Cells need to intake things like nutrients, water, and oxygen, and they need to be able to export things like metabolic products and waste materials. No matter which direction the material is moving in, it needs to cross the cell membrane at some point.
if there are at least 4 risers (steps) in the stairway, standard railings or handrails depending on the width and type of stairway. If the stairway is less than 44 inches wide and is enclosed on both sides, only one handrail is required, and if one side is open, only a railing on the open side is required. If both sides are open, standard railings are required on both sides. A standard railing for stairways would be between 30 and 34 inches above the forward edge of each riser.
If the stairway is between 44 and 88 inches in width, a handrail is required on each enclosed side and a standard railing is required on each open side. Any stairway over 88 inches wide must also have an intermediate railing halfway across its width. A winding stairway must also have a handrail offset for any portion of the risers with less than 6 inches depth.
TRUE. A disease that wiped out a rabbit population in an environment would affect the coyote population in the same environment.
Rabbits are the food source of the coyote. If they are wiped out, the coyote will starve and slowly die out.
1. DNA is a double helix, while RNA is a single helix.
RNA is able to bond with another RNA to form DNA.
The answer to this question is:
<span>C. Molecule 1 in DNA which is a double helix.
2. DNA and RNA store data/information/instructions for the organism.
</span><span>B. They carry information about how an organism is put together and maintained.
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