Biology, 19.02.2021 18:30 tdbstonefamliy
Invasive species are hard to get rid of for which of the following reasons? *
A. They don't have food.
B. There are too many predators.
C. It is expensive to get rid of them.
D. There are too many diseases.
E. Other:
Answers: 3
Biology, 22.06.2019 13:00
In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.
Answers: 3
Biology, 22.06.2019 14:20
Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae
Answers: 1
Biology, 22.06.2019 19:20
3. in the fruit fly, recessive mutation brown, b, causes brown color of the eye and absence of red pigment. recessive mutation p of another independent gene causes purple color of the eye and absence of brown pigment. the cross of a brown-eyed female and purple-eyed male produced wild type eyes. what will be the colors and their ratio in f2?
Answers: 2
Biology, 22.06.2019 19:30
When sodium chloride dissolves in water, the sodium chloride dissociates into a. na- ions. b. cl+ ions. c. nacl ions. d. sodium chloride ions.
Answers: 2
Invasive species are hard to get rid of for which of the following reasons? *
A. They don't have fo...
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