Which of the following statements describes the mitochondrial matrix?
(a) It is permeable to molecules with molecular mass as high as 5000 daltons.
(b) It contains transporters for ATP molecules.
(c) It contains proteins that are released during apoptosis.
(d) It contains enzymes required for the oxidation of fatty acids.
(d)
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The matrix is to the mitochondrion as the ________ is to the chloroplast
Fill in the blank with correct word.
In Drosophila, the allele red eyes (bw+) is dominant to the allele for brown eyes (bw). At another gene locus on the same chromosome, the allele for thin wing veins (hv+) is dominant to the allele for heavy wing veins (hv). Flies homozygous for bw and hv+ are crossed to flies homozygous for bw+ and hv to obtain doubly heterozygous F1 progeny.Given that these two gene loci are very closely linked, the phenotypic ratio in the F2 generation should be closest to
A. 3 red eye, thin wing veins: 1 brown eye, heavy wing veins B. 1 brown eye: 1 red eye: 1 heavy wing veins: 1 thin wing veins C. 1 brown eye, heavy wing veins: 2 red eye, thin wing veins: 1 brown eye, thin wing veins D. 1 brown eye, thin wing veins: 2 red eye, thin wing veins: 1 red eye, heavy wing veins
A clinical microbiologist makes serial dilutions of several antimicrobics in broth, and then incubates each drug dilution series with a standard amount of a patient's isolated pathogen. What is this microbiologist setting up?
A. minimum inhibitory concentration (MIC) B. therapeutic index (TI) C. antibiogram D. Kirby-Bauer test E. E-test
The molecule that an enzyme acts upon is known as its
A. substrate. B. coenzyme. C. apoenzyme. D. product. E. catalyst.