Amino acids are linked together by:

Rania is learning about proteins. She understands that proteins are made of amino acids. What is the difference between essential and non-essential amino acids?

Which disease is caused by deficiency of vitamin B1?

The basic unit of nucleic acids is:

Mohamed is learning about nucleic acids. He understands that nucleic acids are involved in genetic information. Which of the following are the two types of nucleic acids?

Zayn is learning about proteins. He understands that proteins have many functions in the body. Which of the following is a function of proteins?

Qasim is studying carbohydrates. He learns that carbohydrates are classified as simple or complex. Which of the following is a simple carbohydrate?

Hina is learning about DNA structure. She knows that DNA is a double helix. What are the two strands of DNA held together by?

Vitamins are:

Tina is studying the required daily intake for young adults. She learns that young adults need a balanced diet to support growth. Which of the following is important for bone health?