Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Which kind of organism causes malaria?

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

Kas teisinga apie dominantinį alelį?

1. AJis niekada nepasireiškia fenotipe
2. BJis visada paveldimas iš motinos
3. CJis pasireiškia tik tada, kai yra dvi jo kopijos
4. DJis pasireiškia, kai yra tik viena jo kopija

Which characteristic is shared by all living things?

1. AThey respond to changes in their environment
2. BThey are made of many cells
3. CThey make their own food by photosynthesis
4. DThey have a backbone and a brain

Kuri seka yra komplementari DNR grandinei A-T-G-C-C-A?

1. AG-C-A-T-T-G
2. BT-A-C-G-G-T
3. CU-A-C-G-G-U
4. DA-T-G-C-C-A

When plotting the results of an experiment, which variable usually goes on the y-axis?

1. AThe controlled variable
2. BThe dependent variable
3. CThe independent variable
4. DThe time the experiment started

What is the role of cholesterol in animal cell membranes?

1. AIt keeps membrane fluidity stable as temperature changes
2. BIt carries glucose molecules across the membrane into the cell
3. CIt stores the cell's genetic information
4. DIt forms a rigid wall around the cell

Two plants are crossed, and about half of the offspring show the dominant trait and half show the recessive trait. What are the most likely genotypes of the parents?

1. AHeterozygous × heterozygous
2. BHomozygous dominant × heterozygous
3. CHeterozygous × homozygous recessive
4. DHomozygous dominant × homozygous recessive

Why can a scientific hypothesis never be proven true with absolute certainty?

1. AEvery experiment contains a mistake
2. BNew evidence could always contradict it in the future
3. CHypotheses are only opinions and cannot be tested
4. DScientists are not allowed to reach any conclusions