Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

What are the three domains of life?

1. APlants, animals and fungi
2. BBacteria, Archaea and Eukarya
3. CBacteria, viruses and protists
4. DProkaryotes, plants and animals

Which bonds hold the two strands of a DNA double helix together?

1. APeptide bonds between the sugars
2. BIonic bonds between the phosphates
3. CHydrogen bonds between the bases
4. DDisulfide bonds between the bases

What are homologous chromosomes?

1. ATwo identical copies of one chromosome made when DNA is replicated
2. BTwo chromosomes that are always the X and the Y
3. CA matching pair, one from each parent, that carry the same genes
4. DChromosomes that are found only in gametes

Why does each type of virus infect only certain kinds of cells?

1. AIt must find cells with the same DNA as its own
2. BIt can only enter cells that are dividing by meiosis at that time
3. CIt must attach to specific receptor proteins on the cell surface
4. DIt can only enter cells that have no nucleus

In a pedigree, a trait appears in every generation, and every affected child has at least one affected parent. Which inheritance pattern is most likely?

1. AAutosomal dominant
2. BAutosomal recessive
3. CX-linked recessive
4. DA new mutation in each generation

What are introns?

1. ACodons that tell the ribosome to stop translation
2. BNon-coding sections removed from pre-mRNA before translation
3. CCoding sections joined together to form the mature mRNA
4. DShort pieces of DNA made on the lagging strand

One sample of an enzyme is boiled and then cooled to 37 °C. Another is kept at 4 °C and then warmed to 37 °C. Which sample will work at 37 °C?

1. AOnly the sample that was boiled
2. BOnly the sample that was kept at 4 °C
3. CBoth samples will work equally well
4. DNeither sample will work

Oboje rodzice mają grupę krwi O. Jaką grupę krwi mogą mieć ich dzieci?

1. AKażdą z czterech grup
2. BTylko grupę O
3. CGrupę A lub grupę O
4. DTylko grupę AB