Which of the following represents the best definition for microbial death?
A. The organism no longer retains its original shape and structures.
B. The organism will not grow on minimal medium.
C. The organism will not grow on a medium that normally supports its growth.
D. None of these adequately describe microbial death.
Answer: C
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The chemicals that attract neutrophils to a site of infection are called ____________________
Fill in the blank(s) with correct word
What is the function of protein kinase C (PKC) in gene regulation?
a. PKC triggers apoptosis in cells exhibiting malformed RNA molecules. b. PKC binds to NF-?B, inhibiting it from entering the nucleus for RNA transcription. c. PKC phosphorylates I?-B, preventing it from inhibiting RNA transcription. d. PKC is the transcription factor that initiates RNA transcription in the nucleus.
Which of the following is an advantage of the human circulatory system over the circulatory system of tarantulas?
a. The human system functions under lower pressure. b. The human system requires less energy to operate. c. The human system allows direct contact between tissues and blood. d. The human system can direct the relative amount of flow of blood to different organs. e. The human system permits more rapid exchange of gases between respiratory pigment and tissues.
Which statement about asexual reproduction is true?
a. The advantage of asexual reproduction is that it results in new gene combinations. b. Two parents are required for successful asexual reproduction. c. The process of meiosis takes place in the parent and results in four haploid cells. d. The offspring of asexual reproduction are genetically identical to the parent. e. Asexual reproduction requires the fusion of two haploid gametes.