174. DNK da vodorod boglari fosfoefir bog'laridan farqi 202 ta, yig'indisi 1478 ta. Vodorad boglari G nukloidlaridan 4,2 marta ko'p. DNK dagi AT nukloidlarini G farcini toping. \( \begin{array}{llll}\text { A) } 40 & \text { B) } 160 & \text { C) } 130 & \text { D) } 100\end{array} \)

Answer True or False. 1. Two different foods can contain the same nutrient. 2. Nutrients are the part of food your body has to get rid of. 3. Your body needs proteins to grow and repair body tissue. 4. Fats do not supply energy to your body. 5. Nuts and oils have fats.

Draw a relaxed and contracted sarcomere (see Textbook, p. 286, Fig. 11.6)

A. Fill in the missing word. 1. The raw materials your body needs are called (cells, nutrients) 2. Both cheeses and meats contain . (carbohydrate, protein) 3. Sugar is a kind of 4. For energy, your body uses (bones, carbohydrates) 5. Proteins are found in milk and

3. Draw a relaxed and contracted sarcomere (see Textbook, p. 286, Fig, 11,6):

6. Carbohydrates are either starches or \( \begin{array}{lll}\text { (a) salts } & \text { (b) sugars } & \text { (c) fats }\end{array} \)