Researchers hypothesized that a North American fungus not only caused symptoms of white-nose syndrome (WNS) but also caused death. The results from their experiment are shown in the graph
below.
20
18
18 bats were "sham
injected and received
no fungus; none died
Number of individuals
16
14
12
5 10
B
6
4
18 bats were injected with
the North American
fungus; most died before
the end of the study
2
0
20
40
60 80
Day of study
100
120
18 bats were injected with
a closely related European
fungus; most died before
the end of the study
The closed circles mark the end of the
experiment for each group of bats.
Bats injected with European fungus have a lower mortality rate than "sham injected" bats
Based on this graph, which of the following hypotheses would be the MOST logical
hypothesis for further studies?

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.