Which period is the most recent?

a. Triassic
b. Silurian
c. Devonian
d. Permian
e. Cambrian


A

Biology & Microbiology

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Which of the following is not a type of root?

A. tap B. fibrous C. adventurous D. branch E. lateral

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The synthesis and secretion of ____ is ultimately regulated by gonadotropin-releasing hormone from the ____

a. estrogen; posterior pituitary b. estrogen; ovaries

c. testosterone; hypothalamus d. testosterone; testes e. androgens; gonads

Biology & Microbiology

Which of the following is a character in

phylogeny? a. number of digits b. DNA sequence for a gene c. amino acid sequence of an enzyme d. number of petals e. all of these

Biology & Microbiology

What is the membranous grana made up of?

What will be an ideal response?

Biology & Microbiology