triplet chlorophyll to protect against photo-oxidative damage.

Related Questions

Which of the following statements relating to 'role' is/are true and false?
1 The system of various roles that the individual carries and performs is 'role set'.
2. The system of various roles of which an individuals role is a part in 'role space'.
3. Self role integration, proactivity, creativity and conformation are ingredients of the role making dimension of role efficacy.
4. Role stress is caused by both role space conflict and role set conflict.
In ensuring sustainable curriculum change and improvement, whose role is crucial in the Indian context? (a) Role of students feedback (b) Role of teachers feedback (c) Role of parents reactions (d) Role of educational authorities (e) Role of public in general Give your answer from the following option:
Assertion (A) Each role must have enough stressers which may help the role occupant to stretch himself/herself to meet the challenge. In the role, where the scope is limited to routine work, the role occupants do not perceive any challenge.
Reason (R) While every role has some routine elements, challenge can also be incorporated into every role. However, the challenge should not exceed an optimal limit, otherwise it may produce dysfunctional stress, resulting in poor performance or damage to the health of the employee in the long-run.
In another method of quantitative PCR, reporter-quencher set up is used. Which of the statement holds true for this methodology?
Consider the following statements :
1. An activity of a person to discharge obligations associated with his/her position is called role.
2. A situation in which a person is confronted with compatible role expectations is called role conflict.
3. Different roles to be performed by a person holding different positions in different groups is called role-set.
4. A position of an individual within a system of social stratification is called status.
Which of these are correct?
The International Monetary Fund (IMF) on Monday appointed  Gita Gopinath as its first female Chief Economist. Now, the IMF joins the OECD and World Bank in having a woman in the top economic role in the institution. Which of the following substantiates the given statement? I: The IMF joins the OECD and World Bank in having a woman in the top economic role in the institution. II: The OECD and World Bank only have a woman in the top economic role in the institution. III: The International Monetary Fund (IMF) appointed its first female Chief Economist.
Carotenoids and anthocyanins are some of the primary metabolites.
What are carotenoids?
Carotenoids dissipate absorbed energy as heat.
Carotenoids are of mainly two types.