Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Which of these is qualitative data?

1. AThe urine sample is dark yellow
2. BThe wound is 3 cm long
3. CThe pulse rate is 72 beats per minute
4. DThe patient weighs 68 kg

What are round (spherical) bacteria called?

1. AVibrios
2. BCocci
3. CSpirilla
4. DBacilli

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

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

Why can DNA profiling (fingerprinting) identify individual people?

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

Kodėl labai aukšta temperatūra sustabdo daugumos fermentų veikimą?

1. AKarštis akimirksniu suskaido fermentą į aminorūgštis
2. BFermentas denatūruojasi: pasikeičia jo aktyviojo centro forma
3. CFermentas juda per lėtai, kad sutiktų substratą
4. DSubstratas virsta kitu fermentu

Why do the palisade cells near the top surface of a leaf contain many chloroplasts?

1. AThey get the most light and do most of the photosynthesis
2. BThey store most of the plant's water for dry periods
3. CThey carry sugars from the leaves down to the roots
4. DThey protect the leaf from insects and strong winds

A single-celled microbe has a nucleus and a cell wall made of chitin, and it reproduces by budding. What is it most likely to be?

1. AA bacterium
2. BA yeast
3. CAn amoeba
4. DA virus

Cyanide stops mitochondria from making ATP. Which process in the affected cells would stop first?

1. AFacilitated diffusion of glucose down its gradient
2. BOsmosis of water across the membrane
3. CPumping of Na⁺ and K⁺ by the sodium-potassium pump
4. DSimple diffusion of oxygen into the cell