Ques:Q: What is the measurement for the amount of water vapor in the air? Read this paragraph and choose the correct option from the provided answers: A: Humidity is a measure of the amount of water vapor in the air. When humidity is high, sweat evaporates more slowly because there is already a lot of water vapor in the air. The slower evaporation rate reduces the potential for evaporative cooling. Choices: - haze - ambient - saturation - humidity A:

Ans:humidity
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Ques:Q: What are the key cells of an immune response? Read this paragraph and choose the correct option from the provided answers: Courtesy of Dr. Triche and the National Cancer Institute. Lymphocytes are the key cells of an immune response . Public Domain. Choices: - keratinocytes - erythrocytes - histiocytes - lymphocytes A:

Ans:lymphocytes
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Ques:Q: Female monotremes lack a uterus and vagina. instead they have what? Read this paragraph and choose the correct option from the provided answers: Female monotremes lack a uterus and vagina. Instead, they have a cloaca with one opening, like the cloacas of reptiles and birds. The opening is used to excrete wastes as well as lay eggs. Choices: - endometrium - placenta - urethra - cloaca A:

Ans:cloaca
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Ques:Q: Gram-negative bacteria have a cell wall made of peptidoglycan, whereas gram-positive bacteria have a cell wall made of what? Read this paragraph and choose the correct option from the provided answers: Gram-negative bacteria have a cell wall made of peptidoglycan, whereas Gram-positive bacteria have a cell wall made of lipoteichoic acid. Figure 22.19 Which of the following statements about the nitrogen cycle is false? a. Nitrogen fixing bacteria exist on the root nodules of legumes and in the soil. Denitrifying bacteria convert nitrates (NO3-) into nitrogen gas (N2). Ammonification is the process by which ammonium ion (NH4+) is released from decomposing organic compounds. Nitrification is the process by which nitrites (NO2-) are converted to ammonium ion (NH4+). Choices: - choanocyte acid - solmization acid - hydrolic acid - lipoteichoic acid A:

Ans:
lipoteichoic acid
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