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juin [17]
3 years ago
10

PLEASE HELP ILL GIVE BRAINLIEST To whoever can do this quickly and get it correctly!

Biology
1 answer:
aivan3 [116]3 years ago
6 0

Answer:

plant location is the dependent variable, the amount of water is a constant

best of luck!

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Positively charged DNA migrates more rapidly than negatively charged DNA b. Longer DNA fragments migrate farther on a gel than s
CaHeK987 [17]

Answer:

<h2>c. Migration distance on a gel is inversely proportional to DNA fragment size </h2>

Explanation:

  • Deoxyribonucleic acid is a genetic material that is a type of macromolecule.
  • It is made up of a monomer that ais called a nucleotide. Each nucleotide is made up of a deoxyribose sugar, a base, and a phosphate group.
  • Due to the presence of phosphate group DNA has negative property. When the DNA is separated by the gel electrophoresis method the size of the fragment of the DNA plays an important role.
  • Those DNA fragments that are small in size migrate faster than those DNA fragments that are larger in size.
  • So the migration distance is inversely proportional to the DNA fragment size.

6 0
3 years ago
Victor put a match on a balance and found that its mass was 6.0 grams. Then he lit the match and put it out after a few seconds.
Tcecarenko [31]

Answer: It releases oxygen and heat. The answer is C

Stored inside the match head is another chemical called “potassium chlorate”. When it gets hot, it releases a lot of extra oxygen and heat. This makes the match head burn quickly and strongly. When you put it all together the heat, the fuel, and the oxygen  you get a flame. Matter does not go when something is set on fire. Matter is always the same.  Burning is a chemical process. The flames are caused as a result of a fuel undergoing combustion (burning). (CC BY-SA 2.5; Einar Helland Berger for fire and Walter Siegmund for ash).  

4 0
3 years ago
Word bank: phenotype, genotype, heterozygous, homozygous, traits,
posledela

Answer:

what's this for

Explanation:

?????????????÷&÷÷&

5 0
3 years ago
Light travels in ______________________ lines. <br> Fill in the blank
White raven [17]

Answer:

Light travels in straight lines.

Explanation:

Once light has been produced, it will keep travelling in a straight line until it hits something else.

3 0
3 years ago
Define the 3 signals for activation and the 3 outcomes of the complement system.\
sp2606 [1]
* More than 40 proteins and glycoproteins involved in the complement system are synthesized by the liver, macrophages, epithelial cells, they are present in the blood in plasmatic form, membrane, some have an enzymatic activity, regulator or membrane receptorThese are elements of the humoral innate immune response, they fight infections, purify immune complexes and apoptotic bodies.
<span>There are indeed three ways to activate the complement:</span>
Classical pathway: Activated by Immunoglobulins in immune complexes, aggregated Immunoglobulins, DNA, CRP, apoptotic bodies .......it involves nine fractions, starting with C1, then C4, C2, C3, to form a classical C5 convertase, then, activation of C5, C6, C7, C8, C9.

Alternative pathway: activated by polysaccharides (bacterial endotoxin), vascular wall poor in sialic acid, aggregated IgE ...C3b like is the first component in the alternate channel cascade, it will create an amplification loop, and form an alternative C5 convertase.

Lecithin pathway: Activated by mannose, fucose (carbohydrate of microorganisms)The first component is the complex MBL / MASP1 / MASP2: "mannose-binding protein": works according to the same principle as the complex C1 of the classical way (MASP2 cleaves the C4 and the rest of the cascade is equivalent to that of the classical way).

the three ways have the same outcome: A C5 convertase (formed by one of the pathways) cleaves C5 into C5a and C5b: C5b is deposited far from other fractions on the antigenic surface. The fixation of C5b in the cell is followed by that of C6, C7, C8, and C9 (9 molecules of C9): formation of the membrane attack complex (MAC) ==> Death of the cell by osmotic shock
8 0
3 years ago
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