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

What is the value of b^2-4ac for the following equation? 2x^2 - 2x - 1 = 0 a.-4 b.0 c.12

What is the area of the figure? cm2

what is the goverment

Write an explanation for how the process of evolutionprimarily results from competition for limited resources (such as water, shelter, and mates) and difference

Those who drag you down do it for a reason. That reason is they are not strong enough to stand on their own. They need the most love and patience. Sometimes it

George sells baseball cards online. He estimates he can make $4.75 per card. If George has 83 cards, using front-end estimation, which choice would be closest t

are there any words in this. hnrwaijyhetsiun kdtyjthlskrytudztgwah4hgwrahw4ihjarhrawuhuarhbrakjsbharhnjaeuheyhkjeawugeauoghaoughewaiugdajifheauigeazufaeughaher

Which sentence would be most appropriate for the conclusion of a persuasive essay? Everybody likes winners, and you can tell that George Washington was a winner

12x+32=12x-7 how many solutions are there to the equation?

The reducing agent in a material is the one that A. gains electrons. B. increases its atomic number. C. is reduced. D. is oxidized.