T or F: the knee has 2 degrees of freedom
What will be an ideal response?
False
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A rhizome is a horizontal aboveground stem
____________________ Indicate whether the statement is true or false.
The average vital capacity for college-aged males is
A) 2.8 L. B) 3.4 L. C) 4.2 L. D) 4.8 L.
Factors that help to limit growth of woody plants in temperate grasslands include
A) nutrient-poor soil and high insect diversity. B) fires and grazing by large mammals. C) large numbers of cacti and small numbers of grazing mammals. D) mild winters and low annual precipitation.
UV rays from the sun cause a specific type of improper base pairing called a thymine dimer. If a cell cannot correct this problem, the section of DNA can be removed, causing a deletion of several nucleotides. What will this cause?
A) A point mutation forms that leads to changes in a handful of amino acids. B) The codons could shift by one letter, and all the codons after that point would be off. C) A point mutation forms that leads to a change in one amino acid. D) The codons shift by one letter, and all the codons before the mutation are changed.