Albinism is due to the inability to make ________

A) collagen B) tyrosine C) melanin D) hair


Answer: C

Biology & Microbiology

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Which of the following correctly matches the name of a biological clock to the timescale at which it operates OR the type of activity with which it might be associated?

A. annual: tides B. circadian: periodical cicadas C. lunar: feeding, sleeping D. circadian: feeding, sleeping E. lunar: days or years

Biology & Microbiology

Which cell structure is most likely responsible for sensing gravity?  

A.  central vacuole B.  Golgi appartus C.  chloroplast D.  amyloplast E.  apical meristem

Biology & Microbiology

In a colony of 100 guinea pigs, 16 show the recessive trait of bristly hair. What is the frequency of the

recessive allele in the population?

a. .4 b. .16 c. .04 d. .016 e. .2

Biology & Microbiology

Which panel of the figure contains DNA fragments

that will be incorporated into host cells? a. A b. B c. C d. D e. all of these

Biology & Microbiology