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igomit [66]
3 years ago
13

What is a solvent?

Biology
1 answer:
drek231 [11]3 years ago
5 0

Answer:

The last one

Explanation:

A solvent is a substance that dissolves a solute

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If I don't drink water what<br> 's going to happen in my body
spin [16.1K]

Answer:

when you dont enough water this is what would happens to your body

water is an essential for human life any deficit in normal body water though dehydration sickness exercise or heat stress can make us feel rotten. first we feel thirsty and fatigued and may develop a mild headache. This leads to various symptoms of dehydration including thirst and dry mouth, decreased urine output, muscle cramps, headache, lightheadedness, sleepiness and a lack of tear production. When the eyes stop producing tears, they are no longer properly lubricated, which can lead to dry eye, eye strain and vision problems.

Explanation

hope this helps

8 0
3 years ago
Neutron notes
miss Akunina [59]

Answer:

Neutrons are relatively massive particles that are one of the primary constituents of the nucleus. However, neutrons can be produced in a number of ways and can represent a significant source of indirectly ionizing radiation. Generally, neutrons are segregated into several categories on the basis of their energy. Thermal neutrons are those that are in thermal equilibrium with matter and, in special cases, have a Maxwellian distribution of velocities. In this distribution, the most probable velocity at 295 K is 2200 m/sec, corresponding to an energy of 0.025 eV.

Neutrons in the energy range 0.5–10 keV are called intermediate neutrons. These neutrons may also be called resonance or epithermal neutrons. Fast neutrons are those in the energy range 10 keV to 10 MeV. In this energy range, neutrons interact with matter through elastic collisions (i.e., billiard-ball–type collisions). Neutrons with energies >10 MeV are called relativistic neutrons.

Neutrons are uncharged particles, and therefore they do not participate in the electromagnetic interaction and do not produce ionization of the atoms. The interaction of a neutron magnetic moment with matter is very weak and unlikely.

All the main processes of interaction are caused by nuclear forces, as a result of various manifestations of which energetic charged particles appear in the substance. These are charged particles produced by neutrons that transmit their energy to matter, mainly due to ionization.

Unlike charged particles, which practically continuously lose energy in small portions, neutrons experience rare collisions with atoms, in which they can lose either all or a large part of their energy, which is caused by the short-range nature of nuclear forces.

The physical nature of the interaction of neutrons with atoms is fundamentally different from that of gamma quanta, but, formally, they are identical. Both gamma quanta and neutrons are penetrating radiations, whose fluxes are attenuated exponentially. For both types of radiations, it is possible to use the similar parameters—absorption and scattering coefficients.

Let us note that a free neutron is an unstable particle, it experiences a beta decay with a half-life of 614 s. But all the processes of neutrons passing through matter usually end up with the capture of a neutron by some nucleus in the time much shorter than a second. Therefore, analyzing all processes of neutron interaction with matter, the neutron instability can be ignored.

Because neutrons do not have an electric charge, they freely penetrate through the electron shells of atoms and are not repelled by the Coulomb field of the nucleus. Therefore, neutrons are an excellent tool with which you can study the nucleus, solids, biological structures, and create new elements that are absent in the surrounding world and are useful for medicine, industry, agriculture, and science.

Explanation:

5 0
2 years ago
Biology lab 14 experiment 1 punnett square crosses post lab questions
djverab [1.8K]

Complete question: PUNNETT SQUARE CROSSES

1. Set up and complete Punnett squares for these crosses (remember Y = yellow, y = blue):

a. YY and Yy

b. YY and yy

2. Answer these questions: a. What are the resulting phenotypes? b. Are there any blue kernels? c. How can you tell whether or not there are blue kernels?

3. Set up and complete a Punnett square for a cross of two of the F1 from Step 1 (above).

4. Answer these questions: a. What are the genotypes of the F2 generation? b. What are their phenotypes? c. Are there more or fewer blue kernels than in the F1 generation?

5. Identify the four possible gametes produced by the following individuals (S = smooth, s = wrinkled):

a. YY Ss

b. Yy Ss

Punnett squares are used to get the genotypic and phenotypic frequencies among the progeny produced from a cross. Punnett squares and answers below.

<h3>What is a punnett square?</h3>

The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.

Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.

In the exposed example,

Diallelic genes that codes for color

Y = yellow ⇒ dominant allele

y = blue ⇒ recessive allele

We will assume complete dominance, meaning that genotypes with at least one dominant allele will express yellow.

1)

a- Cross 1

Parentals)   YY   x    Yy

Gametes) Y   Y      Y   y

Punnett square)      Y        Y

                       Y     YY      YY

                        y     Yy      Yy

F1) Genotype

1/2 = 50% of the progeny is expected to be h0m0zyg0us dominant, YY

1/2 = 50% of the progeny is expected to be heter0zyg0us, Yy

   Phenotype

100% of the progeny is expected to be yellow.

b- Cross 2

Parentals)  YY   x    yy

Gametes) Y     Y     y    y

Punnett square)      Y        Y

                       y     Yy     Yy

                        y    Yy      Yy

F1) Genotype

100% of the progeny is expected to be heter0zyg0us, Yy

   Phenotype

100% of the progeny is expected to be yellow.

2)

a. What are the resulting phenotypes? Only yellow kernels

b. Are there any blue kernels? No

c. How can you tell whether or not there are blue kernels?

Blue is the recessive phenotype for kernels. Assuming complete dominance, since all genotypes are expected to carry at least one dominant allele, all the F1 kernels are yellow.  

3) Let us cross two heter0zyg0us individuals from the F1

Parentals)  Yy   x    Yy

Gametes) Y    y     Y    y

Punnett square)     Y        y

                       Y    YY     Yy

                        y    Yy      yy

F1) Genotype

1/4 = 25% of the progeny is expected to be h0m0zyg0us dominant, YY

1/2 = 50% of the progeny is expected to be heter0zyg0us, Yy

1/4 = 25% of the progeny is expected to be h0m0zyg0us recessive, yy    

   Phenotype

75% of the progeny is expected to be yellow.

25% of the progeny is expected to be blue.

4)

a. What are the genotypes of the F2 generation?

- 25% YY (h0m0zyg0us dominant)

- 50% Yy (Heter0zyg0us)

- 25% yy (H0m0zyg0us recessive)

b. What are their phenotypes?

- 75% yellow kernels

- 25% blue kernels

c. Are there more or fewer blue kernels than in the F1 generation?

More. Blue kernels appeared in the F2.

5. Assuming independent genes, the resulting gametes after meiosis are as follows

                        Gametes

a. YY Ss   ⇒   YS, YS, Ys, Ys

b. Yy Ss  ⇒     YS, Ys, yS, ys

You can learn more about punnett squares at

brainly.com/question/25357981

#SPJ1

7 0
2 years ago
What is the haploid number for each parent
WITCHER [35]

Answer:In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.

Explanation:

5 0
3 years ago
What is a function if the backbone in animals?
sergiy2304 [10]

Answer:

The answer is C hope this helps+

7 0
3 years ago
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