Which era is known as the ʺage of reptilesʺ?

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#Question id: 24261

#Unit 2. Cellular Organization

Clock position of amino terminal tail of amino acid is fixed, so which of the following is correctly showing the position of H4

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#Question id: 937

#Unit 1. Molecules and their Interaction Relevant to Biology

Glutamate dehydrogenase has different roles in different organisms. Which of these listed is mismatched?

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#Question id: 4680

#Unit 3. Fundamental Processes

A protein is a transcriptional activator,  which binds to a site upstream of a promoter called PRE and stimulates transcription of the cI (repressor) gene. This activator protein is

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#Question id: 5830

#Unit 8. Inheritance Biology

Base-pair additions and deletions are collectively referred to as ___ due to their changes in base-pair triplets.

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#Question id: 4725

#Unit 8. Inheritance Biology

Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?