Why is cow manure used as a potential source of starch degrading bacteria

What is the first stage of a thunderstorm?

IrinaK [193]

Answer:

Cumulus stage

Explanation:

Most electrical storms form from stages, their first stage is cumulus:

In this stage, the sun warms the surface of the earth, this makes the heat from the surface warm the nearby air, as the hot air is lighter than the cool it begins to rise. If the air is humid, then the hot air condenses into a culumus cloud. The cloud will continue to grow as long as the hot air continues to rise.

4 0

3 years ago

How does adding salt affect the freezing point of water

timurjin [86]

It will disrupt the process

5 0

3 years ago

The proportions of a population that are at different age levels make up the population’s a. fertility rate. c. age structure. b

tester [92]

A: The proportions of a population that are at different age levels make up the population’s age structure.

3 0

3 years ago

In a plant called jimsonweed, flowers can be white or purple. A jimsonweed plant with white flowers is crossed with a jimsonweed

STALIN [3.7K]

Answer:

Although statements are not given in the question, we could make the most possible deduction as follows:

The allele for purple flowers is dominant whereas allele for white flowers is recessive.

Explanation:

According to the question,

Purple flower plant was crossed with white flower plant.
All offsprings have purple flowers.

Here we have one possibility that both parents were homozygous but in their own traits. Purple flower plants were "PP" and white flower plants were "pp" So, the first progeny (direct offsprings) would have "Pp". So, as per considerations, purple is dominant allele which will mask the recessive allele thus defining the color of all offsprings as purple. However, further cross of their generation will definitely end up into purple and white flowers (3:1) but this condition is not mentioned in the statement.

8 0

3 years ago

100 POINTS IF CORRECT!!!

Yuliya22 [10]

From a Punnett square you can get the genotypic and phenotypic proportions of the progeny produced from a cross. Cross: PpRr x PpRr. F1: PPRR, PPRr, PPRr, PPrr, PpRr, Pprr, ppRR, ppRr, pprr.

<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, we know that two genes are involved in the cross.

As we can see, there are dominant and recessive alleles for both genes.

Since each genotype in the square results from the combination of parental gametes, we can figure out which are the parental genotypes.

For instance, let us consider the provided genotypes

PPRr.

We can assume one of the parents provided a P and a R dominant alleles, while the other parent provided another P allele but a r recessive allele.

PR + Pr ⇒ PPRr

ppRr.

One of the parents provided a p recessive allele and a R dominant allele, The other parent provided another p allele and a r recessive allele.

pR + pr ⇒ ppRr

pprr.

Both parents provided p and r recessive alleles.

pr + pr ⇒ pprr

From this information, we can assume parents are heterozygous for both genes.

Cross:

Parentals) PpRr x PpRr

Gametes) PR, Pr, pR, pr PR, Pr, pR, pr

Punnett square) PR Pr pR pr

PR PPRR PPRr PpRR PpRr

Pr PPRr PPrr PpRr Pprr

pR PpRR PpRr ppRR ppRr

pr PpRr Pprr ppRr pprr

F1) 1/16 individuals are expected to be PPRR

2/16 individuals are epected to be PPRr

1/16 individuals are expected to be PPrr

2/16 individuals are expected to be PpRR

4/16 individuals are expected to be PpRr

2/16 individuals are expected to be Pprr

1/16 individuals are expected to be ppRR

2/16 individuals are expected to be ppRr

1/16 individuals are expected to be pprr

For a better understanding, you will find the Punnett square in the attached files representing the parental gametes with different colors, and the resulting genotypes with a combination of these colors.

In this way, you will notice which gamete comes from which parent.

You can learn more about Punnett squares at

brainly.com/question/25357981

#SPJ1

5 0

1 year ago