The first law of thermodynamics states that

1.the total amount of energy in a system and its surrounding remains constant.
2.the total disorder of a system and its surroundings always increases.
3.plants create energy.
4.animals destroy energy.


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Biology & Microbiology

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Which property of water makes it able to dissolve other substances?

a. Cohesion b. Hydrogen bonds c. Adhesion d. Polarity

Biology & Microbiology

In Mendel’s pea plant experiment, the trait of pea shape was represented by the two variations

____________________ and ____________________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

When a growth factor receptor is NOT bound to ligand, it is MOST likely in what configuration?

a) Monomeric b) Dimeric c) Trimeric d) Degraded

Biology & Microbiology

A student tossed a coin five times and observed results of four tails and one head. He concluded that when a coin is tossed, there is an 80% chance of getting a tail and a 20% chance of getting a head. The conclusion would be more valid if

a. only two tosses of the coin had been used. b. the weight of the coin had been taken into consideration c. a greater number of tosses had been used d. the surface of the coin landed on had been taken in consideration.

Biology & Microbiology