Chlorophyll is found in which part of the plant cell?
A) stroma B) plasma membrane C) cytoplasm D) thylakoid
Answer: D
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Persons who inherit a gene for extra fingers or toes ____ have the physical manifestation
a. may or may not b. will always c. cannot d. hardly ever e. must
How are cestodes (tapeworms) typically transmitted?
a. larvae in undercooked meat b. communal showers c. coughing and sneezing d. dirt that gets into a cut
Respond to the following statements in reference to the five components of vertebrate blood listed below.
A. This blood component contains hemoglobin. B. Oxygen is transported throughout the body by this blood component. C. This stimulates red blood cell production by bone marrow. D. This blood component engulfs bacteria and cellular debris. E. This blood component helps to transport steroid hormones.
Which of the following statements about plasmids is false?
A) Plasmids are easily manipulated in the laboratory. B) Molecular biologists often use plasmids to generate cell lines that make useful products for medical applications. C) If present, plasmids are always essential to cell survival. D) Plasmids are commonly shared among cells by horizontal gene transfer mechanisms. E) Plasmids are nonchromosomal DNA segments found in bacteria and a number of eukaryotic cells.