Natural selection results in different forms of plants which can survive in contaminated or uncontaminated soil. Type of natural selection is

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#Question id: 13024

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Inset and the vector can be ligated if they are digested by a pair of –

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#Question id: 2066

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?

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#Question id: 1674

#Section 2: General Biology

Which of the following statements is TRUE of receptor editing?

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#Question id: 10804

#Section 6: Plant, Animal and Microbial Biotechnology

Major types of alkaloids, their amino acid precursors, and well-known examples of each type;

Alkaloid class	Biosynthetic precursor	Examples
A. Pyrrolidine	i. Lysine	a. Coniine
B. Tropane	ii. Ornithine	b. Retrorsine
C. Piperidine		c. Lupinine
D. Pyrrolizidine		d. Nicotine
E. Quinolizidine		e. Atropine and Cocaine

Which of the following combination from the given table is correct?

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#Question id: 1978

#Section 2: General Biology

In which of the following situations will helper T cells be activated?