A.   Chloroplasts

        B.   Mitochondria

        C.   Golgi apparatus

        D.   A, B & C

        A.   transfer RNA molecules

        B.   ribosomal subunits

        C.   histones

        D.   messenger RNA (mRNA) molecules

        A.   turn genes on (and off)

        B.   cut out intron regions and splice the exon regions

        C.   store calcium

        D.   assemble ribosomes

        A.   The Sarcoplasmic reticulum consists of networks which branched to form network of enzymes.

        B.   Sarcoplastic reticulum is a type of smooth Endoplasmic reticulum.

        C.   The SR contains large deposit of toxins which must be diffused.

        D.   Sarcoplastic reticulum contains large deposit of iron, which it sequesters and then releases when the muscle cell is stimulated.

        A.   It means that prokaryotic cell requires few genes to operate.

        B.   It means that prokaryotic cells have large ribosomes and a specific collection of different proteins.

        C.   It means that prokaryotic DNA is circular and has no end.

        D.   It means that it has no histones associated with it, and it is not formed into chromosomes.

        A.   cisternal maturation model

        B.   membrane-bound model

        C.   endomembrane system model

        D.   ribosomal model

        A.   saminoglycans; glycoprotein

        B.   proteoglycan; glycosaminoglycans

        C.   glycosaminoglycans; proteoglycan

        D.   sulfation; proteoglycan

        A.  Golgi

        B.   Cisternae

        C.   Lysosomes

        D.   Nucleotide sugars

        A.   Both contain DNA in circular plasmids

        B.   Mitochondria and chloroplasts each contain their own genome.

        C.   The genome of each organelle is separate and distinct from the nuclear genome of a cell.

        D.   A, B & C

        A.   Mitochondria generate the cell's energy by oxidative phosphorylation.

        B.   Mitochondria generate the cell's energy by splitting into two.

        C.   Mitochondria generate the cell's energy by carboxylation.

        D.   Mitochondria generate the cell's energy through the cystosol.

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