Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is a monosaccharide?

1. ATwo sugars joined together, such as sucrose
2. BA fat made of glycerol and fatty acids
3. CA single sugar unit, such as glucose
4. DA chain of many amino acids

Which feature helps a sperm cell carry out its job?

1. AA large vacuole for storing water
2. BA flagellum for swimming
3. CChloroplasts for making food
4. DA cell wall for protection

Bir deneyde bağımlı değişken nedir?

1. ASınanan hipotez
2. BAraştırmacının bilerek değiştirdiği etken
3. CEtkiyi görmek için ölçülen etken
4. DSabit tutulan herhangi bir etken

What is meant by independent assortment in meiosis?

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

Why can an electron microscope show more detail than a light microscope?

1. AElectrons are brighter than light
2. BElectron microscopes use stronger glass lenses
3. CElectron microscopes use living cells only
4. DElectrons have a much shorter wavelength than light

Mitozun hangi evresinde kromozomlar hücrenin ortasında sıralanır?

1. AMetafaz
2. BTelofaz
3. CProfaz
4. DAnafaz

Parts of a protein chain coil into alpha helices and fold into beta sheets, held by hydrogen bonds. Which level of protein structure is this?

1. APrimary structure
2. BQuaternary structure
3. CSecondary structure
4. DTertiary structure

Ignoring crossing over, how many different combinations of chromosomes can one person's gametes have because of independent assortment?

1. A2²³, about 8 million
2. B23², about 529
3. C2 × 23, which is 46
4. D46, one for each chromosome