Membranous sacs that contain fluids or particles for transport are called the _____.
A) plastids
B) lysosomes
C) vesicles
D) peroxisomes
Ans: C) vesicles
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____ are accessory pigments in photosynthesis that reflect blue and red wavelengths best
a. Carotenoids b. Phycobilins c. Anthocyanins d. Chlorophyll b e. Chlorophyll a
Which organisms have a hydrostatic skeleton with a
soft body wall? a. earthworms b. spiders c. sponges d. crabs e. insects
A monohybrid cross is
a) the second generation of a self-fertilized plant. b) a breeding experiment in which the parental varieties have only one trait in common. c) a breeding experiment in which the parental varieties differ in only one character. d) a triploid plant that results from breeding two very different plants. e) a breeding experiment in which the parental varieties have only one prominent trait.
The process that causes embryonic cells to produce signals that alter the behavior of neighboring cells is known as
____. a. contact inhibition b. ooplasmic localization c. embryonic induction d. pattern formation e. gene splicing