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ExtremeBDS [4]
3 years ago
12

What factor drives the arrangement of the phospholipid bilayer in an aqueous environment?

Biology
1 answer:
Setler [38]3 years ago
7 0

Answer:

The hydrophobic tails of the phospholipids

Explanation:

Because the phospholipid bilayer is made up of a hydrophillic head and a hydrophobic tail, the phospholipids spontaneously form a bilayer in water. This is because the hydrophobic tails are repelled by the water, meaning they retreat into one another, whereas the phosphilipid heads are attracted to water. This means the heads form the outside of the layer, and the tails form the inside of the layer.

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Tay–Sachs disease is an autosomal recessive disorder. Homozygous recessive individuals lack a key enzyme called hexosaminidase A
myrzilka [38]

Answer:

0.033

Explanation:

Tay–Sachs disease is an autosomal recessive disorder. The possible genotypes and phenotypes are:

  • TT = normal
  • Tt = carrier
  • tt = Tay-Sachs disease

I will use <em>p </em>to call the frequency of the dominant <em>T</em> allele, and <em>q</em> the frequency of the recessive <em>t</em> allele.

If the population is in equilibrium, the frequency of the tt genotype is q².

q^2 = 1/3600\\\\q=\sqrt{1/3600} \\\\q=1/60=0.017\\\\and\\p + q = 1\\p=1-q\\p=0.983

The frequency of the Tt genotype is 2pq.

2pq= 2*0.983*0.017\\2pq=0.033

The Tay–Sachs carrier frequency will be 0.033

6 0
3 years ago
I need an answer ASAP
Blababa [14]
MRNA transfers genetic information in the nucleus from the DNA to the cytoplasm because DNA never leaves the nucleus
3 0
3 years ago
Who invented high-yielding varieties of wheat and who was one of the pioneers who worked on technologies to genetically modify c
I am Lyosha [343]

Answer:

<em>Dr. N.E.Borlaug</em>

<em>Dr. N.E.BorlaugThe Green Revolution of the 1970s achieved enormous yield gains via the introduction of disease resistant semidwarf high yielding wheat varieties developed by Dr. N.E. Borlaug and colleagues.</em>

5 0
4 years ago
What do the numbers 3 and 4 refer to in 3NH4?
horrorfan [7]

Answer: 3 nitrogen atoms and 12 hydrogen atoms

Explanation: In a chemical equation, number represents the atoms present. Number at the base of the atom must be multiplied with the number written at the first atom for example 3NH4 so here for Hydrogen 4 is multiplied with 3 i.e. 12Hydrogen but for first atom Nitrogen only 3 is there so 3 nitrogen and 12 Hydrogen is present.

5 0
4 years ago
What is the function of nitrogen fixing bacteria?
kakasveta [241]

Nitrogen-fixing bacteria convert nitrogen gas from air into a form that plants can use to make proteins. Free-living nitrogen-fixing bacteria are also found in the soil. When they die the nitrogen they have fixed into their biomass is converted into ammonium .

6 0
3 years ago
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