ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

Which protein gives strength to skin, tendons and bone?

1. AMyosin
2. BCollagen
3. CAmylase
4. DHaemoglobin

ما الذي تفتقر إليه الخلايا بدائية النواة، كالبكتيريا؟

1. Aالريبوسومات
2. Bمادة وراثية على شكل DNA
3. Cنواة محاطة بغشاء
4. Dغشاء خلوي

Which list gives the main taxonomic ranks from broadest to most specific?

1. ASpecies, genus, family, order, class, phylum, kingdom, domain
2. BDomain, phylum, kingdom, order, class, genus, family, species
3. CDomain, kingdom, phylum, class, order, family, genus, species
4. DKingdom, domain, class, phylum, family, order, species, genus

What causes cohesion between water molecules?

1. AMagnetic forces between hydrogen atoms
2. BCovalent bonds between neighbouring molecules
3. CIonic bonds between oxygen atoms
4. DHydrogen bonds between neighbouring molecules

Which sequence describes the usual flow of genetic information in a cell?

1. ADNA to protein to RNA
2. BDNA to RNA to protein
3. CProtein to RNA to DNA
4. DRNA to DNA to protein

A thermometer gives readings of 36,1, 36,1 and 36,2 °C for a water bath that is really at 37,0 °C. How are these readings best described?

1. APrecise but not accurate
2. BBoth accurate and precise
3. CNeither accurate nor precise
4. DAccurate but not precise

A new infectious agent passes through filters that trap bacteria, does not grow on nutrient agar and multiplies only inside living cells. What is it most likely to be?

1. AA protozoan
2. BA bacterium
3. CA fungus
4. DA virus

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

1. A0,2 mm
2. B2 µm
3. C200 µm
4. D20 µm