Biology > SOPHIA Milestone > Chapter 1 Milestone.docx. GRADED A+ (All)

Chapter 1 Milestone.docx. GRADED A+

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Which statement about active transport is true?  It involves the use of DNA.  It involves smaller molecules only.  It does not require transport proteins.  It requires ATP molecule... s. CONCEPT Facilitated Diffusion 2 Which of the following statements about enzymes is true?  Enzymes are single-use proteins that must be regenerated after each reaction.  Enzymes can only break down larger substances into smaller ones.  Enzymes are composed primarily of carbohydrates.  The function of an enzyme is to speed up chemical reactions that occur in your body. CONCEPT Enzymes 3 Which of the following is a component of cell membranes and includes a hydrophilic head, a glycerol backbone and two fatty acid tails?  Nucleic acids  Fatty acids  Phospholipids  Triglycerides CONCEPT Plasma Membrane 4 What role do sensory receptors play in feedback loops to maintain homeostasis?  Reverse the effects of stimuli  Respond to stimuli  Detect stimuli  Interpret stimuli CONCEPT Homeostasis 5 Amy wonders if it takes her longer to get home from work when it's raining. Which of the following could be her observation?  "Based on many tests, I realize that it does indeed take me longer to get home from work on rainy days."  "I propose that it takes me longer to get home from work when it's raining."  "I notice that I get home from work later on rainy days."  "Does rain have an impact on the length of my evening commute?" CONCEPT Scientific Method 6 What is chromatin?  A form of uncondensed DNA found within the nucleus of the cell  A structure found within the nucleus that produces subunits of ribosomes  A condensed form of DNA that occurs when the cell is dividing  A cell organelle that houses the DNA and controls activity within the cell CONCEPT Nucleus 7 Which of the following sources of information is most credible?  An article in the science section of a local newspaper  An article in a popular magazine  An article in a peer-reviewed journal  An article written for the school paper by a science teacher CONCEPT Evaluate Information 8 What is a nucleotide?  An organelle found in eukaryotic cells that houses the DNA and controls activity within the cell  A component of DNA and RNA made up of sugar, a phosphate group and a nitrogen base  A nucleic acid that produces protein in cells  A nucleic acid tha [Show More]

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