Which of the following has a nucleoid region?

These joints are usually highly moveable. They have a fluid-filled capsule of connective tissue

surrounding them.

a. synovial joints b. cartilaginous joints c. fibrous joints d. non-synovial joints e. non-fibrous joints

When an allele's effect on a trait masks that of an allele paired with it, the first allele is referred to as

a. dominant. b. recessive. c. codominant. d. incompletely dominant. e. hybrid.

The light-independent reactions of photosynthesis are those that

A. convert CO2 into reduced molecules (sugars). B. occur only at night. C. convert water into hydrogen and oxygen. D. convert glucose into energy. E. convert chlorophylls into light energy.

Genes in eukaryotic cells often have intronic sequences coded for within the DNA. These sequences are ultimately not translated into proteins. Why?

(a) Intronic sequences are removed from RNA molecules by the spliceosome, which works in the nucleus. (b) Introns are not transcribed by RNA polymerase. (c) Introns are removed by catalytic RNAs in the cytoplasm. (d) The ribosome will skip over intron sequences when translating RNA into protein.