Which particle is able to freely cross the plasma membrane?
a. Na+
b. Clc.
oxygen
d. glucose
e. amino acids
ANSWER: c
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Where are lysosomal enzymes synthesized?
A. on the rough endoplasmic reticulum B. in the cytosol C. on the Golgi apparatus D. in a vesicle
Some strategies for protecting endangered species include the use of DNA profiling to identify illegally traded animal parts and assisted reproduction techniques to help boost population numbers. These techniques are examples of _____
a. biotechnology b. gene pooling c. biosynthetics d. environmental forensics e. DNA cloning
Anaphylactic shock can be controlled by an immediate injection of histamine
a. True b. False
Which is an ncRNA that functions as a guide?
A. telomerase RNA component (TERC) B. ribosomal RNA (rRNA) C. microRNA (miRNA) D. x inactive specific transcript (Xist)