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il63 [147K]
3 years ago
15

Describe an example of sensory adaptation that you have experienced.

Biology
1 answer:
ludmilkaskok [199]3 years ago
7 0
When doing orienteering at night with a map have to use only red lights on headlamps or you would have to wait 2-3 minutes for your eyes to re-adapt.
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100 individuals whose genetic makeup is composed of 20% recessive alleles join an established population. The established popula
NeX [460]

Answer:

population = 600

heterozygotes = 2pq

The homozygous recessive percentage = q^{2}

q = 0.1

Solve for q:

∴ q = \sqrt{q}

∴ q = \sqrt{0.10}

∴ q = 0.316

solve for p:

for p + q = 1,

thus p = 1 – q = 1 – 0.316 = 0.684  

The heterozygotes = 2pq

2pq =  2 x 0.316 x 0.684 = 0.432

600 x 0.432 = 259.2  = 259

so,  the population reaches Hardy Weinberg equilibrium, 259 of indviduals should be heterozygous for this trait.

Hence, the correct answer is 259 .

4 0
2 years ago
How does cell communication and the cell cycle relate to one another?
netineya [11]
Well I know that many diseases break down in the cell communication and cell cycle is how cells move or their stages
7 0
3 years ago
Describe alternating current and direct current. Include two ways that they are alike
Vilka [71]

AC can be produced by using a device is called as an alternator. This device is a special type of electrical generator designed to produce alternating current. A loop of wire is rotated inside of a magnetic field, which induces a current along the wire.

5 0
3 years ago
Cyclin dependent kinases (Cdk) are proteins that work with cyclin regulatory proteins. The cyclins are associated with different
bogdanovich [222]

Answer:

Cyclin dependent kinase 1 or CDK 1 is a catalytic protein whose action is regulated by cyclin B.

Explanation:

CyclinB-CDK 1 complex is also termed as maturation promoting factor that helps in the entry of the cell into the M phase.The concentration of Cyclin B -CDK1 rises by various process such as dephosphorylation and falls by the degradation of cyclin B.

       The cyclinB-CDK 1 is inactivated by phosphorylation of at tyr 15 residue.cyclinB-CDK1 interacts with various proteins such as survivin,which is essential for spindle formation that in turn regulate the cell viability.

3 0
3 years ago
Read 2 more answers
What is the basic difference between primary and secondary succession
Kobotan [32]
Primary succession occurs when there are no remains of the previous ecosystem.
Secondary succession occurs when there are still remains of the ecosystem, so secondary succession kind of has a head start.
8 0
3 years ago
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