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

Which was not a result of th 1898 discovery of the four blood types? 1. Improved blood transfusion safety 2. Effective blood preservation solutions developed 3. Elements of blood separated via centrifuge 4.

The interactions between amino acids are major factors in determining the shape of a protein. These interactions can be affected by the environment surrounding a protein. Which factor would have an effect on the shape of a protein?

Which of these statements is correct about the feature labeled A in the diagram?

A cutting is taken from a red-flowered geranium and placed in water to develop roots. Once roots have grown, the new plant is placed in soil and grows to produce another red-flowered geranium. a. sexual. b. asexual

What was the significance of dusk rock and ice during earths formation

A human gene has 5 alleles. how many heterozygous genotypes are possible? 5 correct answer 10 15 20 25

In the traditional phylogeny (a), the phylum platyhelminthes is depicted as a sister taxon to the rest of the protostome phyla and as having diverged earlier from the lineage that led to the rest of the protostomes.

Which of the following statements is false? Which of the following statements is false? All organisms require the same elements in the same quantities. Carbon, hydrogen, oxygen, and nitrogen are the most abundant elements of living matter.

What does mono mean in biology

Scientists talk about the 6th Mass extinction happening right now. What is it and how is it different from the last 5?