Робочий аркуш «Біологія для вступних іспитів на медсестринство» з відповідями

Which sugar is found in DNA?

1. ADeoxyribose
2. BFructose
3. CRibose
4. DGlucose

What are homologous chromosomes?

1. AChromosomes that are found only in gametes
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. DTwo chromosomes that are always the X and the Y

Що таке гіпотеза в науковому методі?

1. AПерелік проведених вимірювань
2. BПояснення або передбачення, яке можна перевірити
3. CШироке пояснення, підтверджене багатьма експериментами
4. DВисновок, який доведено як істинний

A deletion removes exactly three bases, forming one whole codon, from the middle of a gene. What is the most likely result?

1. AThe protein becomes three times longer
2. BEvery amino acid after the deletion is changed to a new one
3. CNo protein can be made at all
4. DThe protein lacks one amino acid but the rest is unchanged

What does Mendel's law of segregation state?

1. AGenes on different chromosomes are always inherited together
2. BEach gamete receives both alleles of every gene
3. CDominant alleles are more common in a population than recessive ones
4. DThe two alleles of a gene separate so each gamete gets only one

Як фермент прискорює хімічну реакцію?

1. AПідвищує температуру клітини
2. BДодає енергії до продуктів
3. CЗнижує енергію активації
4. DВитрачається як реагент

Paper discs with antibiotics X, Y and Z are placed on a plate covered with bacteria. The clear zones around them are 2 mm, 15 mm and 0 mm wide. What is the best conclusion?

1. AAll three are equally effective against these bacteria
2. BY is most effective, and the bacteria are resistant to Z
3. CZ is most effective, because no bacteria grew under the disc
4. DX is most effective, and the bacteria are resistant to Y

Redi placed meat in open jars and in jars covered with gauze. Maggots appeared only on meat that flies could reach. What did this show?

1. AMeat turns into maggots when exposed to air
2. BFlies form from rotting meat, and then they lay eggs on fresh meat
3. CGauze produces chemicals that stop meat from rotting
4. DMaggots come from eggs laid by flies, not from the meat itself