Who first demonstrated transformation using mice and two strains of Streptococcus pneumoniae?
A. Hershey and Chase
B. Watson and Crick
C. Jacob and Monod
D. Avery, McCarty, and MacLeod
E. Griffith
Answer: E
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A modification that occurs to a nuclear gene that alters gene expression without modifying the DNA sequence is called _______ inheritance
A. extranuclear B. cytoplasmic C. maternal effect D. epigenetic E. nuclear
If you forgot to apply the safranin counterstain while performing a Gram stain, which outcome would you expect?
A. Gram-positive bacteria would stain pink. B. Gram-negative and Gram-positive bacteria would be unstained. C. Gram-negative bacteria would be unstained. D. Gram-negative bacteria would stain purple.
Which of the following cells are alive at maturity?
a. sieve tube members b. vessel members c. tracheids d. fibers e. sclereids
The location of a gene on a chromosome is called a(n) ________
Fill in the blank(s) with correct word