What features of cephalopods have allowed some species to grow to large sizes relative to gastropods?
What will be an ideal response?
The lack of a shell in these animals means that they can grow to large sizes without having to carry a proportionally large and heavy shell. These animals rely on their very strong swimming ability to escape potential predators, which may have precluded the need for a large shell.
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A cell in G0 state is a cell ____
A. that will shortly enter G1 B. that never divides C. that has just finished mitosis but has not yet begun cytokinesis D. in cytokinesis E. just after cytokinesis
Chickenpox is caused by an orthopoxvirus.
Answer the following statement true (T) or false (F)
Biologists can use sequence information to identify open reading frames. How can these open reading frames be identified in a genomic sequence for protein coding genes?
a) by the nuclear matrix attachment regions b) by the start and stop codons for translation c) by the centromeric and telomeric regions d) by the repetitive sequences such as short tandem repeats e) by transposons
Elongation factor, a protein required for eukaryotic (transcription/translation/expression), is the cellular target of the toxin produced by Corynebacterium diphtheriae
What will be an ideal response?