After the Big Bang, which of the following occurred first?

a. formation of atoms

b. appearance of the strong force

c. creation of quarks

d. isolation of gravity

e. separation of all four forces

Give reasons for the following statements a) Mitochondria are strange organelles. b) Cells of plants, fungi and bacteria withstand very dilute (hypotonic) external media without bursting.

Piece of tissue that connects his leg muscle to bone. What piece of tissue is the doctor describing?

as the submersible approaches the twilight zone (300m deep), what changes in light and temperature occur?

According to current scientific thinking, true multicellular organisms evolved from what

How would an inhibitor of cAMP phosphodiesterase affect glucose mobilization in muscle? It would increase cAMP levels, which would inhibit glucose mobilization. It would maintain high cAMP levels and elevate glucose mobilization.

It is the jelly like living substance of the cell

Directions Jump up and down on one leg for as long as you can. Respond to the following questions: Describe how your leg began to feel the more you jumped on it. Explain why this feeling occurred according to the processes of cellular respiration.

Which of the following defines lumen? a. The opening between the duodenum and jejunum b. The intestinal enzyme that hydrolyzes dietary nucleic acids c. The conduit from the mouth to the stomach d. The continuous inner space within the GI tract e.

Is there a way to detect down syndrome/trisomy 21 in heterozygous carriers before they reproduce (become parents) ? Is there a way to detect it in a fetus? In a newborn child?

In peas, purple flowers (P) are dominant to white flowers (p), and tall plants (T) are dominant to short plants (t). A short plant with white flowers would have the genotype