#Question id: 28506
#Unit 5. Developmental Biology
In case of fin bud which of the ectodermal region promotes fin ray development?
#Question id: 3534
#Unit 8. Inheritance Biology
Start with a collection of mutants obtained using selections or screens and then characterize their wild functions at the molecular level called ----A------, alternatively, start with a set of specific DNA sequences, mutate them, and observe the phenotypes called --B-----.
#Question id: 2877
#Unit 2. Cellular Organization
What is the superhelical density of a closed-circular DNA with a length of 4,200 bp and a linking number (Lk) of 374? What is the superhelical density of the same DNA when Lk = 412? Are these molecules negatively or positively supercoiled?
A. The molecule is getting negatively supercoiled.
B. The molecule is getting positively supercoiled.
C. The superhelical density is positive.
D. The superhelical density is negative.
Which of the combinations of the above statements are correct?
#Question id: 24457
#Unit 7. System Physiology – Animal
#Question id: 6966
#Unit 5. Developmental Biology
During gastrulation in the frog, the very first cells to move into the interior of the embryo through the blastopore come from the surface layer of cells in the marginal zone; they will become: