The enzyme ________, that is found in tears and saliva, can hydrolyze the bonds in the glycan chains of certain bacterial cell walls.
Fill in the blank(s) with the appropriate word(s).
lysozyme
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A cell biologist produces a karyotype of mouse somatic cells arrested in mitosis. She sees 40 chromosomes, which is completely normal for mice. Based on this information, what is the haploid number of chromosomes for mice?
A. 10 B. 20 C. 40 D. 80 E. It cannot be determined from the information provided Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about diploid cells? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Homologues of the Nascent-chain-associated chaperone (NAC) protein folding system are found in bacteria, eukaryotes, and archaea.
Answer the following statement true (T) or false (F)
Imagine you are entering a darkened cavern. You are excited, but also a little nervous. Your heart rate quickens, your blood pressure rises slightly, and your digestive system activity decreases as blood is diverted to your muscles—all changes that prepare you should you need to move rapidly. This type of change is an example of:
A. positive feedback control. B. negative feedback control. C. a failure of homeostasis. D. feedforward regulation. E. open loop feedback.
Which are the four types of animal tissues that develop into specialized structures?
a. Nervous, muscle, connective, and epithelial b. Nervous, transport, connective, and epithelial c. Nervous, muscle, reproductive, and connective d. Nervous, muscle, reproductive, and epidermal