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wariber [46]
3 years ago
6

An object, such as a pair of scissors, can become a temporary magnet by rubbing the object with the end of a magnet.

Biology
1 answer:
Alla [95]3 years ago
7 0
In my opinion it is true
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Gases are a unique state of matter because the volume of a gas can be compressed or expanded based on its temperature. Jacque Ch
just olya [345]

Explanation:

Since Charles found that the volume is directly proportional to temperature when the mass and pressure remain constant this means that with increase in temperature, there will be increase in volume.

Mathematically,       V \propto T at constant Pressure

This equation represents the relationship in Charles' law.

6 0
3 years ago
Read 2 more answers
In photosynthesis, how does the movement of electrons along the electron transport chain affect hydrogen ions (h+)? how does thi
lukranit [14]
As electrons move along the chain, hydrogen ion are pumped from the stroma of the chloroplast into thylakoid lumen. these leads to creation of proton gradient in thylakoid lumen with the potential energy that will be used to synthesize ATP by enzyme ATPase in the process referred to as rotational catalysis. both chloroplast and mitochondria use electron transport chain to pump protons across the membrane and both enzyme ATPase to produce ATP using proton gradient created in the process of transport of hydrogen ions. the main existing between the electron transport chains of chloroplast and mitochondria is the initial source of energy. chloroplasts obtain their energy from sunlight whereas mitochondria obtain theirs from organic molecules.   
3 0
3 years ago
Neural control of gfr is mediated by ________ that innervate ________ receptors on vascular smooth muscle causing ________
storchak [24]

Neural control of GFR is mediated by Sympathetic neurons that innervate alpha receptors on vascular smooth muscle causing Vasoconstriction.

<h3>How is GFR regulated?</h3>
  • The sympathetic division of the nervous system regulates the GFR or Glomerular Filtration Rate.
  • GFR is the sum total of filtration rates of all the working nephrons in the kidney.
  • Sympathetic division comes into action when the mean arterial pressure is very low (below 80mmHg).
  • In response to low blood pressure, the medulla releases norepinephrine through sympathetic nerves.
  • Norepinephrine leads to activation of alpha receptors on arteries which cause vasoconstriction.
  • Alpha receptors are more abundant on afferent arterioles.
  • This leads to vasoconstriction (narrowing) of arteries supplying to the glomerulus.
  • This decreases blood flow to glomerulus, leading to decrease in GFR.

Learn more about Glomerular Filtration Rate here:

brainly.com/question/13064727

#SPJ4

8 0
2 years ago
Small body (nb), short spines (Is) and amoral are three recessive traits in stick the genes of which are linked on the same chro
melomori [17]

Answer:

The three genes in coupling are in repulsion.

Explanation:

Coupling happens when the dominant alleles and the recessive alleles are on the same homologous chromosome, while the repulsion happens when one chromosome has one dominant allele and one recessive allele and another homologous chromosome also has dominant and recessive alleles.

If the progeny has:

nb+ ls+ a/nb ls a ⇒ nb+ ls+ a

nb ls a+/nb ls a ⇒ nb ls a+

Where nb+ ls+ a is the dominant alleles and nb and nb+ is in middle.

ls+ nb+ are on the same chromosome (both dominant)

ls nb are on the same chromosome (both recessive)

ls nb, these two are in coupling with each other, but ls+ and a are on the chromosome and ls+ or nb+ are dominant, while nb+ and a are recessive on form a, thus, ls and nb, they are in repulsion with a.

3 0
3 years ago
Read 2 more answers
Explain how incomplete dominance differs from co-dominance
sveticcg [70]

Answer:

Incomplete dominance is when the phenotypes of the two parents blend together to create a new phenotype for their offspring.

An example is a white flower and a red flower producing pink flowers. Codominance is when the two parent phenotypes are expressed together in the offspring

Explanation:

good luck

8 0
3 years ago
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