Which of the following polymers contain nitrogen?
A) starch
B) glycogen
C) cellulose
D) chitin
E) glucose
Answer: D
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What is the difference between an organism being piezophilic and piezotolerant?
What will be an ideal response?
The three-dimensional shape of a protein is determined by the ____ and the results of chemical modifications and
other processing events. a. interaction of R groups b. interaction with other polypeptide chains c. amino acid sequence d. bonds formed with other proteins e. initiation complex
In Labrador retrievers, coat color is controlled by gene interaction in which homozygosity for a recessive allele can mask the phenotypic expression of a second gene
This genetic interaction is known as ________ and has a characteristic ________ ratio. Fill in the blank(s) with correct word
Which of the following statements is true?
(a) Amoebae have transporter proteins that actively pump water molecules from the cytoplasm to the cell exterior. (b) Bacteria and animal cells rely on the Na+-K+ pump in the plasma membrane to prevent lysis resulting from osmotic imbalances. (c) The Na+-K+ pump allows animal cells to thrive under conditions of very low ionic strength. (d) The Na+-K+ pump helps to keep both Na+ and Cl– ions out of the cell.