Contracts about 70 times per minute

a. cardiac
b. skeletal
c. smooth
d. none of the above

Abanana can be an excellent source of potassium in our diet. there is a naturally occurring, long-lived, radioactive isotope of potassium, 40-19k, which has a natural abundance of 0.0117% and a half-life 1.27 billion years. estimate the activity of a typical banana due to this potassium isotope assuming that most of the mass is in stable potassium.

Mary has spontaneously decide to make a meal for friends. she is beginning to prepare fin fish and realizes she wants to also prepare a hearty dish ready to serve at the same time. what should she prepare? a: rice which take 20 minutes b: past which takes 15 minutesc: baked potatoes, which take 50 minutes. d: grilled garlic bread, which takes 5 minutes. e: boiled dumplings, which takes 17 minutes.

Explain why methicillin resistant staphlococcus aureus (mrsa) is more prevalent now than it was only 30 years ago. a. antibiotics cause mutations in staphlococcus aureus that lead to an increase in the number of methicillin-resistant strains. b. methicillin resistance causes an infection to spread more rapidly. c. frequent and inappropriate use of methicillin-type antibiotics has provided selective pressure that has resulted in an increase in the proportion of methicillin-resistant strains of staphlococcus aureus. d. diseases like aids have made people more vulnerable to infections from staphlococcus aureus.