Which type of electromagnetic waves have the shortest wavelength?
a. ultraviolet
b. radio waves
c. microwaves
d. gamma waves
e. green visible light
d
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Which of the following adhesive molecules are found in animal tissues?
A. cadherins and integrins B. pectins C. cadherins D. integrins E. cadherins, integrins, and pectins
The fluid portion of the blood is called
a. plasma. b. formed elements. c. interstitial. d. extracellular matrix. e. exocrine.
AIDS is caused by the retrovirus HIV, which makes DNA complementary to the viral RNA using
a. RNA polymerase b. beta-galactosidase c. RNA synthase d. ATPase e. reverse transcriptase
Snail shell coiling is determined by a MATERNAL EFFECT gene. Snail shells can have either a right-handed (dextral) coiling or a left-handed (sinistral) coiling. Dextral (D) is completely dominant to sinistral (d). Answer the following questions based
upon this information. A sinistral female snail named Eustacia has offspring that are all dextral. What is the Eustacia's GENOTYPE? A) Dd or dd B) DD or Dd C) DD D) Dd E) dd