Biology, 09.11.2019 06:31 122333444469
Which of the following statements is false? group of answer choices a) dissolved gases such as nitric oxide (no) can act as signal molecules, but because they cannot directly activate intracellular proteins they must act by affecting membrane lipids. b) nucleotides and amino acids can act as extracellular signal molecules. c) some signal molecules are transmembrane proteins. d) some signal molecules can bind directly to intracellular proteins that bind dna and regulate gene transcription.
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Biology, 21.06.2019 21:20
How is mitosis different in plants and animals? a. in animals, the cell membrane pinches together. b. in plants,the dna is one circular chromosomes. c. in plants, there are no sister chromatids. d. in animals, a new cell wall forms.
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Biology, 22.06.2019 05:00
Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?
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Biology, 22.06.2019 11:10
Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.
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Biology, 22.06.2019 13:00
Which of the following is an abiotic factor in an ecosystem? a. bacteriab. airc. niched. grass(abiotic=non-living) me !
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Which of the following statements is false? group of answer choices a) dissolved gases such as nitr...
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