Halophiles require high salt concentrations
What will be an ideal response?
Halophilic archaea require 2-4M NaCl
Can grow at an aw of 0.75
Low intracellular [NaCl]
Ion pumps secrete sodium, replace with potassium
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Answer the following:
a. What type of gland secretes a substance through a duct? b. What type of gland releases its product into the interstitial fluid (and bloodstream)?
Which portion of mRNA protects the strand and serves as a ribosome attachment site?
a. promoter b. nucleotide cap c. codon d. transcript e. polymerase
In a particular breed of flowering plants, two genes on the same chromosome determine flower color and leaf color. For flower color, blue (B) is dominant to pink (b), and for leaf color, white (W) is dominant to green (w)
A true-breeding plant with blue flowers and white leaves is crossed with a plant that has pink flowers and green leaves. The offspring are observed and the following phenotypes are tallied. blue flowers and white leaves: 370 plants blue flowers and green leaves: 14 plants pink flowers and white leaves: 12 plants pink flowers and green leaves: 363 plants What is the frequency of recombination between these two genes?
The cross GE/ge × ge/ge produces the following progeny: GE/ge 404, ge/ge 396, gE/ge 97, Ge/ge 103. From these data, one can conclude that the recombinant progeny are gE/ge and Ge/ge
Indicate whether the statement is true or false