Phycobiliproteins are
A. found in purple sulfur bacteria.
B. found in cyanobacteria.
C. used to gather wavelengths of light that are not well absorbed by chlorophyll.
D. are used to reduce hydrogen sulfide.
E. found in cyanobacteria AND used to gather wavelengths of light that are not well absorbed by chlorophyll.
E
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Which of the following is not true of vectors?
A. They contain a gene for drug resistance. B. An origin of replication (ORI) is present. C. They are easy to manipulate. D. They can detect RNA in cells. E. They must accept DNA of desired size.
Which of the following is not found in a eukaryotic promoter?
A) -10 box B) TATA box C) GC box D) CAAT box E) None of these
In the prenatal diagnostic technique amniocentesis,
A) a needle is inserted into the umbilical cord to collect fetal blood for screening. B) a thin, flexible tube connected to a needle is inserted through the vagina and into the uterus to collect a tissue sample. C) fetal blood is collected directly from the chorionic villi near the cervix. D) a needle is inserted through the abdominal wall to collect amniotic fluid containing fetal cells. E) the procedure cannot be performed after the fifteenth week of gestation.
Develop a scenario different from that in the book that demonstrates a survival benefit of each of the following types
of learning: classical conditioning, operant conditioning habituation, imprinting, and insight. What will be an ideal response?