1.やさしい
What is an inference?
- AA measurement taken with a calibrated instrument in a laboratory
- BA conclusion reached from observations and prior knowledge
- CA variable that the scientist changes on purpose
- DA list of the materials used in an experiment
2.やさしい
In the scientific name Homo sapiens, what does Homo name?
- AThe genus
- BThe family
- CThe kingdom
- DThe species
3.やさしい
Which enzyme unwinds the DNA double helix and separates the two strands for copying?
- ALipase
- BAmylase
- CLigase
- DHelicase
4.ふつう
The human arm, bat wing and whale flipper contain the same set of bones. What does this suggest?
- AThey evolved completely separately
- BThey have the same function
- CThey are the result of acquired traits
- DThey share a common ancestor
5.ふつう
Why must human gametes be haploid?
- ASo that the gametes can make more proteins
- BSo that the gametes can divide quickly by mitosis
- CSo that the zygote has twice the normal number of chromosomes
- DSo that the zygote has the normal number of 46 chromosomes
6.ふつう
What happens to a protein when it is denatured?
- AIt turns into a carbohydrate
- BIt loses its 3D shape but keeps its amino acid sequence
- CIt loses some of its amino acids but keeps its folded shape
- DIt becomes more active than before
7.むずかしい
ボランティアにカフェインを 0、100、200 mg 飲んでもらい、30 分後の心拍数を測定する。従属変数は何か。
- A30 分後の心拍数
- B30 分間の待ち時間
- Cボランティア自身
- Dカフェインの量
8.むずかしい
After a meal, blood glucose rises. Which response brings it back to normal?
- AThe pancreas releases insulin, and cells take up glucose
- BThe pancreas releases glucagon, and the liver releases glucose
- CThe liver stops storing glycogen and releases more glucose
- DThe kidneys release insulin into the urine
解答
- 1. B · A conclusion reached from observations and prior knowledge
- 2. A · The genus
- 3. D · Helicase
- 4. D · They share a common ancestor
- 5. D · So that the zygote has the normal number of 46 chromosomes
- 6. B · It loses its 3D shape but keeps its amino acid sequence
- 7. A · 30 分後の心拍数
- 8. A · The pancreas releases insulin, and cells take up glucose
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