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

Каковы строительные блоки (мономеры) белков?

1. AАминокислоты
2. BМоносахариды
3. CЖирные кислоты
4. DНуклеотиды

Which feature helps a sperm cell carry out its job?

1. AA cell wall for protection
2. BA large vacuole for storing water
3. CA flagellum for swimming
4. DChloroplasts for making food

Что образуется в результате митоза?

1. AДве клетки с вдвое меньшим числом хромосом
2. BДве генетически идентичные дочерние клетки
3. CОдна клетка с удвоенным числом хромосом
4. DЧетыре генетически различные дочерние клетки

What happens in the Calvin cycle of photosynthesis?

1. ALight is absorbed by chlorophyll
2. BWater is split to release oxygen
3. CCO₂ is built into sugar using ATP and NADPH
4. DGlucose is broken down to release energy

Каково основное строение вируса?

1. AЦепь аминокислот без какой-либо ДНК или РНК
2. BОдна клетка с рибосомами и митохондриями
3. CГенетический материал внутри белковой оболочки
4. DЯдро, окружённое клеточной стенкой

What are introns?

1. ANon-coding sections removed from pre-mRNA before translation
2. BCodons that tell the ribosome to stop translation
3. CShort pieces of DNA made on the lagging strand
4. DCoding sections joined together to form the mature mRNA

When caring for a patient with C. difficile infection, why is hand washing with soap and water preferred over alcohol hand rub?

1. AAlcohol makes the spores more infectious
2. BSoap kills the spores, but alcohol only kills viruses and not bacteria
3. CAlcohol does not kill its spores, but washing removes them
4. DSoap and water are faster than alcohol rub

An Rh-negative mother gives birth to an Rh-positive baby. Why could a later Rh-positive pregnancy be at risk?

1. AShe may have made anti-D antibodies that cross the placenta
2. BThe first baby's antibodies remain in her blood and attack her
3. CThe second baby will be unable to make any red cells
4. DHer red cells may become Rh positive after the birth