In which cellular organelle do the three posttranscriptional modifications often seen in the maturation of mRNA in eukaryotes occur?
A) lysosome
B) Golgi
C) cytoplasm
D) nucleus
E) mitochondrion
D
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The different proteins characteristic of breast cancer subtypes can be used as _____ for proper diagnosis and treatment
a. prebiotics b. biomarkers c. DNA clones d. bioinformatic data e. physical maps
Something with a pH of 5 would be ________
A) acidic B) basic C) neutral D) alkaline
Light-harvesting pigments in the chloroplast include chlorophyll and the yellowish accessory pigments called ________
Fill in the blank(s) with correct word
Consider the mechanism by which actin and tubulin polymerize. Which of the items below does not describe something similar about the polymerization mechanisms of actin and microtubules?
(a) Although both filaments can grow from both ends, the growth rate is faster at the plus ends. (b) Depolymerization initiates at the plus ends of filaments. (c) Nucleotide hydrolysis promotes depolymerization of filaments. (d) Free subunits (actin and tubulin) carry nucleoside triphosphates.