Биология для вступительных экзаменов на сестринские программы: лист заданий с ответами

What does ATP stand for?

1. AAdenosine diphosphate
2. BAdenine tetraphosphate
3. CAmino triphosphate
4. DAdenosine triphosphate

Что такое гипотеза в научном методе?

1. AПроверяемое объяснение или предположение
2. BШирокое объяснение, подтверждённое многими экспериментами
3. CВывод, доказанный как истинный
4. DСписок выполненных измерений

Which enzyme adds new nucleotides to build a new DNA strand?

1. APepsin
2. BHelicase
3. CRNA polymerase
4. DDNA polymerase

Каковы продукты аэробного клеточного дыхания?

1. AГлюкоза и кислород
2. BМолочная кислота и кислород
3. CУглекислый газ, вода и АТФ
4. DКрахмал и вода

A woman with blood type O has a child with a man of type AB. Which blood types can their children have?

1. AO only
2. BO or AB
3. CA, B, AB or O
4. DA or B

Why is DNA replication called semiconservative?

1. AThe old DNA molecule is kept whole, and a completely new one is made
2. BEach new DNA molecule has one old strand and one new strand
3. CEach new strand is a random mix of old and new pieces
4. DOnly half of the DNA is copied each time

HIV infects and destroys helper T cells. Why do people with untreated advanced HIV get infections that healthy people rarely get?

1. ATheir immune response is too weak to control normally harmless microbes
2. BHIV kills the normal flora of the skin and gut
3. CHelper T cells make the antibiotics that the body needs to fight infection
4. DThe virus turns harmless microbes into pathogens

In an onion root tip, 90 of 100 cells are in interphase and 10 are in mitosis. If the whole cell cycle takes 20 hours, about how long does mitosis last?

1. A0,5 hours
2. B18 hours
3. C10 hours
4. D2 hours