ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What is peer review?

1. AExperts checking a study before it is published
2. BReading a textbook to learn a topic
3. CAsking patients for their opinion of a treatment
4. DRepeating your own experiment many times

How many micrometres (µm) are in one millimetre?

1. A10
2. B1 000 000
3. C1000
4. D100

What is the main role of carbohydrates in the human diet?

1. ATo carry the body's genetic information
2. BTo form antibodies
3. CTo provide a quick source of energy
4. DTo build muscle tissue

What happens to an enzyme after it has catalysed a reaction?

1. AIt is released unchanged and can be used again
2. BIt is broken down into amino acids
3. CIt becomes part of the product and leaves with it
4. DIt changes into the substrate

A greenhouse is warm and brightly lit, but the air has very little carbon dioxide. What is most likely limiting the rate of photosynthesis?

1. AThe number of stomata
2. BThe light intensity in the greenhouse
3. CThe carbon dioxide concentration
4. DThe temperature

Why do the palisade cells near the top surface of a leaf contain many chloroplasts?

1. AThey protect the leaf from insects and strong winds
2. BThey carry sugars from the leaves down to the roots
3. CThey get the most light and do most of the photosynthesis
4. DThey store most of the plant's water for dry periods

يقرأ خيط DNA القالب 3'-TACGGA-5'. ما mRNA المصنوع منه؟

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

Five recovery times in days are 5, 6, 6, 7 and 30. Which value best describes a typical recovery time, and why?

1. AThe range of 25, because it shows the spread
2. BThe median of 6, because the outlier pulls the mean up
3. CThe mean of 10,8, because it uses every value
4. DThe maximum of 30, because it shows the worst case