Who challenged the case for spontaneous generation with the concept of biogenesis?

a) Pasteur
b) Virchow
c) Redi
d) Needham


Ans: b) Virchow

Biology & Microbiology

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Which structure is incorrectly paired with its tissue system?

a) companion cell - ground tissue b) palisade parenchyma - ground tissue c) guard cell - dermal tissue d) tracheid - vascular tissue e) root hair - dermal tissue

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Cells that shrink in hypertonic solutions such as salt water are responding to ______ pressure.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

A change in the genetic material that involves the insertion or deletion of one or more nucleotides in a gene, resulting in a change in the triplet grouping of a nucleotide

What will be an ideal response?

Biology & Microbiology

Closely packed fat cells

What will be an ideal response?

Biology & Microbiology