A potato is a type of __________ known as a ___________
A) Modified root, pneumatophore
B) Root, lateral root
C) Modified stem, stolon
D) Modified stem, tuber
Answer: D
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You need to determine if a pure culture of bacteria is gram-positive or gram-negative, but you've just spilled your only solution of crystal violet so you can't do a Gram stain. You decide to try a lysozyme treatment on a sample of each culture and then examine the samples under the microscope. The expected result is
A. gram-positives will lyse and appears as debris; gram-negatives will lose cellular morphology and appear as cocci. B. gram-negatives will lyse and appears as debris; gram-positives will be unaffected. C. gram-negatives will lyse and appears as debris; gram-positives will lose cellular morphology and appear as cocci. D. gram-positives will lyse and appears as debris; gram-negatives will lyse but more slowly. E. gram-positives will lyse and appears as debris; gram-negatives will be unaffected.
Which of these worms are segmented?
A. annelids B. planarians C. roundworms D. flukes E. All worms are segmented
What is the function of the capsule of a bacterial cell?
A) it is used during cell division B) it allows the bacteria to be resist to antibiotics C) is it sued to transfer DNA from one cell to another D) it prevents phagocytosis
Evolution, dictionary definition
What will be an ideal response?