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21. What is the greenhouse effect

Student 1 said, Magnetic force and electric charges are similar, because opposites attract and likes repel.

In a wild-type strain of Drosophilathe size of a gene from the start to stop codon is calculated to be 2000 nucleotide pairs. However, the size of the mRNA molecule transcribed from this gene is estimated at 1200 nucleotides.

Which phrase describes the role of the mitochondria? a. where proteins are manufactured b. where genetic material is housed c. where cells control water content d. the powerhouse of the cell

Which of the following describes the correct relationship between heart sounds and blood pressure? Systolic blood pressure is associated with the first heart sound. Systolic blood pressure is associated with the second heart sound.

All carbohydrates have the same effect on blood sugar. 1 False 2 true

In the alternation of generations life cycle the diploid zygote grows into a sporophyte plant through a process called

Which statement is true for both plant and animals cells? They have centrioles and cellulose. Animal cells are generally smaller than plant cells. They have mitochondria and chloroplasts. They have cell nuclei and vacuoles.

What's one main difference between prokaryotic and eukaryotic cells

Why dose secondary succession occur faster than primary succession?

Freediving is an activity in which a person dives, sometimes to great depth, without the use of scuba gear. the diver must hold his or her breath for the duration of the dive.