Ciliates
A.move by pseudopods
B. are not as varied as other protists
C. have a gullet for food gathering
D. do not divide by binary fusion
E. are closely related to the radiolarians
C. have a gullet for food gathering
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Match the following items with the correct phrases.
_______1. A protein that plays a role in DNA replication. _______2. The end product of transcription. _______3. A protein that plays a role in transcription. _______4. The location of codons. _______5. The location of anticodons. _______6. An integral part of ribosomes, whether or not they are participating in protein synthesis. _______7. Produced in the nucleolus of eucaryotic cells. _______8. The molecule responsible for “activating” amino acids, thus enabling them to be added to the growing polypeptide chain. a. DNA polymerase b. RNA polymerase c. mRNA d. rRNA e. tRNA
What trends occurred in the size of the sporophyte and gametophyte generations as plants became adapted to life on land? How can these trends be explained?
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Gary and Stan are both about 6 ft tall and maintain a weight of 170 lb. Stan works at a desk and, for entertainment, watches a lot of movies. Gary also works at a desk and, for entertainment, plays on a soccer team. Who has a higher resting metabolism,
and why? A) Because they are the same height and weight, their resting metabolisms are the same. B) Stan, because his fat cells burn more calories C) We need to know more about their dietary habits. D) Gary, because his muscle cells burn more calories