What structure contains the main information storage system of eukaryotes? 

A. nucleolus
B. nucleoplasm
C. chloroplast
D. nucleus


D. nucleus

Biology & Microbiology

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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

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology