Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

What is the active site of an enzyme?

1. AThe region where the substrate binds
2. BThe product formed by the reaction
3. CThe part of the cell where the enzyme is made
4. DThe gene that codes for the enzyme

What is peer review?

1. ARepeating your own experiment many times
2. BAsking patients for their opinion of a treatment
3. CExperts checking a study before it is published
4. DReading a textbook to learn a topic

Ką veikia lizosoma?

1. AIš aminorūgščių gamina baltymus
2. BSaugo ląstelės genetinę informaciją
3. CSugauna ląstelei šviesos energiją
4. DSuskaido atliekas ir susidėvėjusias dalis

What causes cohesion between water molecules?

1. AMagnetic forces between hydrogen atoms
2. BCovalent bonds between neighbouring molecules
3. CHydrogen bonds between neighbouring molecules
4. DIonic bonds between oxygen atoms

In a eukaryotic cell, where does transcription take place?

1. AIn the Golgi apparatus
2. BIn the lysosomes
3. CIn the nucleus
4. DOn ribosomes in the cytoplasm

Kaip fermentas pagreitina cheminę reakciją?

1. APrideda energijos produktams
2. BPakelia ląstelės temperatūrą
3. CSumažina aktyvacijos energiją
4. DSunaudojamas kaip reagentas

Some viruses are surrounded by a lipid envelope taken from the host cell's membrane. Why are these viruses usually inactivated easily by soap and alcohol?

1. ASoap and alcohol break up the lipid envelope
2. BSoap and alcohol dissolve the viral DNA directly
3. CEnveloped viruses have no proteins at all
4. DThe envelope is made of chitin, which soap digests

A plant that is AaBb is crossed with an AaBB plant. A and B are dominant, and the genes assort independently. What fraction of the offspring show both dominant traits?

1. A9/16
2. B1/2
3. C1/4
4. D3/4