Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Which group of biomolecules forms the basic bilayer of the cell membrane and also stores long-term energy?

1. AProteins
2. BNucleic acids
3. CLipids
4. DCarbohydrates

Which carbohydrate forms plant cell walls and acts as dietary fibre?

1. AGlucose
2. BGlycogen
3. CCellulose
4. DLactose

What is natural selection?

1. AHumans breeding plants for useful traits
2. BIndividuals with helpful traits survive and reproduce more
3. CAnimals choosing which mates they like best, so traits change at random
4. DOrganisms changing their genes when they need to

Salivary amylase begins the digestion of which nutrient in the mouth?

1. AStarch
2. BFat
3. CCellulose
4. DProtein

Kırmızı çiçekli bir bitki beyaz çiçekli bir bitkiyle çaprazlanıyor ve tüm yavruların çiçekleri pembe. Bu neyi gösterir?

1. AEşeye bağlı bir özelliği
2. BEksik baskınlığı
3. CTam baskınlığı
4. DEş baskınlığı

Nerve cells release chemical messengers (neurotransmitters) stored in vesicles. By which process are they released?

1. APhagocytosis
2. BExocytosis
3. CEndocytosis
4. DOsmosis

Starch and cellulose are both made of glucose. Why can humans digest starch but not cellulose?

1. ACellulose dissolves in water but starch does not
2. BStarch is a protein, and cellulose is a lipid
3. CCellulose contains no glucose units at all, only fructose
4. DHumans lack an enzyme that breaks the bonds in cellulose

Two plants are crossed, and about half of the offspring show the dominant trait and half show the recessive trait. What are the most likely genotypes of the parents?

1. AHeterozygous × heterozygous
2. BHeterozygous × homozygous recessive
3. CHomozygous dominant × heterozygous
4. DHomozygous dominant × homozygous recessive