A radula is a specialized feeding organ used to scrape material off of food for ingestion, much like a cheese grater scrapes shreds off of a block of cheese. Snails, which have this structure, are thus which kind of feeder?

A) suspension feeder
B) fluid feeder
C) deposit feeder
D) mass feeder


Answer: D

Biology & Microbiology

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In the U.S., the ____________________, a standardized set of thirteen STR alleles, is used to generate DNA profiles for legal cases

Fill in the blank(s) with correct word

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Because glucose is a large molecule, it crosses the membrane through ____________________ diffusion. Fill in the blank(s) with the appropriate word(s)

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Gene therapy used to introduce foreign DNA into cells is done for what purpose?

What will be an ideal response?

Biology & Microbiology

The thing that distinguishes one element, such as chlorine, from another, such as neon, is the number of:

A) protons in the nucleus. B) protons and neutrons in the nucleus. C) electrons. D) protons, neutrons, and electrons. E) neutrons in the nucleus.

Biology & Microbiology