Blood pH is kept near a value of 7.3 - 7.5 because of ____
a. salts
b. buffers
c. acids
d. bases
e. water
ANSWER: b
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In which organism is a beta-barrel folding domain most likely to be found?
A. Homo sapiens B. Drosophila melanogaster C. Escherichia coli D. Caenorhabditis elegans E. Saccharomyces cerevisiae
The ________ are prokaryotes that resemble bacteria in size and cell division but are more similar to eukaryotes in DNA replication, transcription, RNA processing, and protein synthesis
Fill in the blank with correct word.
Sponges (phylum: Porifera) are animals that possess feeding cells called collar cells. These cells have a central flagellum surrounded by a collar of microvilli. The collar filters organic matter out of the water column. Which protist shares a more recent common ancestor with the poriferans?
A. Ciliates B. Radiolarians C. Choanoflagellates D. Rhodophyta E. Myxomycota
The type of diabetes that causes the body to destroy its own insulin-producing cells is:
A) Specific types B) Gestational C) Type 1 D) Type 2