The graph in the accompanying figure would best be described as:
a. being characteristic of exponential growth.
b. being characteristic of arithmetic growth.
c. an S-shaped curve.
d. a J-shaped curve.
e. being a J-shaped curve characteristic of exponential growth
e
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When UV radiation damage occurs, DNA repair occurs only in the absence of template instruction
Indicate whether the statement is true or false.
Answer the following statement(s) true (T) or false (F)
1. Researchers in England found that, for three out of four habitat types they were studying, the most efficient strategy was to create a system of stepping stones linking existing habitat clusters. "Stepping stones" are a type of corridor. 2. The degree of allelic diversity of a population is independent of its size. 3. If the tilt of Earth's axis relative to its plane of orbit was increased to 30 degrees, the seasons in Boston would become less distinct. 4. Homo sapiens have existed on earth for 2% of the earth's history. 5. Prokaryotic organisms were the only life-forms present on earth for almost 2 billion years. Multicellular eukaryotes have only been around for about 25% of earth's history
Much medical advice towards heart health indicates that you should eat less sodium (table salt). Notable higher risks of high sodium may include high blood pressure and damage to arteries or organs in your body. If you eat a single meal with large amounts of salt to suit your taste, which of these may result within minutes, as the sodium enters your bloodstream?
A. Your blood will become hypotonic, and water in your body tissues will flow into your arteries, inflating them. B. Your blood will become hypertonic, and water in your body tissues will flow into your arteries, inflating them. C. Simple diffusion of water and sodium will both balance in an isotonic condition between arteries and body tissues. D. You should expect no change in the concentration gradient because of a single meal, rather than lifestyle and diet. E. Your blood will become hypotonic, and water in your arteries will flow into your tissues, inflating them.
In panel 4, the base-paired DNA fragments are joined together with ____
a. DNA polymerase b. RNA polymerase c. reverse transcriptase d. DNA ligase e. restriction endonuclease