Which of the following bacterial cell structures plays an important role in the creation of biofilms?
A) glycocalyces
B) flagella
C) fimbriae
D) pili
E) both fimbriae and glycocalyces
E
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At one point in human development, tissue connects the fingers, giving the hand a “webbed” appearance. Enzymes
eventually destroy the cells of the webbing and the fingers separate. These enzymes are probably localized in the ____.
a. chromosomes b. smooth endoplasmic reticulum c. lysosomes d. nucleus e. vacuoles
As filtrate moves down the loop of Henle, the surrounding interstitial fluid becomes _____ concentrated than the filtrate, so _____ leaves the filtrate.
Fill in the blank(s) with the appropriate word(s).
Valeria has a serious disorder called fragile X syndrome and her brother does not have the disorder
Her mother does not have the disorder but her father does. What is the most likely inheritance pattern for fragile X syndrome? A. Autosomal dominant D. X-linked recessive B. Autosomal recessive E. Y-linked recessive C. X-linked dominant
A codon of mRNA consists of three bases that code for an amino acid
Indicate whether the statement is true or false