Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

In the scientific name Homo sapiens, what does Homo name?

1. AThe species
2. BThe genus
3. CThe kingdom
4. DThe family

What do receptor proteins in the cell membrane do?

1. AThey digest bacteria that enter the cell
2. BThey bind specific signal molecules, such as hormones
3. CThey store the cell's genetic code for making proteins
4. DThey make ATP for the cell

Which codon signals the start of translation in most genes?

1. AAUG
2. BUAA
3. CUGA
4. DUAG

Which is the correct way to write the scientific name of the gut bacterium?

1. AEscherichia Coli
2. BEscherichia coli
3. Ccoli Escherichia
4. DEscherichia Coli

What is meant by independent assortment in meiosis?

1. AAll chromosomes from the mother go into the same gamete
2. BHomologous pairs line up randomly, so gametes get different mixes of chromosomes
3. CSister chromatids stay joined until the end of meiosis, so all gametes are identical
4. DDNA is copied separately in each chromosome

Why is DNA replication called semiconservative?

1. AEach new strand is a random mix of old and new pieces
2. BThe old DNA molecule is kept whole, and a completely new one is made
3. CEach new DNA molecule has one old strand and one new strand
4. DOnly half of the DNA is copied each time

Matrycowa nić DNA ma sekwencję 3'-TACGGA-5'. Jakie mRNA z niej powstaje?

1. A5'-ATGCCT-3'
2. B5'-TACGGA-3'
3. C5'-UACGGA-3'
4. D5'-AUGCCU-3'

A breastfed baby receives antibodies from its mother's milk. Why does this protection last only a short time?

1. AThe antibodies turn into memory cells after a few weeks
2. BThe baby did not make these antibodies and forms no memory cells
3. CThe antibodies from breast milk attack the baby's own red blood cells
4. DThe baby's stomach makes the antibodies more active