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lawyer [7]
3 years ago
6

When are scientist ideas modified

Biology
1 answer:
dlinn [17]3 years ago
4 0
Scientist ideas are modified when scientist find more information through experimenting and the scientific method
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What type of charge does each atomic particle have?<br> Proton<br> Neutron<br> Election)
nadya68 [22]
Answer:

Proton has a positive charge.
Neutron has a neutral or no charge.
Electron has a negative charge

Explanation:

Trust me
3 0
3 years ago
Which two factors of a molecule determine whether or not it can cross the membrane? A. Color and weight B. Shape and texture C.
myrzilka [38]
D. Polarity and size. 
<span>The size, polarity, and charge of a substance will determine whether or not the substance can cross the cell membrane by diffusion. The cholesterol was an example of a lipid, and is highly soluble in the nonpolar environment of the lipid bilayer. You saw, in the animation above, the cholesterol freely passing into the hydrophobic environment of the membrane. Cholesterol distributes freely in the membrane and then some fraction will dissolve in the aqueous environment of the cytoplasm. Water, on the other hand, while polar, is small enough to cross the membrane at a slow rate. Note that specialized transport proteins in certain cell membranes can provide a channel for the water, greatly increasing its rate of crossing the membrane. The lipid bilayer is much less permeable to the ion, because of its charge and larger size. As a general rule, charged molecules are much less permeable to the lipid bilayer.</span>
4 0
3 years ago
Read 2 more answers
A relationship in which one species consumes and the other is killed is known as
Vlad [161]
Predation


It can be explained in that way or also called Predatory/prey relationships.
Parasitism is when one is benefited and the other harmed (ie leech and human)
Commensalism is when one is benefited and the other not affected (Tree frog and rainforest tree)
Mutualism is when both are benefited (Bee eats honey and Flower is pollinated).
6 0
3 years ago
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1. <br> A) Name the 4 MAJOR ORGANIC COMPOUNDS.<br><br> B) DESCRIBE how they DIFFER in their uses.
nlexa [21]

The four major organic compunds are lipids, carbohydrates, proteins, and nucleic acids.


Lipids are used to store energy, insulate insulate, and they help build cell membranes. Examples of lipids are fats, oils, and waxes.


Carbohydrates are used to give us quick energy and they help build cell walls. Examples of carbohydrates include bread, pasta, cereal, and rice.


The role of proteins is to build our bodies, help our immune system, and help cells communicate. Such examples include meat, beans, eggs, fish, nuts, soy, and dairy.


Finally, Nucleic acids are used to store gentetic info. Anything plant or animal based is considered a nucleic acid.


8 0
3 years ago
Do you think all creatures would belong in the same Kingdom? why or why not?
pishuonlain [190]

Explanation:

All animals are in one kingdom (called Kingdom Animalia); all plants are in another (Kingdom Plantae). ... Other systems have six or more kingdoms. Species are the smallest groups. A species consists of all the animals of the same type, who are able to breed and produce young of the same kind.

4 0
3 years ago
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