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BCS103 Mod4

Module 4 Practice Lecture Quiz

QuestionAnswer
Which type of junctions prevents water leakage between cells? tight junctions
Which of the following package secretions for export from the cell? golgi bodies
If a cell did not have ribosomes, it would not be able to synthesis protein
Plasmodesmata are cross connections between cell walls.
Useful tool in diagnosing the tissue origin of diverse cancers is cell typing
Scientists use the word "chromosome" to describe one DNA molecule and its associated proteins.
What were the first microscopic organisms called by their discoverer? animalcules
The idea that all living cells come from preexisting living cells was proposed by Rudolph Verchow
Basal bodies that form cilia and flagella originate from _____. centrioles
Which of the following are assembled from RNA and protein? ribosomes
Which of the following is not a eukaryotic cell? bacteria
A 9+2 array refers to both flagella and cilia but not Golgi bodies or ribosomes.
These contain enzymes and are the main organelles of intracellular digestion. lysosomes
Which are the structures upon which proteins are assembled? ribosomes
Messengers for building proteins. RNA
Structural features that contain the protein actin and help to control the shapes of cells are microfilaments.
This organelle is involved in lipid production and protein transport. endoplasmic reticula
Which of these functions to convert light energy to chemical energy that is stored in the chemical bonds of glucose or starch chloroplasts
Contains a thylakoid membrane. chloroplast
The number of membranes surrounding a mitochondrion is 2
Which of the following functions to increase cell surface area and stores substances central vacuoles
A prokaryotic cell does not have a true nucleus.
ribosome chloroplast vesicle are bound by membranes
In phospholipids the hydrophobic head dissolves fast in water. false
related by the observation of cells Hooke Schwann Schleiden Virchow
Which of these extract energy stored in carbohydrates, synthesize ATP, and produce water and carbon dioxide? mitochondria
Which of the following is constructed at the nucleolus? ribosomes
According to the fluid mosaic model, a membrane is composed of a phospholipid bilayer with embedded proteins.
Which of the following functions in by encoding hereditary information and duplicates prior to cell division DNA molecules
DNA synthesis occurs in the nucleus. Which organelle can digest this nucleic acid? lysosomes
An organelle found in the nucleus is a nucleolus.
Who's observations of the heavens proved Copernicus' heliocentric theory? Galileo
The best light microscopes can magnify 1000x
The phospholipid molecules of most membranes have a hydrophilic head and two hydrophobic tails.
What is the most common component in an animal cell membrane? a phospholipid
The permeability of the plasma membrane is selectively permeable
Who made the first microscopic descriptions of bacteria, protozoans, and spermatozoa? van Leeuwenhoek
Who wrote the paper "Micrographia"? Hooke
Which of the following statements concerning cell walls is NOT true? water cannot move through a cell wall.
"Academia dei Linicei" was a(n) scientific society devoted to the use of the microscope as a recreational toy.
Unsaturated tails of phospholipids have at least one kink in them and contribute to the membrane fluidity.
Both plant and animal cells have mitochondria because they both need ATP for energy
Which organelle is a barrel-shaped structure and a microtubule-producing center? centriole
The hydrophobic tails of phospholipids react with water and one another until they cluster in a sheet or film and form a lipid bilayer
When you breath in, you are securing oxygen mainly for this organelle. mitochondria
Who is known as the "father of microscopy"? van Leeuwenhoek
Who is known for inventing the first telescope? Lippershey
These are sometimes referred to as rough or smooth, depending on the presence or absence of ribosomes. endoplasmic reticula
One of the first to record biological observations with a microscope. Robert Hooke
The father and son team of Jansseen and Jansseen are known for inventing the compound microscope
Who first "discovered" cells, using a microscope? hooke
Which is NOT found as a part of all cells? cell wall
Which organelle builds organic compounds like glucose? chloroplast
The packaging of proteins that will be secreted from the cell occurs in association with this structure. Golgi bodies
Which of the following is NOT true concerning the nuclear envelope? DNA molecules are transported out through the pores.
What is the function of the glass lenses in a light microscope? They bend the light coming from the specimen. They enlarge the image.
This organelle looks like a stack of pancakes because it is folded and flattened. Golgi bodies
Organelles in plant cells that function in photosynthesis or storage are called plastids
Organelles used to move cell parts and made of tubulin are the microtubules
Who invented spectacles? Bacon
Who is known for making the world's first "practical microscope" by devising special lenses? van Leeuwenhoek
The first cell that was seen under a microscope was a cork cell
The cell membrane consists mainly of a lipid bilayer and proteins
Who proved William Harvey's blood circulation theory? Malpighi
The stroma is a portions of chloroplasts.
Which of the following membrane proteins is responsible for secreting proteins? receptor proteins
Four of the five answers listed below are familiar organelles in the cytoplasm. Select the exception. nucleolus
The microscope that sends a beam of electrons back and forth across a specimen that has a thin coatine of metal is the scanning electron microscope
Move cell parts along microtubules when fueled by ATP motor proteins. kinesins. dyneins. myosins.
Aerobic respiration occurs in this organelle. mitochondria
Which of the following functions in photosynthesis? chloroplasts
These are the primary cellular sites for the release of energy (as ATP) from carbohydrates (glucose) during aerobic respiration mitochondria
Which of the following contain enzymes for intracellular digestion. lysosomes
Organelles that dramatically increase the cell size, surface area and are used for storage are central vacuoles.
What cell organelle is found in plant cells but NOT in animal cells? cell wall
Which of the following modern microscopes uses beams of electrons to illuminate an object? electron microscope
Alcohol is degraded (broken down) by peroxisomes.
Four of the five answers listed below are features, of plasma membrane extensions (cilia and flagella). Select the exception. amyloplast
Ribosomes are located on these organelles. endoplasmic reticula
Who made important advances in the area of microbiology by the discovery of infectious bacteria? Koch
Which of these help distribute (move) chromosomes to the new cells during cell division? microtubules
Organelles composed of a system of canals that transport molecules inside the cytoplasm are endoplasmic reticula.
One portion of the cell theory states that all living organisms are made up of cells.
Which of the following is best associated with plant cells? chloroplasts and cell wall
The intracellular digestion and disposal of biological molecules occurs inside this organelle. lysosomes
Four of the five answers listed below are portions of a well-known theory. Select the exception. All cells have a nucleus.
Which are the sites of protein synthesis? ribosomes
the primary structures for the packaging of cellular secretions for export from the cell. Golgi bodies
Fluid-filled organelles that may store sugars, amino acids, toxic wastes or water in cells are called vacuoles.
Energy stored in which of the following molecules is converted by mitochondria to a form usable by the cell? carbon compounds (carbohydrates)
The organelle that is compared to a whip is a flagellum.
The earliest development of the microscope can be traced back to burning glass.
Prokaryotes have DNA regions. are unicellular. have cell walls. are bacteria.
Prokaryotic cells do NOT have membrane bound nuclei.
Cell part responsible for maintaining cell shape, internal organization, and cell movements is the cytoskeleton.
These are the sites of protein synthesis. ribosomes
Four of the five answers listed below are characteristics of the plasma membrane. Select the exception. impermeable
Which organelles contain DNA? both nuclei and mitochondria
Which are examples of prokaryotes? Bacteria
Cell size is limited by: cell membrane surface area.
Created by: pfrizzel
 

 



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