nickymarie nickymarie

23-10-2020
Biology

contestada

describe the two types of external growth factors

Respuesta :

23-10-2020

Answer:

Chemical and physical signals

Explanation:

Growth factors - proteins that stimulate cell division

(Most mammal cells form a single layer in a petri dish and stop dividing when they touch other cells.)

Answer Link

Otras preguntas

On a map of his neighborhood, Mark's house is located at point (7,3). His best friend, Cheryl, lives 2 units west and 1 unit south of him. What ordered pair des

how many servings are in 12 cups of rice a.

What is the name for the type of renewable energy that is formed from living matter that received its energy from the sun? a. biomass b. fossil fuel c. bioel

Which reason do some people give to explain why women earn less money then men, other than discrimination? A. Some women put their careers on hold to have child

This year Benny is 12 years old. His brother Lenny's age is 175% of Benny's age. How old is Lenny?

Use a property to write an equivalent expression for 5(3x-2)=

Which of these best describe El Niño? the cyclical warming of the Pacific Ocean near the equator the warm ocean current that crosses the northern Atlantic Ocean

Examples of a reaction force

You should spend equal time in a warm-up and a cool down. How long should you spend in each? A)Five to 10 minutes B)Three to four minutes C)One minute

Which of the following factors is an example of a push factor? a. You really like the climate and weather in another town. b. You’ve discovered a great new neig