Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

Which kind of organism causes malaria?

1. AA fungus that grows on skin
2. BA protist carried by mosquitoes
3. CA bacterium carried in water
4. DA virus spread by coughing

What is an adaptation?

1. AAny mutation that damages a gene
2. BAn inherited trait that helps an organism survive in its environment
3. CA disease that weakens a population
4. DA change an organism makes during its lifetime that it then passes on

What is a karyotype?

1. AA list of all the proteins that a cell makes during its life
2. BA diagram of a family's inheritance pattern
3. CA picture of a cell's chromosomes arranged in pairs by size
4. DA map of the organelles inside a cell

Why do chromosomes condense into short, thick shapes before mitosis?

1. ASo they can be moved apart without tangling or breaking
2. BSo that genes can be transcribed more easily
3. CSo that they can leave through the nuclear pores
4. DSo that they can be copied more quickly

Why is the ABO blood group system an example of multiple alleles?

1. AEach person carries three different alleles of the ABO gene
2. BThe gene is found on several chromosomes
3. CBlood type is controlled by many separate genes
4. DThere are three alleles of the gene in the population

A greenhouse is warm and brightly lit, but the air has very little carbon dioxide. What is most likely limiting the rate of photosynthesis?

1. AThe temperature
2. BThe carbon dioxide concentration
3. CThe number of stomata
4. DThe light intensity in the greenhouse

Które zdanie poprawnie porównuje mitozę i mejozę?

1. AObie dają gamety z połową liczby chromosomów komórki macierzystej, do rozmnażania
2. BMejoza ma dwa podziały i daje cztery genetycznie różne komórki haploidalne
3. CMitoza ma dwa podziały i daje cztery identyczne komórki
4. DMejoza daje dwie komórki identyczne z macierzystą

Pojedyncza bakteria dzieli się co 20 minut. Jeśli żadna nie ginie, ile bakterii jest po 2 godzinach?

1. A128
2. B32
3. C64
4. D12