When the two antiparallel strands of DNA are held together partly by the weak forces between complementary bases and partly by hydrophobic interaction between adjacent , stacked base pairs termed as_____

TLS Online TPP Program

#Question id: 40454

#Botany

Given below are two statements regarding the economic importance of Algae:

Statement I: Agar-agar, used in microbial culture media, is obtained from Laminaria and Sargassum.

Statement II: Chlorella is a unicellular alga rich in proteins and is used as a food supplement by space travelers.

Choose the correct answer:

TLS Online TPP Program

#Question id: 40455

#Botany

Match the Algal genera in List-I with their characteristic features in List-II.

List-I (Genera)	List-II (Feature)
A. Volvox	I. Coenobial colony (Motile)
B. Hydrodictyon	II. Water Net (Non-motile Coenobium)
C. Ectocarpus	III. Isomorphic Alternation of Generations
D. Polysiphonia	IV. Triphasic Life Cycle (Haplobiontic)

TLS Online TPP Program

#Question id: 40456

#Botany

Given below are two statements regarding the thallus organization in Algae:

Statement I: The thallus of Fucus is differentiated into holdfast, stipe, and frond (lamina).

Statement II: Vaucheria has a coenocytic, siphonaceous thallus without septa.

Choose the correct answer:

TLS Online TPP Program

#Question id: 40457

#Applied Microbiology

Which of the following techniques is most appropriate for the separation of a mixture of lipids?

TLS Online TPP Program

#Question id: 40458

#Applied Microbiology

Consider the following statements regarding the principles of electrophoresis:

Statement I: Electrophoresis separates molecules primarily based on their charge-to-mass ratio.

Statement II: Neutral molecules with zero net charge remain stationary or move randomly in an electric field.

Which of the above statements is/are correct?

TLS Online TPP Program

#Question id: 40459

#Applied Microbiology

Assertion (A): Standard Gel Electrophoresis is rarely used for the separation of simple lipids.

Reason (R): Lipids are biomolecules that are primarily hydrophobic and lack the net charge required for migration in an aqueous electric field.

Choose the correct option: