Биология для вступительных экзаменов на сестринские программы: лист заданий с ответами

Какая структура есть у растительных клеток, но отсутствует у животных?

1. AКлеточная стенка
2. BРибосома
3. CКлеточная мембрана
4. DМитохондрия

What is an organism's genotype?

1. AThe alleles it carries for a trait
2. BThe environment in which it lives
3. CThe traits that can be seen or measured
4. DThe number of cells in its body

What is the correct order of the phases of mitosis?

1. AMetaphase, prophase, anaphase, telophase
2. BProphase, anaphase, metaphase, telophase
3. CTelophase, anaphase, metaphase, prophase
4. DProphase, metaphase, anaphase, telophase

Что происходит в реакции дегидратационного синтеза (конденсации)?

1. AВода удаляется из клетки путём осмоса
2. BДва мономера соединяются, и выделяется молекула воды
3. CПолимер расщепляется с присоединением молекулы воды
4. DКлетка высыхает и погибает

A cell has a nucleus and mitochondria but no cell wall and no chloroplasts. What kind of cell is it most likely to be?

1. AA bacterial cell
2. BA fungal cell
3. CA plant cell
4. DAn animal cell

How do embryonic stem cells differ from most adult stem cells?

1. AThey can become almost any cell type, while adult stem cells are more limited
2. BThey are haploid, while adult stem cells are diploid
3. CThey can no longer divide, while adult stem cells divide quickly
4. DThey are found only in plants, while adult stem cells are found in animals

In a family, a trait appears mostly in males. Affected men have daughters who are unaffected, but some of these daughters have affected sons. Which pattern fits best?

1. AAutosomal dominant
2. BAutosomal recessive with equal sexes
3. CX-linked recessive
4. DY-linked

A human body cell has 46 chromosomes in G1. How many chromatids does it have at metaphase of mitosis?

1. A184
2. B46
3. C23
4. D92