ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

ما اللبنات الأساسية (المونومرات) للبروتينات؟

1. Aالسكريات الأحادية
2. Bالأحماض الأمينية
3. Cالأحماض الدهنية
4. Dالنيوكليوتيدات

What do receptor proteins in the cell membrane do?

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

What is a tissue?

1. AA group of similar cells that work together
2. BSeveral organs that work together
3. CA single cell that has one special job in the body
4. DA structure inside a cell

Which body system works with the respiratory system to deliver oxygen to body cells?

1. AThe urinary system
2. BThe skeletal system
3. CThe circulatory system
4. DThe digestive system

A solution of pH 4 is compared with a solution of pH 6. How many times more hydrogen ions does the pH 4 solution have?

1. A10 times
2. B2 times
3. C100 times
4. D20 times

How can bacteria pass antibiotic-resistance genes directly to other bacteria?

1. ABy mitosis, sharing copies of their chromosomes with neighbours
2. BBy osmosis, moving genes in water
3. CBy meiosis, forming gametes with new alleles
4. DBy conjugation, transferring plasmids through a pilus

Why do phospholipids arrange themselves into a double layer in water?

1. ATheir heads are hydrophilic and their tails are hydrophobic
2. BThey are fully soluble in water
3. CThey carry a strong positive charge on both ends
4. DTheir heads are hydrophobic and their tails are hydrophilic

A pondweed plant is placed in water, and a lamp is moved closer to it. The plant gives off more bubbles per minute. What is the best conclusion?

1. AThe bubbles are carbon dioxide, and respiration speeds up with more light
2. BThe bubbles are nitrogen, and light breaks down the plant cells
3. CThe bubbles are oxygen, and the lamp heats the water until it boils
4. DThe bubbles are oxygen, and photosynthesis speeds up with more light