DNA and its attached proteins are known as ____
a. nucleoli
b. the nuclear envelope
c. chromatin
d. nucleotides
e. genes
ANSWER: c
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Which of the following statements is FALSE?
a. Crossing over tends to reduce the frequency that two linked genes are inherited together. b. Independent assortment of homologous chromosomes during meiosis increases variation. c. Crossing over leads to variation. d. Abnormal number or structure of chromosomes may influence the course of evolution. e. The closer together genes are found on a chromosome, the greater is a chance that crossing over will occur between them
Where are phospholipids most likely found in a prokaryotic cell?
A)Flagella B) Around organelles C) Ribosomes D) Plasma membrane E) B and C
During the cycling of phosphorus, phosphorus does not enter __________ in appreciable amounts
a. the atmosphere b. the groundwater c. organisms d. marine sediments e. the ocean
Why is it necessary to take an interdisciplinary approach to studying biology?
A. Research methods used to solve many biological questions often require a number of different types of approaches and the expertise of a variety of scientists. B. Interdisciplinary approaches are required to answer all scientific questions since all disciplines borrow knowledge from each. C. An interdisciplinary approach is the only way we can further our biological knowledge.