Biology, 19.09.2019 18:00 cjstablet04
The gene for hemoglobin has two alleles, a and s. normal adult hemoglobin is produced by the allele a. that molecule has a shape that allows it to bind with oxygen molecules. there is another hemoglobin allele, allele s. produces abnormal hemoglobin molecules, which causes red blood cells to have an abnormal shape (as in the image on the right (2) below) (options in the comments)
Answers: 2
Biology, 22.06.2019 00:50
Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back
Answers: 2
Biology, 22.06.2019 01:00
Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand
Answers: 1
Biology, 22.06.2019 21:30
The model illustrates a process by which a substance is taken up by a cell. which statements describe the process? a. the model shows the process of endocytosis. b. the process shown in the model requires energy from the cell. c. the cell membrane in the model remains intact throughout the process. d. the model shows the process of facilitated diffusion.
Answers: 1
Biology, 22.06.2019 23:30
How do light years astronomers to determine the ages of distant objects in space ?
Answers: 1
The gene for hemoglobin has two alleles, a and s. normal adult hemoglobin is produced by the allele...
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