1.やさしい
What is an allele?
- AA protein made from a gene
- BA different version of the same gene
- CA pair of matching chromosomes from each parent
- DA section of DNA between genes
2.やさしい
Which substances are used up in aerobic cellular respiration?
- ACarbon dioxide and water
- BGlucose and carbon dioxide
- CGlucose and oxygen
- DOxygen and water
3.やさしい
What are cilia?
- ASmall round sacs that hold digestive enzymes
- BOpenings in the nuclear envelope
- CFolds of the inner mitochondrial membrane that make ATP
- DShort hair-like projections that beat in waves
4.ふつう
A student switches a light microscope from low power to high power. What happens to the field of view?
- AIt gets larger but less detailed
- BIt stays the same size but gets brighter
- CIt gets smaller and usually darker
- DIt gets larger and brighter
5.ふつう
Which is an example of negative feedback?
- AContractions growing stronger during labour
- BBlood clotting speeding up once it starts
- CA wound becoming more inflamed over time
- DSweating when body temperature rises
6.ふつう
Which list puts these human energy sources in order from fastest to use to longest-lasting store?
- AATP, then fat, then glycogen
- BGlycogen, then ATP, then fat
- CATP, then glycogen, then fat
- DFat, then glycogen, then ATP
7.むずかしい
PCR starts with one double-stranded DNA molecule, and the number of copies doubles each cycle. How many copies are there after 10 cycles?
- A1024
- B512
- C100
- D20
8.むずかしい
Redi placed meat in open jars and in jars covered with gauze. Maggots appeared only on meat that flies could reach. What did this show?
- AMaggots come from eggs laid by flies, not from the meat itself
- BFlies form from rotting meat, and then they lay eggs on fresh meat
- CMeat turns into maggots when exposed to air
- DGauze produces chemicals that stop meat from rotting
解答
- 1. B · A different version of the same gene
- 2. C · Glucose and oxygen
- 3. D · Short hair-like projections that beat in waves
- 4. C · It gets smaller and usually darker
- 5. D · Sweating when body temperature rises
- 6. C · ATP, then glycogen, then fat
- 7. A · 1024
- 8. A · Maggots come from eggs laid by flies, not from the meat itself
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