A cladogram must contain a(n) ________ to serve as a baseline of comparison for the other groups.
Fill in the blank(s) with the appropriate word(s).
outgroup
A cladogram must contain an outgroup to serve as a baseline of comparison for the other groups.
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Which of the following is NOT a feature of
trypanosomes? a. exclusively anaerobic b. single, large mitochondrion c. cause widespread and serious infections of humans and cattle in the tropics d. life cycle involves an intermediate, bloodsucking insect host e. causative agents of Chagas disease and African sleeping sickness
When a myosin head binds to an actin molecule in order to contract a muscle, this is formed: ________
A) myosin filament B) cross-bridge C) actin filament D) troponin
Which developmental sequence is correct?
A) cleavage, blastula, gastrula, morula B) cleavage, gastrula, morula, blastula C) cleavage, morula, blastula, gastrula D) gastrula, morula, blastula, cleavage E) morula, cleavage, gastrula, blastula
One way in which small viruses package more information into a very small genome is to use overlapping genes so that the same base sequence is read in more than one reading frame.
Answer the following statement true (T) or false (F)