Which of the following is a defining characteristic of most annelids?

a. chaetae
b. parapodia
c. ctenidia
d. clitellum


a. chaetae

Biology & Microbiology

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They might be conducting such an experiment to _____

A) find the location of a particular gene in the human genome B) prepare to isolate the chromosome on which a particular gene of interest C) find which of the students has which alleles D) measure the expression of one or more genes in their genomes E) determine if any of them carries an extra sex chromosome

Biology & Microbiology

The loading of sugars into phloem goes __________ the concentration gradient and involves

a(n) __________ process.

a. against; active b. against; passive c. with; active d. with; passive

Biology & Microbiology

The lungs lie within the ___ cavity

a. thoracic b. abdominal c. pelvic d. cranial e. spinal

Biology & Microbiology

By using enzymes that destroyed DNA, RNA, or protein, Avery and colleagues were able to determine which of the three molecules was required to transform bacterial cells.  

Answer the following statement true (T) or false (F)

Biology & Microbiology