Робочий аркуш «Біологія для вступних іспитів на медсестринство» з відповідями

Which protein carries oxygen in red blood cells?

1. AKeratin
2. BInsulin
3. CHaemoglobin
4. DCollagen

What is cytokinesis?

1. AThe condensing of chromosomes in prophase
2. BThe copying of DNA before division
3. CThe pairing of homologous chromosomes
4. DThe division of the cytoplasm into two cells

What is a decomposer?

1. AAn organism that breaks down dead material
2. BAn animal that hunts other animals
3. CAn organism that makes food from sunlight
4. DAn animal that eats only plants

Що надає гранулярній ендоплазматичній сітці «шорсткого» вигляду?

1. AХлоропласти всередині її мембран
2. BЛізосоми, злиті з її зовнішнім боком
3. CРибосоми, прикріплені до її поверхні
4. DЖирові краплі, що зберігаються на її поверхні

Why are G–C base pairs held together more strongly than A–T pairs?

1. AG–C pairs form three hydrogen bonds, and A–T pairs form two
2. BG–C pairs are joined by strong covalent bonds instead of hydrogen bonds
3. CA–T pairs are found only in RNA
4. DG and C are both purines, so they fit more tightly

An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?

1. AFungi
2. BPlants
3. CAnimals
4. DBacteria

A large molecule contains carbon, hydrogen, oxygen, nitrogen and phosphorus. Its monomers each have a sugar and a base. What type of molecule is it?

1. AA carbohydrate
2. BA nucleic acid
3. CA protein
4. DA lipid

Home pregnancy tests use antibodies that bind the hormone hCG. Why do they react with hCG and not with other proteins in urine?

1. AAntibodies bind every protein but change colour only with hCG
2. BThe hormone hCG is a type of antibody itself
3. CUrine contains no other proteins at all
4. DEach antibody binds a specific antigen shape