Cell Structure and Functions Quiz
Preview:
Which of the following molecules is least likely to cross a cellular membrane by simple diffusion?
A. carbon dioxide
B. nitrogen
C. potassium ion
D. water
Dividing cells are found in all of the following except:
A. Apical meristems
B. Lateral meristems
C. Vascular cambium
D. Fiber cells
Biological membranes are normally permeable to:
A. large, hydrophilic molecules
B. small, hydrophilic molecules
C. large, hydrophobic molecules
D. small, hydrophobic molecules
Which cells or cell components play an essential role in the clotting of blood?
A. erythrocytes
B. platelets
C. leukocytes
D. plasma
Facilitated diffusion:
A. requires a transmembrane protein
B. requires ATP
C. can move molecules against a concentration gradient
D. is typically used to transport small nonpolar molecules
Used in places where diffusion needs to occur, such as blood vessels and air sacs of lung
A. Simple cuboidal
B. Simple squamous
C. Simple columnar
D. Stratified squamous
If dense bone lacked canaliculi:
A. there would be no blood supply to the cells.
B. diffusion between cells would not be possible
C. there would be no nerve supply to the tissue
D. the extracellular matrix would not be formed by osteoblasts
The type of tissue represented is:
A. Compact bone
B. Hyaline cartilage
C. Simple squamous epithelium
D. Blood
The extremely flexible tissue that provides support in soft, nonwoody plants, allowing them to grow upward, is:
A. Parenchyma tissue
B. Collenchyma tissue
C. Sclerenchyma tissue
D. Dermal tissue
The process illustrated in the figure would most likely be used to transport:
A. glucose
B. hormones
C. potassium ions
D. carbon dioxide
A wilted flower placed in a vase of water for several hours became stiff and stood erect. When it was placed in a salt solution, it wilted. From this information we can say that the cells of the flower are:
A. hypotonic to both fresh water and the salt solution
B. hypertonic to both the fresh water and the salt solution
C. hypertonic to fresh water but hypotonic to the salt solution
D. hypotonic to fresh water but hypertonic to the salt solution
Who am I? I am dead at maturity and have secondary cell walls composed of lignin.
A. sclerenchyma
B. collenchyma
C. parenchyma
D. phloem
This tissue carries nutrients, waste, respiratory gases and many other substances throughout the body
A. Bone
B. Blood
C. Cartilage
D. Muscle
__________ are living cells that do not conduct sugar themselves but play a crucial role in assisting the movement of sugars.
A. Sieve tube elements
B. Sieve plate
C. Tracheids
D. Companion cells
What is meant by the term “fluid mosaic model”?
A. It is the diffusion of lipid-soluble substances through the lipid bilayer.
B. It is the movement of lipids and integral proteins within the lipid bilayer
C. It is the solubility of water in the membrane
D. It is the method of substance transport across the membrane
