You are given an embryo with eight cells and you carefully separate them and allow them to develop in separate containers. Each of the cells forms a complete embryo that develops normally into an adult animal. How would you categorize your animal?
A. It has indeterminate cleavage.
B. It has determinate cleavage.
C. It is a protostome.
D. It is an annelid, mollusk, or arthropod.
E. It has spiral cleavage.
A. It has indeterminate cleavage.
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TCA cycle enzymes are found in the ________ of eukaryotic cells.
Fill in the blank(s) with the appropriate word(s).
Quaternary ammonium compounds are
A. cationic detergents that help wash surfaces. B. attracted to the negative charge on the microbial cell surface. C. used as a 37% aqueous solution. D. very effective against Pseudomonas. E. cationic detergents that help wash surfaces AND attracted to the negative charge on the microbial cell surface.
The unique characteristics of ribosomes include
_____ composition of two subunits. _____ an RNA composition. _____ the cytosol site where all ribosomal components are produced. _____ ribosomal proteins being produced in the cytosol. _____ ribosomes being made of proteins, lipids and carbohydrates.
In eukaryotic cells, transcription occurs
A. on spliceosomes. B. on the surface of the plasma membrane. C. on the surface of the nuclear membrane. D. inside the nucleus. E. on ribosomes.