Medications and devices that reduce the chance of pregnancy are collectively called _________
Fill in the blank(s) with the appropriate word(s)
Answer: Contraceptives
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Mitochondria have an unusual characteristic for organelles that make them very useful in genetic studies. This characteristic is ________.
A. mitochondria contain their own DNA B. mitochondria are only found in females C. mitochondria produce a lot of ATP D. mitochondria have an unusual membrane
Glacier Bay in Alaska is a fjord whose lowlands were covered by glacial ice until around 230 years ago
As the glacier retreated, glacial till was exposed to plant colonization; remarkably (and fortunately for generations of ecologists), the location of the tip of the retreating glacier has been frequently documented since the late 1700's. This means that scientists have been able to develop a detailed timeline of the changes in the plant community, or _____ in Glacier Bay over time. A. ecological succession B. niche diversification C. niche divergence D. competitive exclusion E. none of these
Vectors usually contain genetic (markers/sequences/probes) such as antibiotic genes or fluorescent tags
What will be an ideal response?
What is the MOST abundant prokaryote in the ocean?
a. Pelagibacter b. Prochlorococcus c. Roseobacter d. Trichodesmium