Which of the following structures allow aquatic bacteria to orient themselves in the Earth's magnetic field?
A) Carboxysomes
B) Gas vacuoles
C) Magnetosomes
D) Polyphosphate granules
Ans: C) Magnetosomes
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What produces four daughter cells?
A. Meiosis B. Mitosis C. Both of these D. Neither of these
Comparison of mitosis and cytokinesis in animal versus plant cells reveals ____
a. sister chromatids are identical in animal cells, but they differ from one another in plants b. a cleavage furrow is initiated in an animal cell, while a cell plate begins to form in plant cells during telophase c. in animal cells, chromosomes do not become attached to the spindle until anaphase, whereas chromosomes become attached to the spindle at prophase in plant cells d. the nuclear envelope disintegrates in prophase in animal cells, but remains intact in plant cells e. There are no differences between animal and plant cells.
The probability of producing a phenotypically normal child by two parents who are carriers for an
autosomal recessive disorder is a. 50 percent. b. 0 percent. c. 100 percent. d. 25 percent. e. 75 percent.
Regular refrigeration does not inhibit the growth of ________ microbes that can continue to grow and cause food spoilage.
What will be an ideal response?