Opines are unique and unusual condensation products of either an amino acid and a keto acid or sugar. The condensation product of arginine and pyruvic acid is called 

TLS Online TPP Program

#Question id: 5237

#Unit 5. Developmental Biology

Match the following stem cell type (Column I) with their niche location (Column II).

Column I	Column II
A. Intestine	i. Bone marrow
B. Hematopoietic stem cells	ii. Bulge
C. Hair follicle	iii. Testes
D. Sperm	iv. Base of small intestinal crypts

Which of the following is correct?

TLS Online TPP Program

#Question id: 30067

#Unit 7. System Physiology – Animal

Which of the following neurotransmitter released at the sympathetic endings?

TLS Online TPP Program

#Question id: 15008

#Unit 8. Inheritance Biology

You have a white eyed, male fruit fly with vestigial wings and a wild type female known to be heterozygous for both traits. You know that vestigial is located on an autosome. What is the probability that a mating between these two flies will generate a female offspring with vestigial wings and white eyes?

TLS Online TPP Program

#Question id: 5606

#Unit 5. Developmental Biology

During which one of the following stages of A. thaliana embryogenesis, cell elongation throughout the embryonic axis and further development of the cotyledons occur?

TLS Online TPP Program

#Question id: 12783

#Unit 10. Ecological Principles

Which of these ecosystems accounts for the largest amount of Earth's net primary productivity?