Which of the following structure(s) is (are) NOT found in prokaryotic cells?
A. Cell membrane
B. Chromosome
C. Plasmids
D. Polymer consisting of sugars (N-acetylglucosamine and N-acetylmuramic acid) and peptide chains of three to five amino acids
E. Mitochondria
Ans: E. Mitochondria
You might also like to view...
The sliding filament model of muscle contraction explains that:
A. Tropomyosin must be removed from the actin molecule before it can bind to myosin. B. Muscle contraction requires energy in the form of GTP. C. The sarcomere stretches to create contraction. D. Actin filaments slide past myosin, causing the shortening of the muscle fiber.
Wings of birds and butterflies have similar functions, but different evolutionary origins. They are:
A. physiological structures. B. homologous structures. C. phylogenetic structures. D. analogous structures.
Figure 8.17
The accompanying figure represents ____.
A. cloning with a stem cell B. somatic cell nuclear transfer C. genetic manipulation of a single gene D. microsurgical manipulation of a chromosome E. embryonic cloning
Ciprofloxacin is used to treat viral respiratory infections.
Answer the following statement true (T) or false (F)