Covalent disulfide bridges/bonds can be formed between two which can stabilize protein structure. a. arginines; secondary b. phenylalanines; tertiary c. cysteines; tertiary d. cysteines; primary e. α helix and β sheet; secondary

A.passes laws and adopts budgets b.resolves disputes among members c.ensures legislation is applied fairly d.represents the eu globally a recent challenge to the european union created by a member state is a.migration b.free trade c.brexit d.the euro which is the most powerful position in the british government? a.the monarch b.the chancellor c.the prime minister d.the president which describes a constitutional monarchy? a.a monarchy in which a king or queen has all the power b.a monarchy in which the people elect the king or queen c.a representative government with a mostly ceremonial ruler d.a representative government with only one set of written laws

Where do most people in arabia and iraq live? a. in the fertile crescent b. in the rub, al-khali c. in cities d. in and around mecca

What challenges did nigeria faced after it gained its independence from britain