Maturation of stem cells into mature blood cells occurs in the red bone marrow
Indicate whether the statement is true or false
TRUE
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If you want to affect chromatin packaging, which amino acid could you mutate to affect both histone acetylation and methylation patterns?
A) arginine B) methionine C) histidine D) lysine E) asparagine
Which of the following are incorrectly paired?
a. heroin?premature births and low birth weight b. thalidomide?babies born without toes c. accutane?associated with malformations of the brain d. cocaine?constricts fetal arteries, which leads to retarded development e. cigarette smoking-an addiction to nicotine
In order to protect an mRNA from nuclease activity in the cytosol of a cell, a(n) ________ is added to the 3' end during RNA processing
Fill in the blank with correct word.
The ribosomes of the rough endoplasmic reticulum (rough ER) are targeted to the cytoplasmic side of the membrane via
a. a signal sequence within the 28S ribosomal RNA. b. a sequence within the protein being synthesized. c. the S6 ribosomal protein. d. the cap sequence at the 5?end of the mRNA being translated.