Bacterial iron chelating proteins are known as:
A. anaphores
B. siderophores
C. cataphores
D. ionophores
Ans: B. siderophores
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A Barr body exists for the purpose of _____
a. gene dosage compensation b. insuring fertilization c. blocking the activity of the Y chromosome d. turning on the SRY gene e. activating master genes
Macromolecules including sugars, glycogen, and starches composed of sugar monomers linked and cross-linked
together are known as ____. a. carbohydrates b. lipids c. proteins d. fatty acids e. nucleic acids
What is the purpose of sex pili?
a. To transmit DNA between bacteria b. To transmit RNA between bacteria c. To transmit enzymes between bacteria d. To transmit chemical signals between bacteria e. To transmit zygotes or sperm between bacteria
Which is false?
-certain parasomnias may signal the onset of serious medical disorders -in most cases, taking measures such as avoiding sleep deprivation, reducing stress, and ensuring patient safety are very effective -when episodes are frequent, cause distress, and/or impose danger to the patient or their bed partner, chemotherapeutic measures may be taken -Generally symptoms, such as weight gain, do not warrant a referral to a sleep specialist, as measures such as reducing stress can alleviate the problem