How do the promoter and operator work together to control gene expression?

Whats a function of the cell membrane

What system moves blood through the body, moves the skeleton, and moves food through the digestive system

how can a plant know that winter has passed and adjust the expression of its gene to produce flowers in the spring?

What do you think the amino acid sequences for hemoglobin in plants was blank? A. Plants do not contain fat B. Plants contain a different form of hemoglobin then what is found in animals C. Plants do not have blood D.

Some protist from long, foot-like projections of their cell membrane and cytoplasm that are used for movement and to capture food. what is the name of these structures

A rabbit is eating leafy plants on a sunny day. What is happening to the carbon in the plants and in the rabbit? a Carbon is only moving out of the living things; it is not moving into them. b With this information, there is no way to know for sure.

During the process of RNA transcription, which of the following steps is not included?

What is the odd one out of breathing, sweating, respiration and why?

Which surface of the ocean current has the warmest water a. peru current b. north atlantic drift c. brazil current d. canary current

A forest habitat contains a great deal of plant and animal life. Using the forest habitat as a model, explain the difference between species richness and relative abundance. Discuss how each affects the survival and fitness of populations.