Acidic dyes
A) work best in low pH environments.
B) are negatively charged.
C) are used for staining negatively charged molecular structures.
D) are lipid soluble.
E) are negatively charged and work best at low pH.
E
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The spinal cord transmits information between peripheral nerves and the:
a. sympathetic nervous system b. autonomic nervous system c. parasympathetic nervous system d. white matter e. brain
Xylem tissue may contain each of these cell types, except which?
A. rays B. fibers C. tracheids D. sieve cells E. vessel members
Usually, the first procedure a genetic counselor performs for a client is _____
a. amniocentesis b. construction of a karyotype c. biochemical testing d. construction of a pedigree based on family and medical histories e. ultrasonic imaging
TPOX is one of the STRs that is used to compare DNA between different people. Why is TPOX useful for comparing DNA between different people?
A) TPOX varies in the number of repeats between different people. B) TPOX varies in sequence between different people. C) TPOX is only present in some people's genomes. D) TPOX is present in different places in different people's genomes.