Competition among individual members of the same species is referred to as ________ competition
Fill in the blank(s) with correct word
intraspecific
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Anaerobic organisms live in ____ areas
a. nitrogen-free. b. oxygen-rich. c. oxygen-free. d. hydrogen-free. e. carbon-free.
The chromosomal structure that anchors the spindle fiber to the chromosome is known as the
____________________. Fill in the blank(s) with the appropriate word(s).
Which of the following statements is FALSE regarding a rightward shift in the hemoglobin-oxygen dissociation curve?
A) Affinity for oxygen is decreased. B) Hemoglobin unloading of oxygen is increased. C) It can be caused by a decrease in 2,3-BPG. D) Oxygen loading onto hemoglobin is decreased. E) A rightward shift usually occurs in active tissue.
A single, simple, recessively inherited mutation inactivates the enzyme that converts phenylalanine to tyrosine. Homozygous recessive individuals possess an excessive amount of phenylalanine and a deficiency of tyrosine. Additionally, these individuals may be mentally deficient, have abnormally light hair and abnormally light skin color. This disorder is an example of
A. incomplete penetrance. B. incomplete dominance. C. pleiotropy. D. polygenic inheritance.