Answer:
Screen door
Explanation:
Because it holds things out but let air in.
Answer:
A
Explanation:
Gram positive bacteria stain violet due to the presence of a thick layer of peptidoglycan in their cell walls, which retains the crystal violet these cells are stained with.
Pili are the filaments that help some bacteria stick to surfaces and exchange plasmids through conjugation.
Pili are hollow, hair like appendages that are found on the surface of some bacterial cells. Pili are composed of a special protein (known as pilin). Pilia act as a means of attachment of bacteria to surfaces (such as their host) and it is also used by bacteria to exchange their genetic material (plasmids) in the mating process between cells (known as conjugation).
<span>Low-saturated fats - can reduce the risk of developing heart disease and lower cholesterol
Saturated fats - increase </span><span>blood cholesterol and heart attack rates
Trans fats - increase </span><span>blood cholesterol and heart attack rates
</span><span>A low-saturated fat, high-fibre diet can reduce the risk of developing heart disease and lower cholesterol.</span>
0.5 oz is equivalent to 025 grams....hope it helped....:)
