Biology College

During a plasticity test, if the soil snake breaks, what does this tell you about the soil?
A. The soil is cohesive.
B. The soil should be rolled tighter.
C. The soil was a poor sample.
D. The soil is not cohesive.

Answers

Answer 1
I believe the answer is the soil is not cohesive.

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Answer 2
C. Because the plasticity test is about getting a wet sample and molding it, and if you can mount do that, then it must be a poor sample

Related Questions

Define of DNA sequencing in the simplest form

Answers

Answer:

DNA sequencing is the process of determining the order of the four bases (adenine, thymine, guanine, and cytosine) in a molecule of DNA.

Explanation:

DNA sequencing is the process of determining the order of nucleotides (A, C, G, and T) in a DNA molecule. It can be used to identify the genetic makeup of an organism or to study variations in the DNA sequence.

Which of the following statement best describes the similarity between sexual and asexual reproduction?

Answers

Answer:

B. Both pass on genetic material to the offspring.

Asexual reproduction is a process in which organisms produce offspring without the involvement of meiosis and fertilization. The offspring produced through asexual reproduction are genetically identical to the parent organism. In contrast, sexual reproduction is a process in which organisms produce offspring through the fusion of genetic material from two parent organisms. The offspring produced through sexual reproduction are genetically diverse as they inherit a combination of genetic material from both parents. Both asexual and sexual reproduction pass on genetic material to the offspring. However, only sexual reproduction leads to genetic diversity in the offspring.

Correct option( B)
Human egg Angiospermic egg
Humans are reproductively active throughout their reproductive phase. So, the eggs don't form only once in their lifetime, it produces many times.

Angiosperms are also reproductive throughout their reproductive phase. So, egg produces much time during their reproductive phase.
Human eggs are not stationary. During the process of ovulation, eggs are released from the ovary and transported to the uterus through the fallopian tube. Angiospermic eggs are stationary. Eggs remain closely packed in the ovary.
Human eggs are not actively motile like human sperm. Angiospermic eggs are non-motile. That's why for the process of fertilization male gamete enter inside the ovary through the stigma and style.
Syngamy (zygote) formation takes place during the fertilization process. Syngamy (zygote) formation takes place during the fertilization process.

What is the difference between a dominant color allele and a recessive color allele found in pea plants? Responses Both alleles code for proteins that produce pigments. The pigments produced by a recessive color allele are white. A recessive color allele codes for proteins that produce pigments. A dominant allele does not code for those proteins. A dominant color allele codes for proteins that are involved in the production of pigments. A recessive color allele does not produce a working version of these proteins. Both alleles cannot code for any proteins. Purple is the natural color of plant petals when no other factors are involved.​

Answers

The differences between a dominant color allele and a recessive color allele found in pea plants is based on the facts that  5. A dominant color allele codes for proteins that are involved in the production of pigments and 6. A recessive color allele does not produce a working version of these proteins.

What are dominant and recessive alleles in a given locus?

The expression dominant and recessive allele for a given locus make reference to the presence of one alle called dominant which masks the expression of the recessive allele in heterozygous individuals, which is only expressed in homozygous recessive individuals.

Therefore, with this data, we can see dominant and recessive alleles in a given locus have a distinct effect on the phenotype in the sense the recessive allele does not produce the required protein in presence of the dominant allele.

Learn more about dominant and recessive alleles here:

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Thalassemia is a hereditary disease of the blood of humans resulting in anemia. Severe anemia (Thalassemia major) is found in homozygous (TMTM) and a milder form (Thalassemia minor) is found in heterozygous (TMTN). Normal individuals are homozygous (TNTN). If all individuals of Thalassaemia major die before sexual maturity, what fraction of the adult F₁ from marriages of minors with minors would be expected to be anemic?​

Answers

Answer:

If all individuals with Thalassemia major die before sexual maturity, the fraction of the adult F1 from marriages of minors with minors that would be expected to be anemic would be 0.25. This is because, in such a marriage, each parent is a carrier of the trait (TMTN) and the offspring of such a marriage would thus be expected to be in a 1:2:1 ratio of normal individuals (TNTN): carriers (TMTN): individuals with Thalassemia major (TMTM). Since those individuals with Thalassemia major would not have survived to adulthood, the fraction of anemic individuals would be 0.25 (1/4).

Explanation:

If all individuals of Thalassemia major die before sexual maturity, the expected fraction of anemic individuals in the F1 generation of marriages between Thalassemia minors would be 0.25, or 25%. This is because, when two Thalassemia minors are married, the genotypes of their offspring will be 25% TT (Thalassemia major), 50% TN (Thalassemia minor), and 25% NN (normal individuals). Since only the TT individuals will be anemic, 25% of the offspring will be anemic.

A child uses her hand to measure the width of a tabletop. Her hand has a width of 8.3 cm at its widest point, and she finds the tabletop to be 15.5 hands wide.

Answers

Answer:

see below

Explanation:

To find the width of the tabletop in cm, we can multiply the number of hands by the width of one hand.

Width of tabletop = 15.5 hands x 8.3 cm/hand

Width of tabletop = 129.45 cm

So, the width of the tabletop is 129.45 cm.

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