What structure contains the main information storage system of eukaryotes?
A. nucleolus
B. nucleoplasm
C. chloroplast
D. nucleus
D. nucleus
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Four of the five choices listed below are parts of a
leaf. Select the exception. a. stoma b. cuticle c. mesophyll d. node e. petiole
The scientist who first determined the complete amino acid sequence of a protein (insulin) was
a. Christian Anfinsen. b. John Kendrew. c. Linus Pauling. d. Frederick Sanger.
Hyphae form a covering over roots. These hyphae create a large surface area that helps to do which of the following?
A) aid in absorbing minerals and ions B) maintain cell shape C) increase cellular respiration D) anchor a plant
Volumetric thirst is triggered by up-regulation of (A)________, followed by up-regulation of vasopressin from the (B)________________________.
a. (A) TSH (B) magnocellular neurosecretory cells b. (A) TSH (B) OVLT c. (A) angiotensin II (B) magnocellular neurosecretory cells d. (A) angiotensin II (B) OVLT