Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is the job of messenger RNA (mRNA)?

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

Kontrol grubunun amacı nedir?

1. AHipotez ihtiyacının yerini almak
2. BSınanan uygulamanın mümkün olan en yüksek dozunu almak
3. CUygulama yapılan grupla karşılaştırma için bir referans sağlamak
4. DDeneyin daha çabuk bitmesini sağlamak

What is a Punnett square used for?

1. ACounting the chromosomes in a cell
2. BShowing the order of genes on a chromosome
3. CPredicting the possible genotypes of offspring
4. DMeasuring the size of a cell

An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?

1. APlants
2. BBacteria
3. CFungi
4. DAnimals

Homolog kromozomlar arasında çaprazlama (krossing-over) ne zaman gerçekleşir?

1. AMayozun profaz I evresinde
2. BMayozun telofaz II evresinde
3. Cİnterfazın S evresinde
4. DMitozun anafazında

What do the spindle fibres do during cell division?

1. AThey digest the old cell membrane
2. BThey attach to chromosomes and move them to the poles
3. CThey copy the DNA of each chromosome before the cell divides
4. DThey make the new nuclear envelope

A linear DNA molecule is fully cut by a restriction enzyme, giving fragments of 500, 300 and 200 base pairs. How long was the original molecule?

1. A300 base pairs
2. B1000 base pairs
3. C500 base pairs
4. D1500 base pairs

A colour-blind man (XᵇY) has children with a woman who carries the allele (XᴮXᵇ). What is the probability that a daughter is colour-blind?

1. A1/2
2. B1/4
3. C1
4. D0