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Transcript
Warm-Ups and Closures Week 18 Monday, January 11th Warm-Up: Why does protein synthesis involve DNA making mRNA first? a. DNA is stuck in the nucleus and cannot go directly to the ribosome; it needs mRNA to deliver its message to the ribosome. b. mRNA is the building block of proteins. c. mRNA is used to transfer amino acids onto the ribosome. d. Proteins need mRNA to build ribosomes so that amino acids can form in a chain. What will happen to a cell if it’s placed in a hypertonic solution? What if it’s placed in a hypotonic solution? Closure: What is the genetic material of the cell? Which organelle is it in? Tuesday, January 12th Warm-Up: Which organelle makes sugar? a. Ribosome b. Nucleus c. Mitochondria d. Chloroplast Which organelle burns sugar to make ATP energy? Closure: If dehydration synthesis means water is lost, is that represented by an arrow pointing away or an arrow pointing into the reaction? Wednesday, January 13th Warm-Up: What have we learned in the past two days that you feel best about? What do you feel worst about? Closure: How do you think you did on the test? Thursday, January 14th Warm-Up: What does it mean to be a “membrane-bound” organelle? a. The organelle is located in the cytoplasm, which is surrounded by the plasma membrane. b. A membrane surrounds all of the cells in a single organ. c. The plasma membrane lets nutrient into and out of the cell. d. The plasma membrane surrounds the cell, and a second membrane surrounds the organelle. What is the difference between a hypotonic and a hypertonic solution? Closure: What do you predict the eye color would be of a baby between two people with blue eyes? Why do you think this? Friday, January 15th Warm-Up: What is your New Year’s Resolution? When does life begin: at birth, or conception? Closure: Which organelles arose in evolution, according to the theory of endosymbiosis?