What is the order of the cell layers, from most external to most internal?
a. cell wall, cell membrane, capsule
b. cell membrane, capsule, cell wall
c. capsule, cell membrane, cell wall
d. capsule, cell wall, cell membrane
Ans: d. capsule, cell wall, cell membrane
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Which one of the following insect organ systems has placed the greatest limitation on their body size?
A. nervous system B. digestive system C. respiratory system D. reproductive system E. excretory system Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about insects? 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?
Bacteria protect restriction sites in their own DNA from being cut by restriction enzymes by ____
a. synthesizing low quantities of restriction enzymes b. producing restriction enzymes that do not recognize sequences in their own DNA c. chemically modifying bases within the restriction sites d. only activating restriction enzymes when foreign DNA is present in the cell e. inactivating restriction enzymes through phosphorylation
Which of the following is a function of the cytoskeleton?
A. helps a cell keep its shape B. contains DNA C. surrounds the cell D. helps make proteins
Describe the chemical properties of phospholipids that account for their behavior in water
What will be an ideal response?