Vestimentiferan worms filter feed on nearby suspended chemosynthetic bacteria
Indicate whether the statement is true or false
F
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Ions can be moved against the concentration gradient to create a difference in charge across that membrane. Later, the electrochemical gradient can be exploited by the cell to drive other processes. Respectively, what are these two mechanisms called?
a. primary passive transport, secondary passive transport b. primary sodium transport, secondary potassium transport c. primary active transport, secondary active transport d. primary electrical transport, secondary electrical transport
Two organisms, AABBCCDDEE and aabbccddee, are mated to produce an F1 that is self-fertilized. If the capital letters represent dominant, independently assorting alleles. How many different genotypes will occur in the F2?
A) 243 B) 1024 C) 64 D) 32 E) 25
What term is used to express the idea that several genes exert influence over the same characteristic?
A) terminal interaction B) gene interaction C) transformation D) co-adhesion E) coextension
Which is true about due dates?:
-Quizzes can be taken after the due date -Assignments are never accepted after the due date -Due dates are not posted in the schedule; they are only found in the syllabus -Due dates may change, if this happens, students will be informed by email and in an announcement.