Which of the following types of plant hormones is apparently synthesized from carotenoid pigments
inside plastids?
a. salicylic acid
b. cytokinins
c. abscisic acid
d. jasmonates
e. brassinosteroids
C
Biology & Microbiology
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Which of the following is a characteristic of octopuses and squid?
a. an open circulatory system b. a closed circulatory system c. the presence of mesohyl d. a single heart
Biology & Microbiology
The genetic description of the HIV is a retro RNA Strand
a. true b. false
Biology & Microbiology
Crossing over occurs during ________ and is important because it ________
A) prophase I; generates variation B) metaphase I; reduces the chromosome number by half C) anaphase II; separates the homologous pairs D) telophase II; creates daughter cells
Biology & Microbiology
Lipids act as _________ ______ within organisms; example: cell membrane is made up of lipids. fats
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology