To retrieve a sample from a culture tube with an inoculating loop, the cap of the tube is ____________________
Fill in the blank(s) with the appropriate word(s)
Answer: Removed with the fingers of the loop hand and placed in the fingers of the tube hand
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According to the Hardy-Weinberg law, the genotype frequencies of dominant homozygotes, heterozygotes, and recessive homozygotes are represented by p2, q2, and 2pq, respectively, where p is the frequency of the dominant allele and q is the frequency of the recessive allele. Explain how this formula was derived
What will be an ideal response?
Radioisotopes have a number of uses in science and medicine. These uses include which one of the following?
A) repairing damaged heart tissue B) dating fossils and treating cancer C) providing the power supply in heart pacemakers D) treating asthma and regulating nerve transmission E) curing diabetes
Phage typing is useful in identifying ________.
A. Clostridium B. Salmonella C. Treponema pallidum D. Streptococcus pyogenes E. Mycobacterium leprae
Indicator bacteria for contaminated water are ________.
A. staphylococci B. all bacteria C. coliforms D. Clostridia