Place the biomolecule with the correct description in the table below.
Andre svarmuligheder:
Carbohydrates
Nucleic Acids
Lipids
Proteins
Place the biomolecule with the correct description in the table below.
Carbohydrates
Nucleic Acids
Lipids
Proteins
A student is recording key functions of biomolecules in the table below.
Based on the properties given, biomolecule 1 is a while biomolecule 2 is a.
Which of the following statements about biomolecules is correct?
What is the name of the structure in the box labeled X?
A segment of a DNA strand is show below.
Which of these is the correct complementary DNA strand for the segment shown?
A part of a DNA nucleotide is shown.
What is missing in the structure of the DNA nucleotide?
The image below depicts a nucleotide:
The orange portion represents , the middle blue portion is and the yellow portion represents .
Immunoglobulin G (IgG) is a protein secreted by white blood cells in response to specific antigens. What factor most directly determines the amino acids that are combined to create IgG?
Identify each statement about enzymes below as being true or false.
True | False | |
|---|---|---|
Enzymes are a special type of protein. | ||
Enzyme have active sites that are specific in shape. | ||
Enzymes can be denatured by temperature or pH. | ||
Enzymes that are denatured can work optimally. |
When an enzyme is denatured...
A researcher is studying two enzymes, Amylase and Glycoside Hydrolases, which both catalyze the breakdown of different carbohydrates. Amylase works best on starch, while Glycoside Hydrolases works best on cellulose.
When cellulose is added to a solution containing only Amylase, no reaction occurs. Which of the following best explains this observation?
The graphs below show the reaction rate for two enzymes across a range of temperatures.
Based on these data, what do we know about the optimal function of the enzymes?
Enzyme A has an optimal temperature of Degrees Celsius and Enzyme B has an optimal temperature of Degrees Celsius.
Enzymes catalyze (speed up) reactions by activation energy.
decreasing
increasing
not changing
The diagram illustrates a chemical reaction of a biological process.
Complete the statement to describe the result of the reaction.
The substrates will , and the enzyme .
The table below indicates which structures are present in two cells. The X indicates structures that are present in each cell.
Identify the cells below based on their structures.
Observe the structures in the diagram below.
This diagram best supports which statement?
Determine if the following characteristics belong to a cell or virus.
Virus | Cell | |
|---|---|---|
Contains genetic material in nucleus | ||
Glycoproteins | ||
Cell Membrane | ||
Capsid | ||
Requires a host cell |
The difference between viruses and bacteria cells is that a virus while a bacteria .
A student is making a Venn diagram comparing eukaryotic cells, prokaryotic cells, and viruses
What will be in the middle of the venn diagram?
Viruses are because they are non-living, so they require a to reproduce. Viruses cannot reproduce on their own because they lack (so they cannot make protein).
Viruses can not be cured with antibiotic since antibiotics .
Viruses are treated with . The way they work is that
The diagram below depicts THREE examples of cell transport. Label each of the THREE examples below.
Move ONE correct answer to each box. Not all answer choices will be used.
Exocytosis
Protein Pump
Diffusion
Facilitated Diffusion
Determine which characteristic applies to each type of cell transport.
Select the correct answer in each row.
Molecules move from HIGH to LOW concentration | ATP is required | |
|---|---|---|
Osmosis | ||
Facilitated Diffusion | ||
Protein Pump | ||
Endo/Exocytosis |
What are the functions of the cell membrane represented in this diagram?
Select TWO correct answers.
Which option below best describes the concentration of molecules after passive transport?
The diagram represents the transport of molecules through because it shows the movement of molecules from HIGH concentration to LOW concentration and NO ENERGY is required.
The diagram represents the transport of molecules through because it transports large molecules the concentration gradient and is required.
The diagram represents the transport of molecules through because it transports molecules from LOW concentration to HIGH concentration and is required.
A model of the cell membrane with various methods of transport is shown below. Identify each example as active or passive transport.
Active
Passive
The diagram below represents the steps of DNA replication.
Place the description of each step below to describe the process shown.
Complementary pairs complete identical strands
Original template DNA sequence
DNA structure unzips (unwinds / opens)
Which row in the chart shows the steps of DNA replication in the correct order?
Apoptosis is a programmed form of cell death that helps maintain healthy tissues. If a cell is damaged beyond repair but fails to go through apoptosis, what is the most likely consequence?
Match the following steps of the cell cycle to their correct definition.
| Draggable emne | arrow_right_alt | Korresponderende emne |
|---|---|---|
Mitosis | arrow_right_alt | Verification (check point) of the cell contents before mitosis |
G1 | arrow_right_alt | Replication of DNA occurs |
Cytokinesis | arrow_right_alt | Grows for the first time, organelles double |
S Phase | arrow_right_alt | Division of the nucleus into two nuclei |
G2 | arrow_right_alt | Division of the cytoplasm into two identical cells |
Which of the following are caused by disruptions to the cell cycle?
Select three correct answers.
An illustration of a mutation is shown below.
What type of mutation is illustrated?
Three mutations are shown in the diagram below.
Mutation 1 is a .
Mutation 2 is a .
Mutation 3 is a .
The mutation shown above is a because .
Gene expression is --
How does transcription and translation result in the expression of genes?
Farmers spray their crops with chemicals called herbicides to kill weeds and grasses that compete for nutrients with their crops.
A farmer used an herbicide that caused the corn to kill grasses in his field.
The herbicide affected the grass' ability to create the amino acids: Leucine (Leu), Isoleucine (Ile) and Valine (Val) which are used for essential functions in the grass.
What effect did the herbicide most likely have on the grasses?
A diagram of a cell is shown below.
Process A is called and the purpose is .
Process B is called and the purpose is .
A sequence of a DNA template strand is shown below.
Which of these is the correct amino acid chain produced from the DNA template strand?
A segment of a DNA strand is shown below.
Which strand of mRNA is complementary to this DNA strand?
Let's begin by recalling the central dogma of all of protein synthesis! Label the diagram below to keep track of the products of each step.
Protein/Amino Acid
What is the importance of crossing over and independent assortment during Meiosis I?
On the model below, select where crossing over occurs.
Categorize the following as describing Mitosis or Meiosis:
Use each item only ONE time.
Sex Cells
Body Cells
Haploid (Half Set of Chromosomes)
Diploid (Full Set of Chromosomes)
Somatic Cells
Gametes
Produces identical copies
Increases genetic diversity
Mitosis (4 items)
Meiosis (4 items)
Which processes during Meiosis are responsible for the variation in these sisters?
Select TWO correct answers.
Apoptosis is the process of programmed cell death that removes old or damaged cells. However, too much apoptosis can be harmful.
What is one negative effect of too much apoptosis?
Which phrase belongs in the box X in the flowchart below?
