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

What is a pathogen?

1. AA medicine that kills bacteria
2. BA microorganism or agent that causes disease
3. CA harmless microbe living on the skin
4. DA cell of the immune system that fights infection

Which element is found in all organic molecules?

1. ANitrogen
2. BPhosphorus
3. CSulfur
4. DCarbon

In biology, what is a clone?

1. AA genetically identical copy of an organism, cell or gene
2. BAn offspring of two different parents
3. CA cell with an extra chromosome
4. DAn organism that carries genes from two different species

Каковы продукты аэробного клеточного дыхания?

1. AГлюкоза и кислород
2. BМолочная кислота и кислород
3. CУглекислый газ, вода и АТФ
4. DКрахмал и вода

Why can small nonpolar molecules cross the cell membrane easily while ions cannot?

1. AThe membrane carries a strong positive charge
2. BThe membrane is made mostly of long carbohydrate chains
3. CIons are larger than most membrane proteins
4. DThe bilayer's core is made of hydrophobic tails

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

1. ABacteria
2. BAnimals
3. CPlants
4. DFungi

A study finds that coffee drinkers have more lung cancer. Later it is found that coffee drinkers in the study also smoked more. What is smoking in this study?

1. AA confounding variable
2. BThe dependent variable
3. CA placebo
4. DThe control group

A leaf with green and white areas is kept in light and then tested with iodine. Only the green areas turn blue-black. What does this show?

1. AWhite areas store more starch than green areas
2. BChlorophyll is needed for photosynthesis
3. CIodine destroys chlorophyll in the leaf
4. DLight is not needed for photosynthesis