Human hormones testosterone and estrogen are considered lipids. What could be the reason for this?

They are phospholipids.

They are fatty acids.

They are steroids.

Based on their anatomical similarities, which three of these organisms share a close evolutionary relationship? snake horse ladybug human bacteria

Gradual long-term changes in altered or destroyed ecosystem. True or False

Which of the following statements is correct? A. RNA contains the genetic code. B. RNA reads and translation the DNA code. C. DNA reads and translates the DNA code. S. DNA synthesizer protection.

Which unit is part of the SI system? A. gram B. pint C. quart D. gallon

Describe the relationship among heat, temperature, and thermal energy.

Why does the translation of a protein destined for the lumen of the er slow or cease in the cytoplasm?

What organelle carries out photosynthesis

Which of the following elements can be found in all lipids? A) Oxygen B) Sulfur C) carbon D) Hydrogen E) Nitrogen

When a bird eats a small insect it can be considered a secondary consumer but what is the bird considered as when it eats seeds?

Desert animals, such as the kangaroo rat, need to conserve water. These animals have larger kidneys than do animals that live in moist environments and thus need not conserve water.