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Vikki [24]
3 years ago
14

Which term refers to the diffusion of water molecules through a semi

Biology
2 answers:
mixer [17]3 years ago
8 0

Answer:

b=OSMOSIS

Explanation:

Ilya [14]3 years ago
7 0

Answer:

b ossmosis

Explanation:

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Which of the following statements is TRUE?
erica [24]

"The origin of a muscle is attached to the bone that does NOT move" is true among the following statements.

The origin and insertion of an attachment are the points of attachment. When a muscle contracts, the point of attachment known as the origin remains stationary. As a result, when contraction occurs, the origin bone is the more immobile of the two bones at the joint.

Skeletal muscles have two or more points of attachment to bone, or occasionally to other muscles or tissues. The attachment is said to as having an origin if the location is a bone that is stationary during an action. The attachment is referred to be an insertion if the location is on the bone that moves during the motion.

The triceps brachii has four places of attachment: three origins and one insertion on the ulna (two on the humerus and one on the scapula).

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6 0
2 years ago
How does acids in groundwater cause chemical weathering?
Elanso [62]
Weak acids such as carbonic or sulfuric acid react with rocks in the ground, such as limestone. Groundwater reacts with limestone and the dissolving of limestone takes place which forms karst features, such as caverns.
5 0
3 years ago
which of the following states that heritable factors (genes) retain their identity generation after generation?
Mandarinka [93]

Answer:

particulate hypothesis of inheritance

Explanation:

This states that the inheritable factors retain their identity generation after generation.

7 0
3 years ago
What is a ligand? what do ligands have to do with receptor-mediated endocytosis?
Volgvan
In biochemistry, aligand is a substance that forms a complex with a biomolecule to serve abiological purpose. In protein-ligandbinding, the ligand is usually a molecule which produces a signal by binding to a site on a target protein.

Receptor mediated endocytosis is an endocytotic mechanism in which specific molecules are ingested into the cell. The specificity results from a receptor-ligand interaction. Receptors on the plasma membrane of the target tissue will specifically bind to ligands on the outside of the cell. An endocytotic process occurs and the ligand is ingested.

A very well studied example of receptor mediated endocytosis involves the metabolism of cholesterol.

8 0
4 years ago
As an environment changes, and some organisms have a higher fitness than other, natural selection acts directly on
olga2289 [7]
Natural selection acts directly on those gene variations for traits or phenotypes.
The phenotype of an organism is the physical characteristic and is determined by the organism's genotype. Natural selection selects the genes that produce a certain phenotype by providing suitable conditions for a certain phenotype.
6 0
3 years ago
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