Archaea are prokaryotes that are often found in inhospitable conditions such as hot springs and salt marshes
Indicate whether the statement is true or false
TRUE
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Quality control from commercially prepared media includes all of the following except:
a. receipt and verification of storage or transportation conditions. b. visual inspection for discoloration or con-tamination. c. pH the media using litmus paper. d. verification of lot numbers and expiration dates.
Blood leaves the heart and travels through arteries. It returns to the heart via veins. What type of blood vessels connect arteries and veins? Why are these vessels important?
What will be an ideal response?
A needlestick is an example of
A) direct contact. B) droplet transmission. C) indirect contact transmission by fomite. D) direct biological transmission by vector. E) vehicle transmission.
Restriction enzymes are among the most useful tools for molecular biologists. They are examples of endonucleases. How do they differ from general endonucleases?
What will be an ideal response?