When are chromosomes duplicated? a. anaphase b. cytokinesis c. telophase d. interphase
d. interphase
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5
What is the process by which cells move proteins out of the cell called? a. translation b. secretion c. transcription d. the cell cycle
b. secretion
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5
The process of building ____________ begins with information in a gene.
protein
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What reads the RNA bases three at the time to manufacture cell proteins?
d. ribosomes
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10
What is a protein synthesis?
The process of building the proteins
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15
How does your skin help your body respond to changes in temperature?
The skin react to hot and cold. In cold weather shivering occurs and hairs stand on end. In warm weather evaporation of sweat from the skin helps cool the body.
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5
What may be produced when immune cells release chemicals in reaction substances such as pollen and dust. a. an allergic reaction c. immune response b. acquired immunity d. leukocytes
a. an allergic reaction
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What is the first step in protein synthesis in which DNA acts as a template to produce an RNA strand. a. transference c. duplication b. transcription d. translation
b. transcription
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Which happens last in the cell cycle? a. interphase b. protein folding c. cytokinesis d. Mitosis
c. cytokinesis
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5
Which statement about hormones is not true? a. They help regulate salt and water in the body. b. They help a body respond to injury and stress. c. They translate the genetic code found on RNA molecules.
c. They translate the genetic code found on RNA molecules.
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15
How does your body react in a potentially dangerous situation?
Nerves will signal stress hormones to prepare the body for danger. Blood flow and respiration rates will increase in order for the body to run and think fast.
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5
White blood cells, or ____________, are parts of the blood that defend the body against disease.