In all deuterostomes, the cells divide parallel to and at right angles to the polar axis. This pattern is called ________.

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


radial cleavage

Biology & Microbiology

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Four of the five answers listed below are related by a common number. Select the exception

a. number of nucleotides in a codon b. number of building blocks (parts) in a nucleotide c. number of stop codons d. number of types of DNA e. number of types of RNA

Biology & Microbiology

Recombination analysis allows for the mapping of genes because the frequency of crossing over is proportional to what distance?

What will be an ideal response?

Biology & Microbiology

Which of the following regulates salt balance?

A) ADH B) aldosterone C) atrial natriuretic hormone (ANH) D) renin E) both aldosterone and ANH

Biology & Microbiology

Recent evidence suggests that hydrogenosomes and mitochondria evolved from different endosymbiotically derived organelles.

Answer the following statement true (T) or false (F)

Biology & Microbiology