ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

ข้อใดต่อไปนี้เป็นเห็ดรา

1. Aไวรัสไข้หวัดใหญ่
2. BEscherichia coli
3. Cยีสต์
4. Dอะมีบา

What is an organism's genome?

1. AThe proteins made by one cell
2. BA single gene on one chromosome
3. CAll of its genetic material
4. DThe traits that can be seen

What is the SI base unit of mass?

1. AGram
2. BKilogram
3. CLitre
4. DPound

What happens when a ribosome reaches a stop codon on the mRNA?

1. AThe mRNA is copied back into DNA
2. BThe ribosome goes back to the start codon
3. CTranslation ends and the protein is released
4. DA special amino acid is added to end the chain

Researchers randomly assign patients to receive either a new wound dressing or the standard dressing and compare healing times. What type of study is this?

1. AA controlled experiment
2. BA survey
3. CAn observational study
4. DA case report

A person catches chickenpox once and does not usually become ill with it again. Why?

1. AThe virus stays in the blood and kills new viruses
2. BAntibodies from the first infection turn into new viruses
3. CMemory cells give a faster, stronger response the next time
4. DThe skin becomes thicker after the first infection

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. AAn amoeba
2. BA bacterium
3. CA virus
4. DA yeast

Scientists put a human gene into bacteria to make a protein. Why do they use a DNA copy made from the mature mRNA instead of the gene taken straight from human DNA?

1. ABacteria have no ribosomes
2. BHuman DNA has no start codons
3. CBacteria cannot remove introns
4. DBacteria cannot read human codons