________ can behave as an enzyme and may have been the first macromolecule leading to the first cells
Fill in the blank(s) with correct word
RNA
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The life-cycle stages of the intestinal trematodes after the eggs are shed from the body via feces are best described as:
a. cercariae, miracidium larva, metacercariae, and redia. b. redia, metacercariae, cercariae, and mira-cidium larva. c. miracidium larva, redia, cercariae, and metacercariae. d. metacercariae, miracidium larva, cercariae, and redia.
Sexual dimorphism means that ____________________
a. males are always larger than females b. females are always larger than males c. there is a size difference between males and females d. males tend to be more “showy” than females
A mother brings a child into the ER with a severe nosebleed that won't stop bleeding. She also tells the doctors that the child bruises very easily in response to very minor accidents. Given the information in the text, the doctor orders some tests and
finds that the young boy has ________. A) leukemia B) hemophilia C) embolus D) anemia
Based on the following descriptions which fall under the domain Bacteria?
> Includes prokaryotes such as S. aureus > Includes fungi, protozoa, and animals > Domain with the closest relationship to the eukaryotic cell domain > Methane-producing bacteria > Extreme prokaryotes > Gram-positive bacteria > Humans