Биология для вступительных экзаменов на сестринские программы: лист заданий с ответами
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Имя: ____________________ Дата: ____________
1.Лёгкая
In genetics, what is a carrier?
AA person with two recessive alleles who has the disorder
BA person with one recessive allele for a disorder but no symptoms
CA person who has lost both alleles for the gene, so shows no trait
DA person who has a dominant disorder
2.Лёгкая
What is a karyotype?
AA picture of a cell's chromosomes arranged in pairs by size
BA diagram of a family's inheritance pattern
CA map of the organelles inside a cell
DA list of all the proteins that a cell makes during its life
3.Лёгкая
Что такое независимая переменная в эксперименте?
AГруппа, не получающая воздействия
BФактор, который измеряют как результат
CФактор, который исследователь намеренно изменяет
DФактор, одинаковый во всех группах
4.Средняя
How does cytokinesis differ between animal cells and plant cells?
AAnimal cells pinch in with a furrow; plant cells build a cell plate
BOnly plant cells carry out cytokinesis
COnly animal cells carry out cytokinesis
DAnimal cells build a cell plate; plant cells pinch in with a furrow
5.Средняя
A person catches chickenpox once and does not usually become ill with it again. Why?
AMemory cells give a faster, stronger response the next time
BThe skin becomes thicker after the first infection
CAntibodies from the first infection turn into new viruses
DThe virus stays in the blood and kills new viruses
6.Средняя
Which of these is part of the body's innate (non-specific) defence?
AT cells that recognise one virus
BMemory B cells from an earlier infection
CAntibodies made after vaccination
DThe skin and stomach acid
7.Сложная
A food sample turns purple with biuret reagent but stays yellow-brown with iodine solution. What does the sample contain?
AFat but no protein
BStarch but no protein
CProtein but no starch
DBoth protein and starch
8.Сложная
Sweating cools the body. Which property of water best explains this?
AIt is a nonpolar solvent
BIt is less dense as ice than as a liquid
CIt takes a lot of heat energy to evaporate
DIt has a very low specific heat
Ответы
1. B · A person with one recessive allele for a disorder but no symptoms
2. A · A picture of a cell's chromosomes arranged in pairs by size
3. C · Фактор, который исследователь намеренно изменяет
4. A · Animal cells pinch in with a furrow; plant cells build a cell plate
5. A · Memory cells give a faster, stronger response the next time
6. D · The skin and stomach acid
7. C · Protein but no starch
8. C · It takes a lot of heat energy to evaporate
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