Biology, 26.02.2020 21:02 amberchule9681
Which of the following is (are) unique to animals? a. flagellated gametes b. heterotrophy c. the structural carbohydrate, chitin d. cells that have mitochondria e. nervous system signal conduction and muscular movementf. both d and e
Answers: 1
Biology, 22.06.2019 02:30
Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil
Answers: 1
Biology, 22.06.2019 03:00
What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.
Answers: 2
Biology, 22.06.2019 12:30
How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?
Answers: 1
Biology, 22.06.2019 20:30
The hershey and chase experiments involved the preparation of two different types of radioactively labeled phage. which of the following best explains why two preparations were required? a. the bacteriophage used in the experiments was a t2 phage. b. it was necessary that each of the two phage components, dna and protein, be identifiable upon recovery at the end of the experiment. c. each scientist had his own method for labeling phage, so each conducted the same experiment using a different isotope. d. establishing the identity of the genetic material required observation of two phage generations.
Answers: 2
Which of the following is (are) unique to animals? a. flagellated gametes b. heterotrophy c. the str...
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