The answer is the function of living things are composed of cells
The valence electrons of carbon are important because the valence give an element their bonding properties. If Carbon did not have as many, it would not be able to bond four times. or have many of the properties it possess.
Answer:
D. cell is the smallest part of an organism.
as cell is basic functional and structure of life.
The term that designates foods that contain non nutrient substances that may provide health benefits beyond basic nutrition is functional foods. Functional foods are modified food that claims to improve health or well-being by providing benefit beyond that the traditional nutrients it contains. They include; breads, cereals, beverages that are fortified with vitamins, some herbs, and nutraceuticals.
Answer:
A) The striations are due to the orderly arrangement of actin and myosin
Explanation:
Smooth muscles are non-striated involuntary muscles which are found in the walls of stomach, urinary bladder, blood vessels...Smooth muscle tissue is composed of spindle-shaped muscle cells with single central nucleus. Like the other two type of muscles (cardiac and skeletal), smooth muscles also have four main functions:
- Contractility-ability to contract. In the case of skeletal muscles it is voluntary, while in cardiac and smooth muscles it is unconscious.
- Excitability-ability to change membrane potential usually by the influence of nervous impulse.
- Extensibility-the capacity to lengthen
- Elasticity-ability to change its length and then return to previous.