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

Who first worked out the basic rules of inheritance by breeding pea plants?

1. AGregor Mendel
2. BRobert Hooke
3. CCharles Darwin
4. DLouis Pasteur

Сколько хромосом в типичной клетке тела человека?

1. A44
2. B92
3. C46
4. D23

What are homologous chromosomes?

1. AChromosomes that are found only in gametes
2. BA matching pair, one from each parent, that carry the same genes
3. CTwo identical copies of one chromosome made when DNA is replicated
4. DTwo chromosomes that are always the X and the Y

What is a prion?

1. AA misfolded protein that causes normal proteins to misfold
2. BA fungal spore that infects the brain
3. CA very small virus with a DNA genome
4. DA bacterium without a cell wall that lives inside nerve cells

Which of these is part of the body's innate (non-specific) defence?

1. AT cells that recognise one virus
2. BAntibodies made after vaccination
3. CMemory B cells from an earlier infection
4. DThe skin and stomach acid

Which body system works with the respiratory system to deliver oxygen to body cells?

1. AThe urinary system
2. BThe skeletal system
3. CThe circulatory system
4. DThe digestive system

Чтобы выяснить, сколько взрослые в городе занимаются спортом, исследователь опрашивает только людей, выходящих из спортзала. В чём главная проблема?

1. AОпросы никогда нельзя использовать в науке
2. BВыборка смещена в сторону активных людей
3. CУ исследователя нет зависимой переменной
4. DВыборка слишком случайна, чтобы быть полезной

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 have no ribosomes
3. CBacteria cannot remove introns
4. DHuman DNA has no start codons