BIOL 133 Exam 1 - Chapters 1-6 Part 1 of 1 - Question 1 of 40 2.5/ 2.5 Points Which statements describe sodium atoms? Select all that apply.
- has 2 electrons in the first energy level
- forms cations
- contains 1 valence electron
- can lose one electron easily
- closest to the left side of the periodic table
Question 2 of 40 2.5/ 2.5 Points If an integrin protein is mutated what cell function might be affected?A.communication between cytoskeleton and proteglycan
Feedback: Correct
Question 3 of 40 2.5/ 2.5 Points You and your roommate are grocery shopping. “I don’t get it,” she says. “My doctor said I should buy this special milk because I don’t digest it well. But this brand says ‘lactose- free’ and this brand says ‘lactase added’ – which do I want?”
You reply: “The
is a sugar in milk that you have trouble digesting, and is an enzyme that will digest it for you.B.lactose,lactase
Feedback: Correct! 1 / 2
Question 4 of 40 2.5/ 2.5 Points Which of the following is an example of an aliphatic hydrocarbon?
- Methane
Question 5 of 40 2.5/ 2.5 Points The equation below represents a(n) .
2NO2 ↔ N2O4
B.reversible reaction Question 6 of 40 2.5/ 2.5 Points The shape of the cell is predominantly maintained by the C.cytoplasm Feedback: Learning Objective: Recognize the relationship between the endomembrane system and its functions Question 7 of 40 2.5/ 2.5 Points What molecule(s) could diffuse across the plasma membrane?D.CH4
Feedback: Correct
Question 8 of 40 2.5/ 2.5 Points Which molecule(s) would dissolve in water based on polarity? Select all that apply.
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