In most clear waters, 1% of surface light can penetrate to:
a. 10 m.
b. 20 m.
c. 50 m.
d. 75 m.
e. 100 m.
E
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Use of succinylcholine as an anaesthetic is very dangerous for people with a genotype for the fastacting
form of the enzyme serum cholinesterase Indicate whether the statement is true or false.
Which of the following is a DNA palindrome?
a) 5'GAAATTTC-3' b) 5'ACGTACGT-3' c) 5'AATTTTAA-3' d) 5'AAAATTTT-3' e) All of the above are palindromes
Bacterial and archaeal ribosomes are known as ________ ribosomes, based on their sedimentation coefficient.
A. 70S B. 50S C. 30S D. 80S
Microbes can be challenging to study because they often grow in complex communities and it may be difficult to separate the various species from one another to study individually. Which of the following laboratory "tools" or techniques may be of the the most help with separating out different species from complex mixtures?
A) Use of enriched agar for culture B) Use of light microscopy C) Use of transmission electron microscopy D) Use of selective agars for culture