Most viruses cannot be seen by light microscopy.
Answer the following statement true (T) or false (F)
True
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Expression vectors are designed to ensure that ________ can be efficiently ________
A) mRNA / transcribed B) DNA / transcribed C) mRNA / translated D) DNA / translated
Like other members of their phylum, jellyfishes have specialized stinging cells called ____ as part of
their epidermis, which they use to paralyze small prey.
a. choanocytes b. polyps c. cnidocytes d. flame cells e. tentacles
How do the muscles in your arm extend your arm outward?
A) The muscles in your arm push on the bones, causing your arm to extend. B) The muscles in your arm relax, and the tendons pull the arm straight. C) Some muscles in your arm relax, and others contract, pulling the arm straight. D) The top half of your bicep wraps around underneath the elbow like a rope over a pulley. When it contracts, the arm is pulled out straight.
Which of the following hormones are involved in the contraction of smooth muscles
a) Oxytocin b) ADH c) Thyroid Hormones d) Glucocorticosteroids e) None of the above