I need help someone please
...
Answers: 1
Biology, 21.06.2019 20:00
Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.
Answers: 2
Biology, 21.06.2019 20:20
Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth
Answers: 2
Biology, 21.06.2019 22:00
Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.
Answers: 2
Biology, 22.06.2019 09:00
When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis
Answers: 2
Mathematics, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
Chemistry, 02.02.2021 01:20
Computers and Technology, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
Computers and Technology, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
SAT, 02.02.2021 01:20
Chemistry, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
Mathematics, 02.02.2021 01:20
Arts, 02.02.2021 01:20