Biology, 14.10.2020 01:01 kordejah348
A student puts drops of Lugol's iodine solution into the water in the beaker shown. The water turned red. After a short time, the starch solution inside the dialysis tubing turned black. Which function of the cell membrane was the student demonstrating?
Answers: 1
Biology, 22.06.2019 09:00
Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel
Answers: 3
Biology, 22.06.2019 11:00
Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?
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Biology, 22.06.2019 13:00
Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?
Answers: 1
Biology, 22.06.2019 16:30
Tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d
Answers: 1
A student puts drops of Lugol's iodine solution into the water in the beaker shown. The water turned...
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