Biology, 30.06.2020 16:01 ilovepickles930
4. What is an advantage of genetically engineered biological pacemakers over electronic pacemakers?
A) Biological pacemakers have been used much longer than electronic pacemakers.
B) Biological pacemakers inject cells into the patient rather than use surgery to insert an electronic pacemaker.
C) Biological pacemakers can be removed when they are no longer needed, but electronic pacemakers can never be removed.
D) Biological pacemakers work on all patients, but electronic pacemakers only help those patients who have had heart attacks.
Answers: 2
Biology, 22.06.2019 06:30
Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%
Answers: 1
Biology, 22.06.2019 14:50
An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.
Answers: 3
Biology, 22.06.2019 15:00
Why should organisms reproduce more offspring than will survive? select all that apply.
Answers: 2
Biology, 22.06.2019 15:20
Suppose a particular species of tulip plant has three alleles for the gene that codes for flower color. the cr allele produces red tulips, the cp allele produces purple tulips, and the cw allele produces white tulips. cr is dominant over cp and cw, and cp is dominant over cw. for each of the following crosses, determine the expected ratio of offspring for each flower color. cr cp x cp cw cr cw x cp cw 1 red: 1 purple : 0 white, 1 red: 2 purple: 1 white, 2 red: 1 purple 1 white, 1 red: 3 purple : 0 white, 2 red: 0 purple : 2 white, 2 red: 2 purple : 0 white
Answers: 2
4. What is an advantage of genetically engineered biological pacemakers over electronic pacemakers?...
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