A flower has four copies of each chromosome. This is an example of ________
Fill in the blank(s) with correct word
polyploidy
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Answer the following statements true (T) or false (F)
1. All plant cells contain centrioles. 2. The presence of a cell wall and chloroplasts are two features that distinguish a plant cell from an animal cell. 3. The genome rather than proteome most specifically determines how a cell looks and functions. 4. The glycocalyx is a protective coating that prevents bacteria from dehydration and potential destruction by the host organism.
What information cannot be determined from the DNA sequence of a cDNA clone?
A) exon sequences B) sequence of the promoter C) similarity to previously identified sequences D) amino acid sequence of the encoded polypeptides E) sequence of the spliced mRNA transcript
Which of the following does NOT cycle through an ecosystem?
a. water b. carbon c. energy d. phosphorus e. nitrogen
Describe how the structure of the bacterial cytoplasmic membrane relates to its function of selective permeability.
What will be an ideal response?