Biology, 08.09.2021 06:10 kimjooin02
We test your stomach fluid and find that it has a ph of 4.2. Which of the following is true?
(There may be multiple answers)
It is basic
It is alkaline
It is acidic
It contains many H+
It contains many OH-
Answers: 1
Biology, 22.06.2019 02:30
Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.
Answers: 1
Biology, 22.06.2019 22:10
Red blood cells are responsible for transporting oxygen in the blood. people with sickle cell anemia were born with a defective gene that results in sickle-shaped red blood cells. individuals with the disease often suffer pain in their extremities due to the build-up of these cells causing blockages in the blood vessels. the shape of the blood cells also reduces the amount of oxygen transported in the blood.
Answers: 1
Biology, 22.06.2019 23:30
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the correspondingbones in whales have very different shapes and proportions. however, genetic data suggest that all three kindsof organisms diverged from a common ancestor at about the same time. which of the following is the mostlikely explanation for these data? a) humans and bats evolved by natural selection, and whales evolved by lamarckian mechanisms.b) forelimb evolution was adaptive in people and bats, but not in whales.c) natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy.d) genes mutate faster in whales than in humans or bats.e) whales are not properly classified as mammals.
Answers: 2
We test your stomach fluid and find that it has a ph of 4.2. Which of the following is true?
(Ther...
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