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Tresset [83]
3 years ago
9

. Describea typical stress-strain curve and the relationship between the segments of the curve and stress and strain.

Biology
1 answer:
Juli2301 [7.4K]3 years ago
6 0

Answer:

the relationship between stress and strain that a particular material displays . it's unique for each material . it's is found by recording amount of strss at different values of strain. it is the stress point at which a specific material breaks under a given stress  in a typical stress-strain curve ,  the breaking strength is less than the ultimate strength

Explanation:

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The locations of neural activity, called _____, are interconnected.
Usimov [2.4K]
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6 0
3 years ago
Determine whether a nail would be chiral or achiral.
weeeeeb [17]

A nail may be considered as an achiral object because it can be superimposed when it is faced in a mirror image where in it may look exactly the same rather than chiral when they are in a mirror image, it wouldn’t be superimposable.

3 0
3 years ago
What changes can humans make to PREVENT climate change from becoming worse? None of these Creating waste Wasting energy Driving
Mumz [18]

Answer:

1. Increase afforestation

2. avoid deforestation

3. avoid coal burning

4. Avoid wild fires

3 0
3 years ago
when two true breeding pea plants that show contrasting traits are crossed 1) mention the pod shape in F1 generation 2)work out
agasfer [191]

Answer:

1.) Inflated pod shapes (Cc) in the F1 generation

2) See attached image for the work out of the cross from P generation to F2 generation.

3). CC- 1/4, Cc- 1/2, cc- 1/4

Explanation:

This question is related to the pod shape trait encoded by a single gene in pea plants. The alleles for inflated pod shape (C) is dominant over the allele for constricted pod shape (c). This means that allele "C" will be expressed over allele "c" in a heterozygous state.

The two truebreeding parent plants will have genotypes: CC (inflated pod shape) and cc (constricted pod shape). When these two plants are crossed, an all heterozygous plant with genotype: Cc will be formed in the F1 generation. Since, C is dominant over c, the F1 Cc plants will have an inflated pod shape phenotype.

The F1 Cc plants are self-crossed to produce the F2 generation offsprings i.e. Cc × Cc. The gametes C and c will be produced by each F1 parent, which will be used to draw a punnet square (see attached image). From the cross, offsprings with genotypes: CC, Cc and cc are produced in the F2 generation.

CC (phenotypically inflated pod shape)- 1/4

Cc (phenotypically inflated pod shape)- 1/2 or 2/4

cc (phenotypically constricted pod shape)- 1/4

3 0
3 years ago
In 1918, the Russian Tsar Nicholas II was deposed, and he and his family were reportedly executed and buried in a shallow grave.
GaryK [48]

Answer:

By making a paternity test by Short tandem repeats, or STRs (microsatellites).

Explanation:

Short tandem repeats, or STRs, are microsatellites consisting of repeated sequences of 2 to 6 base pair length monomers  in tandem, and most of them have a high degree of polymorphism. Half of an individual microsatellites are inherited by each parent, and they can be assesed by PCR amplification and further electrophoresis.

In this case, you would try to recover a bone from the remainings of the woman, the Tsar and his wife, since the rest of the latest were in a shallow grave with many different individuals. Preferably, you should manipulate this samples in an ancient DNA facility (aDNA) with proper techniques. You clean the bone samples, drill them, and from internal bone powder make a DNA extraction. After this, you perform a series of PCR targeting a panel of STRs, and electrophoresis. If the woman claim is true, half of her microsatellites should have correspondence with the Tsar, and half with the ones of his wife.

4 0
4 years ago
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