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

Какова функция лизосомы?

1. AОна улавливает энергию света для клетки
2. BОна хранит генетическую информацию клетки
3. CОна переваривает отходы и изношенные части
4. DОна синтезирует белки из аминокислот

Which substances are used up in aerobic cellular respiration?

1. ACarbon dioxide and water
2. BOxygen and water
3. CGlucose and oxygen
4. DGlucose and carbon dioxide

Which organelle breaks down fatty acids and hydrogen peroxide?

1. AChloroplast
2. BRibosome
3. CPeroxisome
4. DCentriole

Which is the correct way to write the scientific name of the gut bacterium?

1. Acoli Escherichia
2. BEscherichia Coli
3. CEscherichia Coli
4. DEscherichia coli

Что означает «диплоидный»?

1. AУ клетки нет ядра
2. BКлетка может разделиться только один раз
3. CВ клетке два набора хромосом
4. DВ клетке один набор хромосом

How does facilitated diffusion differ from active transport?

1. AIt works without any membrane proteins
2. BIt moves only water and no other substances
3. CIt needs ATP and moves substances against their gradient
4. DIt needs no energy and moves substances down their gradient

Bacteria from hot springs have enzymes that work best at about 80 °C, while most human enzymes work best near 37 °C. What is the best explanation?

1. ATheir enzymes are made of lipids, not proteins
2. BTheir enzymes have structures that stay stable at high temperatures
3. CTheir enzymes do not have an active site, so heat cannot affect them
4. DHigh temperature never affects any enzyme

A drug lowered blood pressure in a study of 20 men aged 40 to 50. Why might the result not apply to women over 70?

1. AThe results were too precise to be trusted
2. BBlood pressure cannot be measured in older women
3. CThe study had a dependent variable
4. DThe sample did not represent that group