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

Осмос — це дифузія якої речовини крізь вибірково проникну мембрану?

1. AВоди
2. BГлюкози
3. CЙонів натрію
4. DБілків

What is an organism's genotype?

1. AThe number of cells in its body
2. BThe alleles it carries for a trait
3. CThe traits that can be seen or measured
4. DThe environment in which it lives

A solution has a pH of 3. How is it described?

1. ABasic
2. BIsotonic
3. CAcidic
4. DNeutral

What is a prion?

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

What do nitrogen-fixing bacteria do?

1. AThey turn carbon dioxide into sugar
2. BThey convert nitrogen gas into compounds that plants can use
3. CThey release nitrogen gas from dead organisms into the air
4. DThey break down proteins into glucose

Why do many plants close their stomata on hot, dry days?

1. ATo release more oxygen
2. BTo speed up photosynthesis
3. CTo reduce water loss
4. DTo take in more carbon dioxide

Sucrose is broken down into glucose and fructose during digestion. What type of reaction is this?

1. ADehydration synthesis, which uses a water molecule
2. BHydrolysis, which uses a water molecule
3. CDehydration synthesis, which releases a water molecule
4. DHydrolysis, which releases a water molecule

After a long course of broad-spectrum antibiotics, a patient develops severe diarrhoea caused by Clostridioides difficile. What is the most likely reason?

1. AThe antibiotics killed normal gut bacteria that kept C. difficile in check
2. BC. difficile was made by the patient's own immune system
3. CThe antibiotics made the gut lining produce spores
4. DThe antibiotics changed some of the harmless gut bacteria into C. difficile