Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

Which definition of a species is most often used for animals?

1. AAny organisms that look alike
2. BA group that can interbreed and have fertile offspring
3. CAll of the different organisms that live together in one area
4. DAll the animals that eat the same food

What is an organism's genome?

1. AA single gene on one chromosome
2. BAll of its genetic material
3. CThe proteins made by one cell
4. DThe traits that can be seen

What is the main job of the large central vacuole in a plant cell?

1. AIt assembles proteins from amino acids
2. BIt copies DNA before the cell divides
3. CIt stores water and keeps the cell firm
4. DIt captures light energy for photosynthesis

Matrycowa nić DNA ma sekwencję T-A-C. Jaki jest odpowiadający jej kodon mRNA?

1. AA-T-G
2. BA-U-G
3. CU-T-G
4. DT-A-C

What happens in the lytic cycle of a virus?

1. AThe virus makes many copies in the host cell, which then bursts
2. BThe virus divides by binary fission outside the cell
3. CThe viral DNA joins the host DNA and stays inactive for a long time
4. DThe host cell makes antibodies against the virus

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

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

A scientist wants to show that a particular microbe causes a disease. According to Koch's postulates, which step is needed?

1. AThe microbe must be seen in the blood under a light microscope
2. BThe microbe must be found in healthy hosts just as often as in sick hosts
3. CThe disease must be treated successfully with antibiotics
4. DThe microbe grown from a sick host must cause the disease in a healthy host

Dlaczego organizm magazynuje energię długoterminowo w postaci tłuszczu, a nie glikogenu?

1. ATłuszcz jest rodzajem białka
2. BGlikogenu nie można rozłożyć do glukozy
3. CTłuszcz zawiera ponad dwa razy więcej energii na gram
4. DTłuszcz łatwo rozpuszcza się we krwi