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
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
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.