Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Dalam suatu percobaan, apa itu variabel terikat?

1. AFaktor yang sengaja diubah oleh peneliti
2. BFaktor apa pun yang dijaga tetap konstan
3. CFaktor yang diukur untuk melihat pengaruhnya
4. DHipotesis yang sedang diuji

What is a tissue?

1. AA single cell that has one special job in the body
2. BSeveral organs that work together
3. CA structure inside a cell
4. DA group of similar cells that work together

What is the active site of an enzyme?

1. AThe part of the cell where the enzyme is made
2. BThe region where the substrate binds
3. CThe product formed by the reaction
4. DThe gene that codes for the enzyme

Which kind of mutation can be passed on to a person's children?

1. AA mutation in a cell that forms eggs or sperm
2. BA mutation in a liver cell caused by alcohol
3. CA mutation in a skin cell caused by sunlight
4. DA mutation in a white blood cell during infection

Which DNA bases are purines?

1. AAdenine and guanine
2. BCytosine and thymine
3. CCytosine and guanine
4. DAdenine and thymine

Why is a buffer system important in blood?

1. AIt resists changes in pH
2. BIt carries oxygen to the tissues
3. CIt raises the blood glucose level
4. DIt makes the blood clot faster

A cell is 0,00002 m wide. Which value is equal to this width?

1. A200 µm
2. B20 µm
3. C0,2 mm
4. D2 µm

A point mutation changes a codon in the middle of a gene into a stop codon. What is the most likely effect?

1. AA protein with one different amino acid
2. BA protein that is longer than normal
3. CA shortened protein that usually does not work
4. DNo change, because stop codons are ignored