Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

What are homologous chromosomes?

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

In which form do animals store glucose in the liver and muscles?

1. ACellulose
2. BStarch
3. CGlycogen
4. DChitin

Jakie substancje powstają w fotosyntezie?

1. ADwutlenek węgla i woda
2. BGlukoza i tlen
3. CBiałko i azot
4. DKwas mlekowy i ATP

Why are stains such as iodine or methylene blue added to cells on a microscope slide?

1. ATo make the cells divide
2. BTo make the cells larger
3. CTo keep the cells alive for longer
4. DTo make structures easier to see

Why can DNA profiling (fingerprinting) identify individual people?

1. ARepeated non-coding DNA regions vary in length between people
2. BEach person's genes code for different amino acids
3. CDNA in blood differs from DNA in skin
4. DEvery person has a different number of chromosomes in their cells

How can bacteria pass antibiotic-resistance genes directly to other bacteria?

1. ABy mitosis, sharing copies of their chromosomes with neighbours
2. BBy meiosis, forming gametes with new alleles
3. CBy conjugation, transferring plasmids through a pilus
4. DBy osmosis, moving genes in water

In snapdragons, flower colour shows incomplete dominance: RR is red, RW is pink and WW is white. Two pink plants are crossed. What phenotype ratio is expected?

1. A1 red : 2 pink : 1 white
2. BAll pink, like the parents
3. C1 red : 1 white
4. D3 red : 1 white

A drug lowered blood pressure in a study of 20 men aged 40 to 50. Why might the result not apply to women over 70?

1. ABlood pressure cannot be measured in older women
2. BThe results were too precise to be trusted
3. CThe study had a dependent variable
4. DThe sample did not represent that group