Biology, 23.10.2019 21:30 nborowy9579
Astudent is investigating cellular transport. she fills a beaker with 250 ml of water. she places 10 drops of red food coloring into the beaker of water and makes an observation immediately, after 5 minutes, and after 30 minutes. her set up is shown below. image the student observes that the molecules of red dye move from an area of higher concentration to an area of lower concentration until equilibrium is reached. which best describes the type of cellular transport that the student is investigating? a the student is investigating the passive transport of diffusion. b the student is investigating the active transport of osmosis. c the student is investigating the active transport of diffusion. d the student is investigating the passive transport of osmosis.
Answers: 2
Biology, 22.06.2019 20:00
Which does not describe a physical change happening to water? water evaporating in the sun water reacting with nitrogen gas water freezing and being broken apart with a knife water heating up on a stove
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Biology, 22.06.2019 20:00
Whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.
Answers: 1
Biology, 22.06.2019 21:00
Mulitple choice which of the following is a function of the nucleus? a. stores dna b. stores sugars c. builds proteins d. packages proteins
Answers: 1
Astudent is investigating cellular transport. she fills a beaker with 250 ml of water. she places 10...
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