BIO 114 Quiz 2

12) What molecule is created when ATP goes through hydolysis as it does cellular work?

ADP

11) Which type of inhibition blocks a substrate from binding by blocking the active site?

Competitive inhibitor

2) Match the following statements to the organelle that they describe:

Provides the cell with energy - mitochondria 👍 Digests wornout organelles- lysosomes 👍 Packages lipids for export- golgi Bodies 👍 Site of protein synthesis- Ribosomes 👍

7) Put the following structures in order according to the pathway of a secreted protein: 1 - Plasma Membrane, Golgi Bodies, Endoplasmic Reticulum, Post-Golgi Vesicles 2 - Golgi Bodies, Endoplasmic Reticulum, Plasma Membrane, Post-Golgi Vesicles 3 - Plasma Membrane, Post-Golgi Vesicles, Golgi Bodies, Endoplasmic Reticulum 4 - Endoplasmic Reticulum, Golgi Bodies, Post-Golgi Vesicles, Plasma Membrane

a. 3 b. 4 correct 👍 c. 1 d. 2

4) Energy for most chemical reactions in cells is supplied by which of the following molecules?

a. Adrenaline b. ATP Correct 👍 c. DNA d. Hemoglobin

6) The suface-to-volume ratio ____________

a. Constrains cell size Correct 👍 b. Does not apply to prokaryotic cells c. Is part of the cell theory

5) All cells have these three things in common: _____________ (Select all that apply)

a. Cytoplasm 👍 b. DNA👍 c. A plasma membrane👍 d. A Cell Wall

8) Which of the following statements is not correct?

a. Energy cannot change from one form to another. Correct 👍 b. Energy cannot be created or destroyed. c. Energy can be transferred. d. Energy tends to disperse spontaneously.

3) Use the information below to answer the following question: Researchers have discovered a toxin that stops cells from releasing stored energy. Cells exposed to this toxin cannot carry out many of their normal processes. Which of these cell organelles are most directly affected by this toxin?

a. Mitochondria Correct 👍 b. Chloroplasts c. Vacuoles d. Ribosomes

1) A cell from heart muscle would probably have an unusually high proportion of...

a. Mitochondria Correct 👍 b. Golgi Bodies c. Lysosomes d. mRNA

The molecule of ________ is life's primary source of energy.

a. Water b. ATP correct 👍 c. Food d. Sunlight

10) A molecule that donates electrons becomes _________, and the one that accepts the electrons becomes _________.

a. reduced: oxidized b. oxidized: reduced Correct 👍 c. ionic: electrified d. electrified: ionic