Biology MIDTERM
Eukaryotes usually contain
( a nucleus; organelles with specific functions: genetic material) all of the above
After a protein is formed by a ribosome located on the endoplasmic reticulum, which organelle would the protein be transported to next?
Golgi apparatus
Which organelle performs photosynthesis?
chloroplast
Which organelle would you expect to find in plant cells but not animal cells?
chloroplast
All of the following are part of a prokaryotic cell EXPECT
(An endoplasmic reticulum)
Which of the following is function of the nucleus
(store DNA; controls most of the cell's processes; contains the information needed to make proteins) all of the above
Which of the following organelles would be unique for a cell that is both eukaryotic and photosynthetic?
Chloroplast
The Greek root word, eukaryotic, means "true kernel". Why is eukaryotic an appropriate term to describe the complex cells in animals?
Eukaryotic cells have a nucleus.
Which of the following is major difference between prokaryotic cells and eukaryotic cells?
Eukaryotic cells have more intracellular organelles than prokaryotes.
Which structure is common to plant and animal cells?
Mitochondrion
Not all cells are alike. Which of the following is NOT a true statement about difference between cells?
Most cells have a membrane, but some do not.
Looking at a cell under a microscope, you note that it is a prokaryote. How do you know?
The cell lacks a nucleus.
A cell has the following molecules and structures: DNA, ribosomes, cell membrane, and mitochondria. It could be a cell from
a plant or an animal
All of the following are part of a prokaryotic cell expect
an endoplasmic reticulum
Which cells are the smallest?
bacteria
Which of the following organisms are prokaryotes?
bacteria
Which of the following structures serves as the cell's boundary?
cell membrane
Which of the following organelles is not found in an animal cell?
cell wall
Which of the following relationship between cell structures and their respective functions is correct?
cell wall: support, protection
Which of the following microscope parts does not magnify the image of the specimen?
course adjustment
Which part of the microscope is used to locate and focus the specimen in a slide?
course adjustment
Which of the following is NOT found in the nucleus
cytoplasm
Which organelle is a watery medium for chemical reactions?
cytoplasm
Which of the following enclose their DNA in a nucleus?
eukaryotes
If you are under the hight power objective lens (40X) what part of microscope do you use to sharpen your image?
fine adjustment
Which of the following is a function of the cytoskeleton?
helps a cell keep its shape
Which organelle breaks down worn out cell parts and molecules of food?
lysosome
Suppose a young boy is always tired and fatigued, suffering from a metabolic disease. Which of the following organelles is most likely involved in this disease?
mitochondria
Which organelles help provide cells with energy
mitochondria and chloroplasts
Which organelle converts the chemical energy stored in food into compounds that are more convenient for the cell to use?
mitochondrion
Suppose a cell has the following molecules and structures; enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a cell from
nearly any eukaryotic organism
The smallest cell structure that would most likely be visible with our microscope is a
nucleolus
Which structure-function pair is mismatched?
nucleus; transportation of proteins
Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?
proteins
Which of the following is a function of the cell membrane?
regulates which materials enter and leave the cell
Which of the following is present in a prokaryotic cell?
ribosome
Which of the following structures is found in the cytoplasm?
ribosome
Which structure transports proteins around the cell?
rough ER
The main function of the cell wall is to
support and protect the cell
Cell size is limited by
surface to volum ratios
In a bacterium, we will find DNA in
the cytoplasm
Which of the following is a compartment that often takes up much of the volume of a plant cell?
vacuole
Which organelle functions to store water?
vacuole
