Specific DNA control elements in promoters can

a. interact with general transcription factors.

b. interact with repressor proteins.                 

c. interact with activator proteins.

d. remain unavailable because of condensed chromatin. 

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#Question id: 5348

#Unit 8. Inheritance Biology

Miniature wings (Xm) in Drosophila result from an X-linked allele that is recessive to the allele for long wings (XL). Following different cross with resulting progeny were possible

Male parent	Female parent Heterozygous	Male offspring	Female offspring
Long wings XLY	Long wing XL Xm	A	B
Miniature wings XmY	Long wing XL Xm	C	D

Which of the following above offspring is not possible to carry miniature wings?

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#Question id: 23847

#Unit 2. Cellular Organization

Which group of external signals regulated by Smooth muscle cells and non-muscle cells?

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#Question id: 255

#Unit 1. Molecules and their Interaction Relevant to Biology

In proteins, amino acids are linked by peptide bonds; in polynucleotides, nucleotides are linked by

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#Question id: 10203

#Unit 6. System Physiology – Plant

Light-response curves of photosynthetic carbon fixation in sun and shade plants. Typically, shade plants have a low light compensation point and have lower maximum photosynthetic rates than sun plants this is because respiration rates in shade plants are very low; which of the following graph is correct?

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#Question id: 10828

#Unit 10. Ecological Principles

Not all parasitism involves feeding on the body of the host. The exception is