If you tagged organic carbon inside a chloroplast with a fluorescent label, the location most likely to have a high concentration of labeled carbon would be in the

A. Inside the thylakoid
B. Stroma
C. Thylakoid membrane
D. Between the outer and inner membranes


Answer: B

Biology & Microbiology

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Life probably would never have emerged on Earth if

the ancient atmosphere had been the same as the present one in regard to a. carbon dioxide. b. hydrogen. c. oxygen. d. nitrogen. e. carbon monoxide.

Biology & Microbiology

On average, humans differ by _____________________% of their genomic sequences. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Scientists are attempting to make a chicken look like a dinosaur ("dino-chicken") by using drugs or proteins to turn on certain homeotic genes in somatic cells during the development of a chicken embryo. If the scientists are successful in creating both

male and female "dino-chickens," and then the "dino-chickens" mate, what type of offspring would the two "dino-chickens" have? A) a male or female "dino-chicken" B) a male or female normal chicken C) You can't know for sure because of random fertilization. D) You can't know for sure because it depends on whether the modified homeotic genes are dominant or recessive.

Biology & Microbiology

Using the figure below, please identify the amino acid composition generated from the following RNA se-quence: CGA GGC UUA ACG

a. arginine-glycine-leucine-threonine b. arginine-glycine-phenylalanine-threonine c. proline-glycine-leucine-threonine d. proline-glycine-leucine-serine e. None of the above

Biology & Microbiology