ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What is the job of the capsule found around some bacteria?

1. AIt is used to swim through liquids
2. BIt protects the cell, for example from white blood cells
3. CIt helps the bacterium make energy by photosynthesis
4. DIt holds the bacterium's main chromosome

Which protein carries oxygen in red blood cells?

1. AInsulin
2. BCollagen
3. CHaemoglobin
4. DKeratin

ما المواد الناتجة عن البناء الضوئي؟

1. Aالغلوكوز والأكسجين
2. Bالبروتين والنيتروجين
3. Cثاني أكسيد الكربون والماء
4. Dحمض اللبن وATP

The results of an experiment do not support the hypothesis. What should the scientist do next?

1. AReport that the hypothesis was proven correct
2. BStop doing any further research on the question
3. CChange the data so they fit the hypothesis
4. DRevise the hypothesis and test it again

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

What is the function of the pores in the nuclear envelope?

1. AThey let chromosomes leave the nucleus to be copied
2. BThey make ribosomal RNA for the cell
3. CThey let molecules such as mRNA pass in and out
4. DThey attach the nucleus to the cell membrane

يعمل البيبسين في المعدة حيث الرقم الهيدروجيني نحو 2. ماذا يحدث لنشاطه في الأمعاء الدقيقة حيث الرقم الهيدروجيني نحو 8؟

1. Aيتحول إلى إنزيم مختلف يهضم الدهون
2. Bينخفض لأن الرقم الهيدروجيني بعيد عن مثلاه
3. Cلا يتغير لأن الرقم الهيدروجيني لا يؤثر في الإنزيمات
4. Dيرتفع لأن الإنزيمات تفضل الظروف القلوية

The rate of an enzyme reaction rises as substrate is added but then levels off, even when more substrate is added. Why?

1. AThe enzyme has been denatured
2. BThe products have turned back into substrate
3. CAll the active sites are occupied
4. DThe substrate has become an inhibitor