Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Kurios keturios bazės yra DNR?

1. AAlaninas, timinas, glicinas ir cisteinas
2. BAdeninas, timinas, gliukozė ir citozinas
3. CAdeninas, timinas, guaninas ir citozinas
4. DAdeninas, uracilas, guaninas ir citozinas

What are the parts of a triglyceride (a fat molecule)?

1. AThree glucose units and one phosphate
2. BOne glycerol and three fatty acids
3. CTwo glycerols and one fatty acid
4. DOne amino acid and three fatty acids

Kuri struktūra yra augalų, bet ne gyvūnų ląstelėse?

1. ALąstelės sienelė
2. BMitochondrija
3. CLąstelės membrana
4. DRibosoma

Which stage of aerobic respiration produces the most ATP?

1. AThe Krebs cycle in the matrix
2. BFermentation
3. CGlycolysis in the cytoplasm
4. DThe electron transport chain

Kuri seka yra komplementari DNR grandinei A-T-G-C-C-A?

1. AG-C-A-T-T-G
2. BT-A-C-G-G-T
3. CA-T-G-C-C-A
4. DU-A-C-G-G-U

HIV is a retrovirus. What does its enzyme reverse transcriptase do?

1. AIt makes RNA from the host's DNA
2. BIt makes proteins from the virus's DNA
3. CIt breaks down the host's ribosomes
4. DIt makes DNA from the virus's RNA

Why are there usually far fewer top predators than herbivores in an ecosystem?

1. ATop predators reproduce faster than herbivores, so they die sooner
2. BHerbivores eat the young of top predators
3. CEnergy is lost at each step, leaving little for the top level
4. DTop predators need less energy than herbivores

Two parents who both have a genetic condition have a child who does not. Assuming a single gene, what inheritance pattern does this show?

1. AX-linked recessive, with the father as a carrier
2. BAutosomal recessive, with both parents heterozygous
3. CAutosomal recessive, with both parents homozygous
4. DAutosomal dominant, with both parents heterozygous