NEW
Font size
Worksheets2nd 6wks Bio Review CHS
Total questions: 20
Worksheet time: 11mins
After studying cellular respiration in animal cells, Ryan concluded that brain cells have high concentrations of Mitochondria. What supports his conclusion?
Brain Cells divide rapidly
They need a lot of CO2
Brain cells require a lot of energy
They produce large amounts of glucose
Cells differ from viruses in that only cells>>>>
Use genetic Information
Are microscopic
Require the use of Energy
Have a protectice Covering
A bacteriophage virus causes infection in bacteria by injecting which of the following?
DNA
Hormones
Proteins
Lipids
Viruses use two different cycles of replication, the lytic and lysogenic cycle. In what way is the lysogenic different fro the lytic cycle?
The virus recognizes and attaches to the host cell
The host cell is not destroyed immediately
Viral DNA is replicated along with the host DNA
The virus injects its DNA into the host cell
What cell organelle is responsible for making the water resistant biomolecule?
Chloroplasts
Smooth ER
Nucleus
Ribosome
Which of the following are not paired correctly?
Carbohydrate - Starch
Lipid - Steriod
Protein - Monosaccaride
Nucleic Acid - DNA
Pepsin works with your stomach acid to dissolve food. Pepsin is an enzyme so it works best at?
A certain time of day
when paired with other enzymes
at a certain pH or temperature
When paired with certain lipids
Which of the following biomolecules are quick sources of energy?
Proteins
Lipids
Nucleic Acids
Carbohydrates
Which Biomolecule is composed of; Carbon, Hydrogen, Oxygen and can be found in the form of unsaturated and saturated?
Carbohydtrates
Lipid
Protein
Nucleic Acid
Which of the following atoms make up the structure of nucleic acids?
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus
Carbon, Hydrogen, Oxygen
Carbon, Hydrogen, Oxygen, Nitrogen
Carbon, Hydrogen, Oxygen, Sodium
Which best describes the function of a lipid?
Forms muscles; aids in diffusion; speed up reactions
Main source of energy and structure in some plants
Transmits genetic information
Sotres energy and composes cell membranes
To which category of biomolecules do enzymes belong?
Carbohydrates
Lipids
Proteins
Nucleic Acids
Which Biomolecules polymer has a double helix shape?
Proteins
Nucleic Acids
Lipids
Carbohydrates
Forms muscles; aids in diffusion; speeds up reactions best describes what ____________________ do.
Proteins
Carbohydrates
Lipids
Nucleic Acids
Which biomolecules typically contains both nitrogen and phosphorus?
Lipid
Protein
Carbohydrate
Nucleic Acids
Enzymes are proteins that help increase the rate of reactions inside cells. They are made of simpler molecules called amino acids. Which of the following suggests that the shape of an enzume determines th enzymes function?
Enzymes can be found in all life-forms
Enzymes are activated by neighboring molecules
Enzymes are specific to a substrate like a puzzle piece
Enzymes can operate in a wide rance of conditions
What biomolecule is this a part of?
Lipid
Protein
Nucleic Acid
Carbohydrate
What is this?
Bacteria
Enzyme
Virus
Lipid
A gummy bear is placed into a cup of water overnight, it swells and become hypotonic. How does the water flow or cross over the gummy membrane?
From low concentration of water to high concentration of water
From low concentration of sugar to a high concentration of sugar
From high concentration of water to low concentration of water
From high concentration of sugar to low concentration of sugar
Something with the last 3 letters being ase is a dead give away that it is a? Like (lactase, transcriptase, helicase...)
Lipid
Enzyme
Virus
Protein
