Paired chromosomes in a cell in which members of the pair have genes for the same traits are called
A) Alleles
B) Synapsis
C) Sister chromatids
D) Homologous chromosomes
E) Centrioles
Answer: E) Centrioles
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Many health food stores carry enzyme preparations intended for oral ingestion (by mouth) to supplement existing enzymes in various organs like the liver, heart, and muscle. Use your knowledge of the digestion process to explain why these preparations are unlikely to be effective as advertised.
What will be an ideal response?
Organisms such as Streptococcus pyogenes and Staphylococcus aureus that produce leukocidins are called ________ pathogens
A) pyogenic B) radical C) enterotoxigenic D) hemorrhagic
What is the purpose of the cilia and flagella of cells?
a. They generate the cell’s metabolism. b. They provide movement for the cell. c. They help maintain homeostasis. d. They generate cell signaling. e. They contract muscles
Which of these activities is part of the development of crop plants from wild relatives?
I) people planting seeds of the plants with the characteristic wanted II) people making observations of desired plant characteristics III) people eating products from only the plants with desired characteristics IV) people developing several varieties of crops from a wild relative A) I and II B) I and IV C) I, III, and IV D) I, II, and IV