Phiếu bài tập Sinh học cho kỳ thi đầu vào điều dưỡng có đáp án

Chất nào sau đây là lipid?

1. AGlycogen, dạng dự trữ của glucose
2. BTriglyceride (chất béo)
3. CDNA
4. DHemoglobin

Quang hợp tạo ra những chất nào?

1. AProtein và nitơ
2. BGlucose và oxygen
3. CCarbon dioxide và nước
4. DAcid lactic và ATP

What does phloem carry in a plant?

1. AChlorophyll to the stem
2. BSugars made in the leaves
3. CCarbon dioxide from the air
4. DWater from the roots only

A patient's heart rate is measured four times: 70, 72, 74 and 80 beats per minute. What is the mean?

1. A74 beats per minute
2. B73 beats per minute
3. C80 beats per minute
4. D72 beats per minute

Why does each type of virus infect only certain kinds of cells?

1. AIt must find cells with the same DNA as its own
2. BIt must attach to specific receptor proteins on the cell surface
3. CIt can only enter cells that are dividing by meiosis at that time
4. DIt can only enter cells that have no nucleus

Which list puts these human energy sources in order from fastest to use to longest-lasting store?

1. AFat, then glycogen, then ATP
2. BATP, then glycogen, then fat
3. CGlycogen, then ATP, then fat
4. DATP, then fat, then glycogen

Why does cooking oil not mix with water?

1. AWater molecules are nonpolar and avoid each other
2. BOil molecules are polar and repel the charged ends of water molecules
3. COil molecules are nonpolar and cannot form hydrogen bonds with water
4. DOil is denser than water and sinks

The antibiotic tetracycline binds to bacterial ribosomes. Which process does it block, and why are human cells much less affected?

1. ATranslation, because bacterial ribosomes differ from human ribosomes
2. BTranslation, because human cells have no ribosomes
3. CDNA replication, because bacteria have no DNA polymerase
4. DTranscription, because human cells have no RNA polymerase of their own