In a synergistic relationship, the action of one microbe favorably affects another, but the first microbe receives no benefit.

Answer the following statement true (T) or false (F)


False

Biology & Microbiology

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Individuals with one sickle cell allele and one normal hemoglobin allele are not affected by the malaria parasite

because of ____.

a. neutral mutations b. heterozygote advantage c. frequency-dependent selection d. disruptive selection e. stabilizing selection

Biology & Microbiology

When phenotypes are favored at one extreme of a normal distribution, __________ selection occurs

a. stabilizing b. directional c. disruptive d. frequency-dependent e. abnormal

Biology & Microbiology

What is a challenge that organisms living in an intertidal zone face that other aquatic organisms normally do not face?

A. damage from pollution B. changes in temperature at different depths C. movement of water D. light penetrating only through the photic zone E. daily changes in water depth

Biology & Microbiology

Luteinizing hormone (LH) triggers ovulation in females. What is its role in males?

A. It exists in rudimentary levels since LH is made by the anterior pituitary. B. It controls production of testosterone. C. It does not exist since males lack ovaries. D. It is exactly the opposite chemical from male hormones, in an antibody-antigen fashion.

Biology & Microbiology