Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is a model in science?

1. AAn exact copy that has no limitations
2. BA single measurement from an experiment
3. CThe control group of a study
4. DA simplified representation of a real system

What is the main job of the cell wall in a plant cell?

1. ATo release energy from glucose
2. BTo control which genes are switched on in the nucleus
3. CTo support the cell and stop it from bursting
4. DTo make proteins for the cell

What is the active site of an enzyme?

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

In a food chain, which organisms are the producers?

1. AFungi that break down dead material
2. BPlants and algae that make food by photosynthesis
3. CAnimals that eat only plants, such as rabbits and deer
4. DPredators at the top of the chain

Where does the oxygen released by photosynthesis come from?

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

Apa perbedaan difusi terfasilitasi dengan difusi sederhana?

1. AHanya memindahkan gas seperti oksigen
2. BMemakai protein kanal atau protein pembawa tetapi tidak memakai ATP
3. CMemindahkan molekul melawan gradiennya memakai pompa dan ATP
4. DMemakai ATP untuk memindahkan molekul ke arah yang menanjak

A person's body temperature starts to fall in a cold room. Which responses help bring it back up?

1. ASlower heart rate and less muscle activity
2. BSweating and widening of blood vessels in the skin
3. CFaster breathing and more urine production
4. DShivering and narrowing of blood vessels in the skin

A bag made of membrane that lets only water through contains a 10% sugar solution. It is placed in a beaker of 5% sugar solution. What happens?

1. AWater moves out of the bag, and the bag loses mass
2. BWater moves into the bag, and the bag gains mass
3. CSugar moves out of the bag until both are 7,5%
4. DNothing changes, because sugar cannot cross