Answer:
D
Explanation:
When a substance moves from low to high concentration it is moving against its concentration gradient, which requires more energy.
A. It depends on where it is moving, not the substance
OB. This is describing diffusion
OC. Does not require energy, it is passive transport through a semi-permeable membrane
Answer: Metals
Explanation:
since they have lustre, good conductors of heat and electricity and are often malleable.
Answer:
False
Explanation:
technology destroys nature, thats y u cant see stars in cities
Answer: Restriction enzymes are DNA-cutting enzymes. ... DNA ligase is a DNA-joining enzyme. If two pieces of DNA have matching ends, ligase can link them to form a single, unbroken molecule of DNA. In DNA cloning, restriction enzymes and DNA ligase are used to insert genes and other pieces of DNA into plasmids.