EBK CAMPBELL BIOLOGY IN FOCUS
2nd Edition
ISBN: 8220101459299
Author: Reece
Publisher: PEARSON
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Textbook Question
Chapter 30, Problem 4TYU
“Golden Rice”
A. is resistant to various herbicides, making it practical to weed rice fields with those herbicides.
B. is resistant to a virus that commonly attacks rice fields.
C. includes bacterial genes that produce a toxin that reduces damage from insect pests.
D. has a modified genome that includes transgenes that lead to an increase vitamin A content.
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Many concerns have been raised about the safety of GMOs. These are all concerns that have been raised EXCEPT
A. Genes that offer herbicide resistance will be passed on to weedy species making "superweeds".
b. GM crops will cross with non-GM crops and move the recombinant genes into crops where farmers don't want them.
c. Genes added to crop plants can negatively affect the health of people who eat the crops.
d. Genetically modified crops increase the use of fossil fuels and therefore increase the production of carbon dioxide.
Which letter is correct
A. Genetic engineering is preferred because a desired gene to crops may not exist in their species, so conventional agriculture could not be applied.
B. Conventional agriculture is preferred because they're natural, and don't have interference in their genome, so they're healthier.
C. Genetic engineering is preferred because through it, we can create new species of plants resistant to pests.
D. Conventional agriculture is preferred because they produce more crop compared to genetic modifications.
When using gene therapy to treat an hereditary disease, the idea is to:
A. Introduce the correct gene into the patient's DNA
B. Inject the patient with a specific protein to cure the disease.
C. Blood transfusions from healthy individuals.
D. ntroduce mRNA molecules with the correct genetic information to the patient.
E. Introduce a virus to the patient that will specifically destroy mutated cells.
Chapter 30 Solutions
EBK CAMPBELL BIOLOGY IN FOCUS
Ch. 30.1 - WHAT IF? If flowers had shorter styles, pollen...Ch. 30.1 - WHAT IF? In some species, sepals look like petals,...Ch. 30.1 - Prob. 3CCCh. 30.2 - Prob. 1CCCh. 30.2 - Prob. 2CCCh. 30.2 - Self-fertilization, or selfing, seems to have...Ch. 30.3 - Prob. 1CCCh. 30.3 - Why does Bt maize have less fumonisin than non-GM...Ch. 30.3 - WHAT IF? In a few species, chloroplast genes are...Ch. 30 - A seed develops from an A. ovum B. embryo. C....
Ch. 30 - A fruit is a A. mature ovary. B. B . mature ovule....Ch. 30 - Double fertilization means that A. flowers must be...Ch. 30 - Golden Rice A. is resistant to various herbicides,...Ch. 30 - Which statement concerning grafting is correct? A....Ch. 30 - Some dioecious species have the XY genotype for...Ch. 30 - A small flower with green petals is most likely A....Ch. 30 - The pollen produced by wind-pollinated plants is...Ch. 30 - The black dots that cover strawberries are...Ch. 30 - DRAW IT Draw a flower and label the parts.Ch. 30 - SCIENTIFIC INQUIRY Critics of GM foods have argued...Ch. 30 - SCIENCE, TECHNOLOGY, AND SOCIETY People have...Ch. 30 - FOCUS ON EVOLUTION With respect to sexual...Ch. 30 - FOCUS ON ORGANIZATION In a short essay (100-150...Ch. 30 - SYNTHESIZE YOUR KNOWLEDGE This colorized SEM shows...
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- Explain the difference between gene modification and gene addition.Are the following examples of gene modification or gene addition?A. A mouse model to study cystic fibrosisB. Introduction of a pesticide-resistance gene into corn using theT-DNA vector of A. tumefaciensarrow_forwardWhich of the following BEST states genome editing in plants? A. transform large DNA constructs by suppression and activation B. insert a functional cis-regulatory element in the natural genes transgene vector C. assemble and synthesize large DNA molecules in a single transgene vector D. deletion, mutation, or integration of the gene of interest depending on the target traitarrow_forwardA gene contains the sequence CGCATACGGTAC that results in the amino acid sequence arg-ile-arg- tyr. A mutation in this gene has a G inserted after the second C in the strand. How will this mutation affect the phenotype? A:This will affect the phenotype because although most of the protein will be identical, the first amino acid will be different. B:This will not affect the phenotype because only the second amino acid is different from the original protein. C:This will not affect the phenotype because the protein will be identical to the original protein. D:This will affect the phenotvpe because all of the amino acids after the first one will be different from he original protein.arrow_forward
- What potential problems must be considered in creating a transgenic bacterium with the human insulin gene isolated from genomic DNA to produce insulin? a. The genetic code of bacteria is significantly different from the genetic code of humans. b. The bacterial cell will be unable to posttranslationally process the insulin peptide sequence. c. There is no way to get the bacterium to transcribe high levels of a human gene. d. Both a and b present problems.arrow_forwardWhich of the following is true about the enzyme telomerase? A. It is found only in adult cells. B. It is responsible for telomere shortening. C. It can re-establish telomere length. D. It may speed up the aging process. E. It is expressed at low levels in cancer cells.arrow_forwardWhich of the following terms refer to the case when a mutation results in a significant decrease or a complete loss of the functional activity of a gene product? a. gain-of-function mutation b. loss-of-function mutationarrow_forward
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