Cardiac muscle cells are
A. striated
B. both involuntary and striated
C. involuntary
D. voluntary
Answer: B. both involuntary and striated
You might also like to view...
Jet-lagged travelers are often advised to take ______ to restore their normal circadian rhythms
A. melatonin B. glucose C. calcitonin D. cortisol E. thyroxine
Which of the following is evidence for evolution in action?
A. The different domesticated breeds of dogs customized for our needs B. Mosquitoes becoming resistant to pesticides C. Bacteria becoming resistant to antibiotics over time D. All are evidence for evolution
The DNA sequence recognized by restriction endonucleases is generally how long?
a. 1?2 nucleotides b. 4?8 nucleotides c. 10?15 nucleotides d. 24?32 nucleotides e. 36?47 nucleotides
The female part of a flower is known as the ____
a. stamen b. anther c. carpel d. megaspore e. endosperm