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lord [1]
3 years ago
12

When approaching an intersection controlled by a stop sign, you should?

Biology
1 answer:
Bad White [126]3 years ago
4 0

You would make a full stop, then look all around and when traffic is clear you are able to go.


Hope i could help, and dont hesitate to ask for more help :)

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When corn plants are too tall, they lodge (topple over) prior to harvest. This is bad since the grain is often lost when it cann
Shalnov [3]

Answer:

The phenotypic variance= 2113

The eenvironmenal variance= 644

The genetic variance= 1469

The broad-sense heritability = 0.695

Explanation:

To determine the phenotypic variance, we need to know the calculate the environmental variance and the genetic variance first;

because Phenotypic variance = V(p) such that;

V(p) = V(e) + V(g)                  

where V(e)  =  environmental variance and V(g)   =  genetic variance

Therefore, Environmental variance can be defined as a portion of phenotypic variance due to differences in the environments to which the individuals in a population have been exposed. The total amount of variance observed is dependent on the genetic component, determined by the variation that is inherited.

This implies that V(e)= initial variance which was there in the parents ( i.e  Variance of inbred line 1 = 311  and Variance of inbred line 2 = 333 )

V(e) = (311 + 333) = 644

Genetic Variance simply refer to the variance that occurs or preferrably , that is observed after inbreeding (i.e Variance of F1 = 316  and Variance of F2 = 1153)

V(g)  = (316 + 1153) = 1469

Now, back to phenotypic variance = V(e) + V(g)

substituting the parameters we have;  1469 + 644 = 2113

Broad-sense heritability can be calculated as the ratio of total genetic variance to total phenotypic variance.

= V(g)/ V(p)

= 1469/ 2113

= 0.695

4 0
3 years ago
4) Study the wings of the birds in the two images below. Which of the following words applies to only one of the wing structures
Pani-rosa [81]

Answer:

The answer is A) Homologous structures

Explanation:

Homologous Structures:

  • Homologous structures are anatomical features in an organism that are structurally and functionally diverse but they originate from a single common ancestor.
  • Homologous structures possess a similar basic internal structure but can have entirely different morphology and function.
  • For example, the wings of a bat and a human's arm have the same internal structure but they have different functions.
  • Vestigial structures are evolutionary remnants that no longer serve a purpose in modern forms or descendants of the original organism.
  • Inherited and developmental are out of context in terms of evolutionary relationships.

6 0
3 years ago
A culture of insulin-responsive cells is analyzed after stimulation with insulin. The insulin receptors are then isolated (assum
djyliett [7]

Answer:

The α and β subunits of the insulin receptor form two bands in the SDS-PAGE gel. Moreover, in the Western blot analysis, there is just one band corresponding to the β subunit, since this subunit contains phosphorylated tyrosines, while α subunit doesn't have.

4 0
3 years ago
What can a DNA molecule contain
svp [43]

Answer:

DNA is made up of molecules called nucleotides each nucleotides contains a phosphate group a sugar group and nitrogen base

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There are six elements that make up 99.9% of the human body. which one is responsible for most of the material found in teeth?
il63 [147K]
I believe that is calcium. 
3 0
3 years ago
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