True seals rely on their hindlimbs for forward swimming propulsion
Indicate whether the statement is true or false
T
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Malignancies develop step-wise over time because:
A. it takes time for a benign tumor to be able to dissolve through its encapsulation before it can invade neighboring tissues. B. benign tumor cells divide slowly and in a step-wise pattern. C. it takes multiple mutations of multiple genes to allow cancer cells to rapidly divide and invade tissues. D. cells keep leaving the benign tumor and are destroyed in lymph nodes. E. All of these choices are correct.
A D-test is set up on a S. aureus isolate. There was no zone around the Erythromycin disk and the zone of inhibition around the clindamycin disk adjacent to the erythromycin disk was inter-preted as susceptible. Thus, the resistance mechanism for the erythromycin is due to:
a. altered target. b. increased efflux. c. decreased porin channels. d. degradative enzymes.
The DNA sequence ATGCATGC will pair with which of the following RNA strands?
A. UACGUACG B. CGAUCGAU C. AUGCAUGC D. TAGCTAGC E. UAGCTAGC
Cholesterol serves several essential functions in mammalian cells. Which of the following is not influenced by cholesterol?
What will be an ideal response?