BSC2085-Exam 1.
In a protein, the chemical bond bond making up and binding amino acids is the
___________ bond while the bond responsible for providing the three dimensional or
globular structure of proteins is the ____________bond.
A) ionic, hydrogen
B) ionic, covalent
C) hydrogen, ionic
D) covalent, hydrogen
E) hydrogen, covalent - ✔️✔️D) covalent, hydrogen
Which of the following planes creates right and left sides to the body?
A) transtrabecular
B) parasagittal
C) sagittal
D) horizontal
E) frontal (coronal) - ✔️✔️C) sagittal
The organelles that are used to: transport chemicals out of the cell; and to carry
digestive cellular enzymes.
A) mitochondria
B) basal bodies
C) nucleus
D) vesicles
E) bubbular structures - ✔️✔️D) vesicles
A skin layer consisting of predominantly dense irregular connective tissue is
A) corpuscular
B) dermis
C) epidermis
D) stratal
E) hypodermis - ✔️✔️B) dermis
The Golgi complex
A) produces the mitotic spindle during cellular division
B) is now known to be an artifact produced by staining procedures
C) modifies and packages proteins for secretion
D) is responsible for controlling cellular respiration - ✔️✔️C) modifies and packages
proteins for secretion
, In a positive feedback loop, the ___________ increases the ____________.
A) receptor, stimulus
B) response, control center
C) control center, receptor
D) receptor,control center
E) stimulus, response - ✔️✔️E) stimulus, response
Starting with the least complex, place the following terms in their proper sequence.
1. organ
2. cell structure
3. tissue
4. molecule
5. system
A) 5, 4, 3, 2, 1
B) 4, 2, 5, 3, 1
C) 1, 2, 3, 4, 5
D) 4, 2, 3, 1, 5
E) 3, 1, 2, 4, 5 - ✔️✔️D) 4, 2, 3, 1, 5
Ions (electrolytes) are important because they
A) form tissues
B) move cells
C) break molecules
D) generate electrical signals
E) form carbohydrates - ✔️✔️D) generate electrical signals
If a poison (such as cyanide) stops the formation of ATP, which of the following
transport processes would NOT stop?
A) phagocytosis of microbes
B) diffusion of ions
C) exocytosis of hormones
D) active transport of Na+ - ✔️✔️B) diffusion of ions
The method by which gases, like O2 and CO2, pass through the plasma membrane is
__________.
A) facilitated diffusion through phospholipid bilayer
B) active transport through pumps
C) diffusion through pumps
D) osmosis through pores
E) diffusion through phospholipid bilayer - ✔️✔️E) diffusion through phospholipid
bilayer
__________ molecules will be soluble in water.
A) polar
B) nonpolar
