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

Какое утверждение описывает бактерии?

1. AЭто не клетки, а частицы из белка и ДНК
2. BЭто одноклеточные эукариоты с ядром
3. CЭто многоклеточные организмы, как растения
4. DЭто одноклеточные прокариоты

Какова функция лизосомы?

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

What is a tissue?

1. ASeveral organs that work together
2. BA group of similar cells that work together
3. CA structure inside a cell
4. DA single cell that has one special job in the body

What is the difference between an epidemic and a pandemic?

1. AA pandemic spreads across many countries or continents
2. BA pandemic affects only one town
3. CAn epidemic is caused only by bacteria
4. DAn epidemic affects the whole world at once

Salivary amylase begins the digestion of which nutrient in the mouth?

1. AStarch
2. BFat
3. CCellulose
4. DProtein

The results of an experiment do not support the hypothesis. What should the scientist do next?

1. AStop doing any further research on the question
2. BChange the data so they fit the hypothesis
3. CRevise the hypothesis and test it again
4. DReport that the hypothesis was proven correct

Plants in waterlogged soil take up fewer mineral ions, even when the ions are plentiful. What is the best explanation?

1. AWaterlogged roots carry out more photosynthesis
2. BRoot cells lack oxygen, so less ATP is made for active transport
3. CMineral ions only enter by osmosis, and osmosis stops in wet soil
4. DWater dilutes the ions so much that roots cannot detect them

Scientists put a human gene into bacteria to make a protein. Why do they use a DNA copy made from the mature mRNA instead of the gene taken straight from human DNA?

1. ABacteria cannot read human codons
2. BBacteria cannot remove introns
3. CHuman DNA has no start codons
4. DBacteria have no ribosomes