Someone please help me with this :,,,,,,,,,,,)
tamaranim1 [39]
Answer:
1. 1.26823082 mL
2. 0.5 g/mL
Explanation:
The density formula is:
1.
Rearrange the density formula for v,
<em>Multiply both sides by v.</em>
<em>Divide both sides by d.</em>
Volume is found by dividing mass by density. The mass is 20 grams and the density is 15.77 grams per milliliter.
Substitute the values into the formula.
Divide. Note the grams, g, will cancel.
2.
Use the density formula.
Density is found by dividing mass by volume. The mass is 10 grams and the volume is 20 milliliters.
Substitute the values into the formula.
Divide.
Answer:
Hemagglutinin is an envelope viral protein used to attach to host cells and gain entry via endocytosis
Answer:
The correct answer is There are very few receptors on the soles of a person's feet.
Explanation:
The skin is made up of a layer called the epidermis. The epidermis contains cells that are very sensitive and are responsible for perceiving everything we touch by sending this information to the brain.
All the nerve endings that our body has are in charge of controlling the sense of touch.
All the sensations that we perceive when touching something with any part of the body are linked to the sense of touch.
The most sensitive places on our body are palms, lips, tongue, soles of the feet, fingertips, eyelids and face.
Therefore the correct answer is There are very few receptors on the soles of a person's feet.
There are four main groups of macromolecules:
1. Nucleic acids (DNA and RNA)-monomers are nucleotides; provide genetic information
2. Proteins-monomers are amino-acids; structural, catalytic, regulatory roles
3. Lipids (fats)-monomer units are free fatty acids; structural, energy, insulation roles
4. Carbohydrates (sugars)-monomer units are monosaccharides (like glucose); energy source, structural function.
The environment and the inside of the cell will have the same concentration. If the cell is placed in a solution of a less sucrose solution, the water will get into the cell making it bigger in size. The movement of the water is from a portion of lower concentration to a portion of higher sucrose concentration.
