Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Kuri organelė eukariotinėje ląstelėje pagamina daugiausia ATP?

1. AGoldžio kompleksas
2. BMitochondrija
3. CRibosoma
4. DLizosoma

What are the three parts of a nucleotide?

1. AAn amino group, a sugar and a fatty acid
2. BA phosphate, a sugar and a nitrogen base
3. CA carboxyl group, a base and a lipid
4. DA glycerol, a phosphate and a fatty acid

What is a monomer?

1. AA molecule that contains no carbon
2. BA small unit that joins with others to form a polymer
3. CA very large molecule that is made of many smaller units
4. DAn enzyme that breaks down polymers

Kada vyksta homologinių chromosomų pasikeitimas atkarpomis (krosingoveris)?

1. APirmosios mejozės profazėje
2. BInterfazės S fazėje
3. CAntrosios mejozės telofazėje
4. DMitozės anafazėje

Where does the oxygen released by photosynthesis come from?

1. AFrom water molecules that are split
2. BFrom glucose that is broken down
3. CFrom carbon dioxide molecules that are split
4. DFrom chlorophyll that is used up

Red-green colour blindness is X-linked recessive. A colour-blind woman (XᵇXᵇ) has children with a man with normal colour vision (XᴮY). What fraction of their sons is expected to be colour-blind?

1. AOne half
2. BOne quarter
3. CNone
4. DAll

A farmer's crops grow poorly in soil lacking nitrates. Why do plants need nitrogen?

1. ATo make amino acids, proteins and nucleic acids
2. BTo build cellulose cell walls
3. CTo make glucose during photosynthesis
4. DTo absorb more carbon dioxide through the stomata

Under the microscope, homologous chromosomes are moving to opposite poles, and each is still made of two chromatids. Which stage is this?

1. AProphase of mitosis
2. BAnaphase II of meiosis
3. CAnaphase of mitosis
4. DAnaphase I of meiosis