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Mutations
Genes
Organelles
Proteins
DNA
100
The following is not an example of a mutagen? a. X rays c. Sharp blow with a fist b. Cosmic rays d. Pesticides
What is a Sharp blow with a fist
100
The “genetic code” is made up of a. the arrangement of sugar and phosphate groups along the DNA molecule. b. the sequence of bases along the DNA molecule. c. the pairs of chromosomes in a cell. d. the proteins that make up a particular stretch of DNA.
What is the sequence of bases along the DNA molecule.
100
This organelle is nicknamed the "powerhouse" of the cell because it changes glucose into energy.
What is the mitochondria.
100
These are specialized proteins that speed up chemical reactions.
What are enzymes.
100
Human beings have this many chromosomes in each of their body cells.
What is 46
200
A mutation causes a bacterial cell to begin producing a new protein. The mutation probably a. changed the number of chromosomes in the bacterial cell. b. led to a new combination of chromosomes in the bacterial cell. c. changed the sequence of nucleotides within part of the bacterial DNA. d. will not be passed on to daughter cells when the bacterial cell divides.
What is changed the sequence of nucleotides within part of the bacterial DNA.
200
This place in the cell is where the chromosomes are located.
What is the nucleus
200
This organelle could be called the "cellular subway" because it is a network of channels throughout the cell.
What is the endoplasmic reticulum.
200
One side of a gene segment is composed of the following bases: GTGCAATCGCTT. The bases on the other side of the ladder would be:
What is CACGTTAGCGAA
200
A gene is a. another name for a chromosome. b. a section of DNA that codes for a specific protein. c. a tightly coiled strand of DNA. d. produced in the Golgi body.
What is a section of DNA that codes for a specific protein.
300
This is a type of mutation that benefits an individual.
What is a positive mutation.
300
The chromatin in the nucleus forms into this when a cell is preparing to reproduce.
What are chromosomes.
300
This part of the cell that controls the movement of materials into and out of the cell.
What is the cell membrane.
300
One side of a gene segment is composed of the following bases: AACGTCTGATCG. The bases on the other side of the ladder would be:
What is TTGCAGACTAGC.
300
In the DNA molecule, the nitrogen bases are always found in pairs. The base A pairs with a. the base C. b. the base T. c. the base G. d. another base A.
What is the base T.
400
These are substances or factors that cause mutations in DNA.
What are mutagens.
400
These are small segments of DNA located at specific places on a chromosome, have specific arrangements of bases in the DNA, and can vary in length from hundreds to thousands of bases.
What are genes.
400
Cell function depends on a. the location within the organism. b. the type of cell membranes. c. the amount of cytoplasm. d. the number of vacuoles.
What is the location within the organism.
400
One side of a gene segment is composed of the following bases: GTCAACGTAGAT. The bases on the other side of the ladder would be:
What is CAGTTGCATCTA.
400
Which of the following is not a feature of DNA? a. It can reproduce itself. b. It can be passed from parent to offspring. c. It codes for specific chromosomes in the cell. d. It is stored in the cell nucleus.
What is it codes for specific chromosomes in the cell.
500
Performing genetic corrections on a patient a. affects only the cells that are treated. b. can affect the immune system of the body. c. affects only the organ into which new genetic material is injected. d. immediately causes cells to produce new genes.
What is b) can affect the immune system of the body.
500
All the genetic information stored within the chromosomes of a living cell is referred to as this.
What is a genome.
500
This part of the green plant cell produces food for the cell and makes it appear green.
What is a chloroplast.
500
This protein acts as a chemical messenger.
What is a hormone.
500
A specific protein is produced when a. an RNA molecule brings the instructions to a ribosome b. a DNA molecule brings a chemical message to a ribosome. c. a DNA molecule brings a chemical message to a Golgi body. d. a vesicle receives a chemical message from the endoplasmic reticulum.
What is a) an RNA molecule brings the instructions to a ribosome.