What part of the blood carries oxygen

Which number is closest to the estimated number of stars in the Milky Way galaxy? A. 200 thousand B. 200 million C. 200 billion D. 200 trillion

What is a large, slow-moving rock slab that is part of Earth's crust?

For eukaryotic cells, which of the following is NOT required of the mRNA molecule before it can be used for translation? A) exit from the nucleus B) addition of a 3" poly A tail C) addition of a 3" cap D) addition of a 5" cap E) removal of introns

What is a structure that grows early on in development? what is a structure that grows late in development in a zygote?

A map has a scale of 1 cm 12 km. on this map, what is the distance between two locations that are actually 30 km apart?

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.