According to the Big Bang theory, what must the universe have been like when it began? Select all that apply.

A. hot

B. cool

C. dense

D. as it is today

E. 3 K in temperature

F. filled with microwave radiation

What is a called when organisms that cannot make their own energy-rich molecules?

What would happen if s-phase did not occur before mitosis?

What is denaturing and what causes it to occur

There are two color morphs of male panther chameleons, blue and orange. Blue chameleons live in trees with blue flowers and fruit while orange chameleons live in trees with orange flowers and fruit.

How does a growing embryo inside a seed obtain food? 1) It uses food stored within the seed. 2) It undergoes photosynthesis to make its own food. 3) It absorbs food from the outside environment. 4) It takes in food provided by the seed coat.

If the germs in a vaccine we're not dead or deactivated then the vaccine would

Water is formed when two hydrogen atoms bond to an oxygen atom. When a substance is made of two or more atoms like this, we call it A) a mixture. B) a complex. C) a compound. D) an element.

Which genotype is homozygous? a. XxTt b. XXTt c. xxTT d. Xxtt

In what organelle does the process of respiration occur

In the case of the salt NaCl, chloride (Cl-) gives up an electron that is taken by sodium (Na+), this is an example of . A hydrogen bond A covalent bond An ionic bond A non-polar molecule