Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Bir deneyde bağımlı değişken nedir?

1. AEtkiyi görmek için ölçülen etken
2. BAraştırmacının bilerek değiştirdiği etken
3. CSabit tutulan herhangi bir etken
4. DSınanan hipotez

Which codon signals the start of translation in most genes?

1. AUGA
2. BUAG
3. CUAA
4. DAUG

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

In which part of the chloroplast do the light-dependent reactions happen?

1. AIn the outer membrane
2. BIn the thylakoid membranes
3. CIn the stroma
4. DIn the cell wall

White blood cells called macrophages engulf and digest bacteria. Which organelle would you expect them to have in large numbers?

1. ACentral vacuoles
2. BLysosomes
3. CChloroplasts
4. DSmooth endoplasmic reticulum

An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?

1. ABacteria
2. BPlants
3. CAnimals
4. DFungi

Redi placed meat in open jars and in jars covered with gauze. Maggots appeared only on meat that flies could reach. What did this show?

1. AMaggots come from eggs laid by flies, not from the meat itself
2. BMeat turns into maggots when exposed to air
3. CGauze produces chemicals that stop meat from rotting
4. DFlies form from rotting meat, and then they lay eggs on fresh meat

Which evidence supports the theory that mitochondria came from bacteria that lived inside an ancient cell?

1. AThey are found in all prokaryotic cells
2. BThey make the proteins used by the whole cell, including the nucleus
3. CThey have a cell wall made of peptidoglycan
4. DThey have their own circular DNA, ribosomes and a double membrane