ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

Which of these hormones is a steroid?

1. AGlucagon
2. BTestosterone
3. CGrowth hormone
4. DInsulin

What is a trait that is controlled by many genes called?

1. AA recessive trait
2. BA sex-linked trait
3. CA polygenic trait
4. DA codominant trait

What is cytokinesis?

1. AThe copying of DNA before division
2. BThe condensing of chromosomes in prophase
3. CThe pairing of homologous chromosomes
4. DThe division of the cytoplasm into two cells

Why can DNA profiling (fingerprinting) identify individual people?

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

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 plant cell
3. CAn animal cell
4. DA fungal cell

A study finds a positive correlation between hours of exercise and lung capacity. What does this mean?

1. AAs exercise increases, lung capacity tends to increase
2. BExercise has been proven to cause higher lung capacity
3. CThere is no link between the two variables
4. DAs exercise increases, lung capacity tends to decrease

A mutation changes one amino acid in an enzyme. In which location is the change most likely to stop the enzyme from working?

1. AIn the gene's stop codon
2. BOn the outer surface, far from the active site
3. CIn the active site
4. DIn a section that is removed after the protein is made

How does a phospholipid differ from a triglyceride?

1. AOne of the fatty acids is replaced by a phosphate group
2. BIt contains no glycerol, only fatty acids and phosphate
3. CIt has four fatty acids instead of three
4. DIt is made of amino acids