Enlargement of the left ventricle due to chronically elevated blood pressure is called:
A) atrophy.
B) dysplasia.
C) hyperplasia.
D) hypertrophy.
Ans: D) hypertrophy.
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Answer the following statements true (T) or false (F)
1. Restriction enzymes bind to specific sequences of DNA to seal them together. 2. Most plasmids used in biotechnology contain a selectable marker such as an antibiotic-resistance (ampR) gene. 3. A DNA library is known as a genomic library when it is derived from mRNA. 4. If a large protein is run on a gel slab and subjected to electrophoresis, one would expect to find its band towards the top of the gel.
To isolate anaerobic gram-positive organisms, which of the following media should be used?
a. Anaerobic blood agar b. Cycloserine cefoxitin fructose agar (CCFA) c. Laked kanamycin-vancomycin (LKV) blood agar d. Anaerobic phenylethyl alcohol agar (PEA)
Answer the question using the accompanying figure. Llamas, which are customarily known as mountain dwellers, have
hemoglobin with higher O2 binding affinity than that of humans. How would the llama hemoglobin-O2 dissociation curve differ from that of a human?
What will be an ideal response?The rapid evolution of bacteria and fungi in certain environments is used in the field of:
a. bioremediation. b. plant genomics. c. medical diagnostics. d. human disease genetics. e. human genome sequencing.