Ques:Answer the following question given this paragraph: The two members of a given pair of chromosomes are called homologous chromosomes . We get one of each homologous pair, or 23 chromosomes, from our father. We get the other one of each pair, or 23 chromosomes, from our mother. A gamete must have the haploid number of chromosomes. That way, when two gametes unite, the zygote will have the diploid number. How are haploid cells produced? The answer is meiosis. Q: The two members of a given pair of chromosomes are called what? Choices: - tissue chromosomes - divergant chromosomes - isolated chromosomes - homologous chromosomes A:

Ans:homologous chromosomes
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Ques:Answer the following question given this paragraph: Mollusks are divided into ten living classes, including the familiar gastropods, cephalopods, and bivalves. Q: Gastropods, cephalopods, and bivalves are examples of what class? Choices: - animals - invertebrates - cetaceans - mollusks A:

Ans:mollusks
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Ques:Answer the following question given this paragraph: Group 13 of the periodic table is also called the boron group because boron (B) is the first element at the top of the group (see Figure below ). Boron is also the only metalloid in this group. The other four elements in the groupaluminum (Al), gallium (Ga), indium (In), and thallium (Tl)are all metals. Group 13 elements have three valence electrons and are fairly reactive. All of them are solids at room temperature. Q: Group 13 of the periodic table is also called what? Choices: - nitrogen group - iron group - manganese group - the boron group A:

Ans:the boron group
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Ques:Answer the following question given this paragraph: Figure 42.1 In this compound light micrograph purple-stained neutrophil (upper left) and eosinophil (lower right) are white blood cells that float among red blood cells in this blood smear. Neutrophils provide an early, rapid, and nonspecific defense against invading pathogens. Eosinophils play a variety of roles in the immune response. Red blood cells are about 78 m in diameter, and a neutrophil is about 1012m. (credit: modification of work by Dr. David Csaba). Q: What provides an early, rapid, and nonspecific defense against invading pathogens? Choices: - microorganisms - toxins - bacteria - neutrophils A:

Ans:
neutrophils
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