Cardiac muscles, one of the three major types of muscles, is found in the walls of the heart. Which one of the following statements is not related to the cardiac muscles? (a) These muscles show rhythmic contraction and relaxation throughout life.
(b) They do not work according to our will, so they are involuntary muscles.
(c) They are non-striated, multinucleated and branched muscles.
(d) The contraction and relaxation of the heart muscles help to pump and distribute blood to different parts of the body.

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

Keeping in mind the life cycle of bacteriophages, consider the following problem: during the reproductive cycle of a temperate bacteriophage, the viral dna inserts into the bacterial chromosome where the resultant prophage behaves much like a trojan horse. it can remain quiescent, or it can become lytic and initiate a burst of progeny viruses. several operons maintain the prophage state by interacting with a repressor that keeps the lytic cycle in check. insults (ultraviolet light, for example) to the bacterial cell lead to a partial breakdown of the repressor, which in turn causes the production of enzymes involved in the lytic cycle. as stated in this simple form, would you consider this system of regulation to be operating under positive or negative control?

Which enzymes break down carbohydrates?