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

Which protein carries oxygen in red blood cells?

1. ACollagen
2. BKeratin
3. CInsulin
4. DHaemoglobin

Who first used the word "cells" after looking at thin slices of cork under a microscope?

1. ALouis Pasteur
2. BCharles Darwin
3. CRobert Hooke
4. DGregor Mendel

What is a model in science?

1. AA simplified representation of a real system
2. BThe control group of a study
3. CAn exact copy that has no limitations
4. DA single measurement from an experiment

A student's hypothesis is "Salt water slows the growth of bean seedlings." Which is a prediction based on it?

1. ASeedlings given salt water will grow less than those given plain water
2. BBean seedlings need sunlight and water to grow well
3. CSeedlings given plain water will die within a week
4. DSalt water is made of sodium chloride and water

Why can DNA profiling (fingerprinting) identify individual people?

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

Какое утверждение описывает активный транспорт?

1. AОн происходит только в мёртвых клетках
2. BОн перемещает вещества по градиенту концентрации без затрат энергии
3. CОн перемещает через мембрану только воду
4. DОн использует энергию для перемещения веществ против градиента концентрации

An mRNA reads AUG-UUU-GGC-UAA. How many amino acids are in the protein made from it?

1. A2
2. B4
3. C3
4. D12

A pre-mRNA is 3000 bases long, and 1200 bases of introns are removed. If all remaining bases code for amino acids, what is the largest number of amino acids in the protein?

1. A400
2. B1000
3. C600
4. D1800