Biology, 08.04.2021 05:10 sierrastrickland99
A scientist examines a bacterium and learns that it carries a gene that makes it resistant to antibacterial medication. Because bacteria reproduce through, it’s likely that of the offspring created by bacteria with this gene will be resistant to the medication.
(the first blank options) (The Second blank options)
Binary fission all
Mitosis half
regeneration none
Answers: 2
Biology, 22.06.2019 08:00
What are the student's observations and inferences before he starts his investigation?
Answers: 3
Biology, 22.06.2019 08:10
Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees
Answers: 2
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 13:00
Select the correct answer from each drop-down menu. which phase of mitotic division is the highlighted cell undergoing? the cell is undergoing , which is the stage before .
Answers: 2
A scientist examines a bacterium and learns that it carries a gene that makes it resistant to antiba...
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