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17.9 Using genes_1

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Biology

8th Grade

Used 1+ times

17.9  Using genes_1
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Malaria victims used to buy medicines to help them recover.

They were very cheap.

Unfortunately,

these medicines no longer work.


Why

most populations of the protozoa are resistant,

most populations of the protozoa are died

most populations of the protozoa are change

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The best cure for malaria is an expensive chemical called ...............................

artemisinin

insulin

iodin

non of all

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The best cure is an expensive chemical called artemisinin.

To stop resistance to this chemical developing,


it is mixed with other chemicals to make a medicine called .............................

ACT

DRACT

TAC

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Microbes .................... develop resistance to more than one chemical at once,

always

rarely

never

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The best cure is an expensive chemical called artemisinin.


Why it is expensive?

It is rare in the world

Difficult to extract

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

US scientists used

....................................

to produce artemisinin more cheaply.

genetic engineering

natural breeding

selective breeding

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

US scientists used

genetic engineering

to produce artemisinin more cheaply.

Scientists found the genes

that plants use to make the chemical,

and put them into ............................................. cells.

bacterial

plant

yeast

animal

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