Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is the job of messenger RNA (mRNA)?

1. AIt stores genetic information in the nucleus permanently
2. BIt carries amino acids to the ribosomes
3. CIt carries the genetic code from DNA to the ribosomes
4. DIt forms the main structure of the ribosome

Apa unit penyusun (monomer) protein?

1. AMonosakarida
2. BAsam lemak
3. CNukleotida
4. DAsam amino

What is a model in science?

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

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 found only in plants, while adult stem cells are found in animals
3. CThey can no longer divide, while adult stem cells divide quickly
4. DThey are haploid, while adult stem cells are diploid

Apa perbedaan difusi terfasilitasi dengan difusi sederhana?

1. AMemakai ATP untuk memindahkan molekul ke arah yang menanjak
2. BMemindahkan molekul melawan gradiennya memakai pompa dan ATP
3. CMemakai protein kanal atau protein pembawa tetapi tidak memakai ATP
4. DHanya memindahkan gas seperti oksigen

What causes cohesion between water molecules?

1. AIonic bonds between oxygen atoms
2. BMagnetic forces between hydrogen atoms
3. CHydrogen bonds between neighbouring molecules
4. DCovalent bonds between neighbouring molecules

Cells lining the small intestine have tiny finger-like folds of membrane called microvilli. What does this tell you about their job?

1. AThey protect the gut from bacteria by producing mucus
2. BThey absorb substances, so they need a large surface area
3. CThey move food along by beating like cilia
4. DThey make digestive enzymes in large amounts

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. AA virus
2. BA yeast
3. CAn amoeba
4. DA bacterium