15 g of water were heated from 5 c to 25 C. if the specific heat of water is 4.2, about how much energy was added to the water

What is the molality of a solution that is obtained by dissolving 2.922 g of nacl into 1000.0 g of water if the molar mass of nacl is 58.44 g/mol? use molality=moles of solute/kilograms of solvent

Which of the following is NOT true of phospholipid bilayers? A. The interior of phospholipid bilayers is a highly hydrophobic environment. B. Membrane budding requires transient breakages in the bilayer membrane. C.

The resting neuron contains Na on the inside or outside?

Which statement describes the function of the plasma membrane? A, it converts glucose into ATP, an energy molecule. B, it recognizes substances and other cells it comes in contact with. C, it transfers RNA to ribosomes to make proteins.

Use homoeostasis in a sentence

Which conditions lead to a slower rate of weathering? Select two options. 1. porous rocks 2. cold climates 3. hard minerals 4. high temperatures 5. low moisture levels

What is the relationship between these two structures enantiomer?

Identify what structures in a skeletal muscle will shorten in length during contraction of the muscle. choose all that apply. (0.5 pts)

What mechanisms are in place to prevent the continuous stimulation of a muscle fiber after the neurotransmitter is released from the presynaptic membrane?

According to the Hardy-Weinberg principle, genetic equilibrium would be more likely in a population of mice if :