Робочий аркуш «Біологія для вступних іспитів на медсестринство» з відповідями

Which kind of organism causes malaria?

1. AA virus spread by coughing
2. BA fungus that grows on skin
3. CA protist carried by mosquitoes
4. DA bacterium carried in water

Which group of biomolecules forms the basic bilayer of the cell membrane and also stores long-term energy?

1. ACarbohydrates
2. BLipids
3. CProteins
4. DNucleic acids

What is homeostasis?

1. AKeeping a stable internal environment
2. BBreaking down food for energy
3. CMaking identical copies of a cell
4. DChanging a species over many generations

Яка послідовність комплементарна ланцюгу ДНК A-T-G-C-C-A?

1. AG-C-A-T-T-G
2. BU-A-C-G-G-U
3. CA-T-G-C-C-A
4. DT-A-C-G-G-T

Why do chromosomes condense into short, thick shapes before mitosis?

1. ASo they can be moved apart without tangling or breaking
2. BSo that they can be copied more quickly
3. CSo that genes can be transcribed more easily
4. DSo that they can leave through the nuclear pores

Why does PCR use a DNA polymerase taken from bacteria that live in hot springs?

1. AIt survives the high temperatures used to separate the strands
2. BIt makes the DNA strands stick together
3. CIt works only in the dark, like the bacteria it comes from
4. DIt copies RNA as well as DNA

A bag made of membrane that lets only water through contains a 10% sugar solution. It is placed in a beaker of 5% sugar solution. What happens?

1. ANothing changes, because sugar cannot cross
2. BSugar moves out of the bag until both are 7,5%
3. CWater moves into the bag, and the bag gains mass
4. DWater moves out of the bag, and the bag loses mass

У двох батьків без захворювання народжується дитина із захворюванням. Якщо припустити один ген, яке пояснення найімовірніше?

1. AОзнака домінантна, і один із батьків гомозиготний
2. BОзнака рецесивна, і обоє батьків — носії
3. CДитина успадкувала ознаку лише від Y-хромосоми батька
4. DОзнака домінантна, і обоє батьків хворі