Q: Protein is used to repair cells by the human body, and dNA makes proteins, proteins build cells, and cells make up people. Given these facts, what are needed to build cells among the following options: - hormones - food - RNA - isotopes - fats - clorophyll - DNA - p53
A: DNA

Q: Aplant requires nutrients to grow, and carbon dioxide is a plant nutrient. Given these facts, what does a plant require for its growth among the following options: - deoxyribonucleic acid - hydrogen and oxygen - Organic compounds - Electrical energy - heat energy - sunlight - Energy. - Carbon dioxide
A: Carbon dioxide

Q: Invertebrates are animals that lack a vertebral column, or backbone, and all of the vertebral bodies act as a support column to hold up the spine. Given these facts, invertebrates are animals that lack a what among the following options: - Chlorophyll - Epidermis - pair of legs - small bones - cartilage - an organism's body - support column - epidermal
A: support column

Q: Matter vibrating can cause sound, and sound Sound waves are mechanical waves. Given these facts, what can vibrating matter cause among the following options: - electromagnetic energy - Relieve pain - nothing - loss of matter - destruction of matter - mechanical waves - Electrical energy - kinetic energy
A: mechanical waves