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Answer:

Microorganism activity affects soil acidity and the amount of organic matter in soil. It also affects the nutrient and mineral levels in soil as well as soil structure.

Explanation:

Answer:

AB I'm pretty sure ysv6igscugz hii shivhxhix vhzo xvjz joxpj xj

The possible allele combinations from the gametes of an organism with the genotype of AaBb is AB, Ab, aB, and ab. The correct option is D.

Alleles are variations of the gene. The offspring contain genes or traits from both parents. The same trait is given by both parents, one become dominant and one become recessive.

A gamete is a haploid cell that fuses with another cell to produce offspring, This occurs during fertilization. The female gamete is called ova or egg, or male cells are sperms.

When the genotype that will be produced by the fusion of AaBb is AB, Ab, aB, and ab. The small letters denote the recessive gene and the capital letter denotes the dominant genes.

Thus, the correct option is D. AB, Ab, aB, and ab.

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Answer:

During prophase, which occurs after G2 interphase, the cell prepares to divide by tightly condensing its chromosomes and initiates mitotic spindle formation. The chromatin fibers condenses into discrete chromosomes. The nucleolus also disappears during early prophase.

Answer:

During prophase, which occurs after G2 interphase, the cell prepares to divide by tightly condensing its chromosomes and initiates mitotic spindle formation. The chromatin fibers condense into discrete chromosomes. The nucleolus also disappears during the early prophase. It's the most common/longest phase because of how long it takes to separate the chromatin, connect spindles, and prep for the rest. The cell essentially spends most of it doubling up on your DNA and prepping.

Explanation:

hope this helps have a good rest of your night :) ❤

Answer:

option a

Explanation:

a polar bear has white fur thick fat and a keen sense of smell like most bears. Just look at a photo of a polar bear and that is clear

The Characteristics of Life Living things include both the visible world of animals, plants, and fungi as well as the invisible world of bacteria and viruses. On a basic level, we can say that life is ordered. Organisms have an enormously complex organization.

Explanation:

Answer:

A) In order for organisms to grow.

Explanation:

Tell me if I am wrong. I hope this helps :)

Cell division in a cell takes place in the single-celled organisms to reproduce and pass along the genetic information of the cell. Thus, the correct option is B.

Cell division is the process of division of cell through which a parent cell divides into two daughter cells with equal genetic content which are similar to the parent cell. Cell division generally occurs as a part of a larger cell cycle in which the cell grows in size and the cell replicates the chromosomal material before it is undergoing cell division.

In the unicellular organisms, cellular division is a significant process through which a unicellular organism undergoes development and result into the formation of a new organism with genetic material which is similar to the parent cell. In the multicellular organisms, process of cellular division helps in maintaining a balance between the genetic material such as the DNA and the RNA contents as well as the nuclear and cytoplasmic contents of the cell.

Therefore, the correct option is B.

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Answer:

The Sun I believe

Explanation:

Answer:

1- DNA: a specific DNA sequence encodes a transcription factor which activates the expression of target genes involved in cell differentiation  

2- RNA: short non-coding RNAs may bind to enhancer regions and thus activate the expression of target genes involved in cell differentiation  

3- Environmental factor: temperature may control the expression of genes involved in cell differentiation pathways  

Explanation:

The deoxyribonucleic acid (DNA) contains the genetic material required to encode proteins. Some of these proteins are transcription factors involved in the activation of diverse signaling pathways, including, for example, cell differentiation and proliferation. On the other hand, microRNAs (miRNAs) are short non-coding RNAs that have the ability not only to repress but also to activate transcription by binding enhancer sequences. The miRNA activation mechanism has recently been discovered. In consequence, some miRNAs may potentially activate the expression of target genes involved in cell differentiation (e.g., c-myc gene). Finally, environmental factors (e.g., nutrient availability, salinity, temperature, etc.) may also activate gene expression and thus control diverse pathways such as cell differentiation, cell proliferation and cell death (apoptosis).

Answer:

Im pretty sure its D

Answer:

yes it is false I'm sorry I I'm wrong but I'm sure it's false

Answer:

A

Explanation:

antibiotics fight bacteria not viruses

Answer:

lion as a highly social animal present a number of issues when it comes to knowing parentage: there can be multiple males in a group mating with many of the female, females raise the young of other pride member.

Answer: Key words: tissue repair, regeneration, scarring, wound healing, growth factors ... Tissue repair may restore some of the original structures of the damaged tissue ... Initially the new blood vessels are critical in the transport of nutrients and cells to ... the basement membrane is composed largely of nonfibrillar collagen

Explanation:

Answer:

translocation I believe! :)

Explanation:

Answer: Variations of traits causes those better suited to the environment to survive and reproduce. ... Why are advantageous traits more likely to be passed onto offspring? Because they are more likely to survive and reproduce.

Explanation:

Answer:Genetic variation within a species can result from a few different sources. Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. ... As a result, the tree-colored moths are more likely to survive, reproduce, and pass on their genes

Explanation:

Answer:

The slope shows efficiency of the engine.

Explanation:

The slope indicates that the car travels a certain distance by using a specific amount of fuels. This slope shows efficiency of the engine of that car by using fuel to cover a specific distance. If the car travels more distance and used little amount of fuel so it means that the car engine has high efficiency whereas if the car used more fuel and covers little distance so we can say that it has low efficiency.

a) -0.04 gallon(s).

b)1 mile(s).

c) -0.04 (again)

d) loss of 0.04 gallons of fuel for every 1 mile.

Answer:

d. taller

Explanation:

The air tends to flow faster over taller formations. Therefore option D is correct.

When air encounters different formations or obstacles, it can affect the speed and behavior of the airflow.

Taller formations, such as tall buildings, mountains, or cliffs, can create an obstruction in the airflow. When air encounters a taller formation, it is forced to flow up and over the obstacle.

As a result, the airflow can accelerate on the windward side of the formation and create faster wind speeds. This phenomenon is known as an acceleration zone or an area of increased wind speed.

Therefore, the correct option is d. taller formations. Taller formations can cause the air to flow faster due to the presence of acceleration zones or areas where the airflow is forced to speed up as it interacts with the obstacle.

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Answer:

Water and ions are obtained from soil and glucose is obtained from leaves.

Explanation:

Water and ions are absorbed by the plant through roots from the soil whereas glucose is produced in the leaves during the process of photosynthesis. Vascular bundles such as xylem and phloem transported water, ions and glucose within the body. Xylem moves water from roots to the upper water of plants such as leaves, stem etc whereas phloem transported glucose from leaves to other parts of plant.

Answer:

AUG- GCC- UCA

Explanation:

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Answer:

Some genes produces variable traits depending on environmental conditions

Explanation:

The interaction between some genes and environments confers on individuals different degrees of susceptibility in the appearance of a certain characteristic or in the expression of some variable traits. The trait appears in individuals who have reached a certain threshold, thus the variability in phenotypic expression could be related to the greater or lesser number of predisposing genes in each individual. The differential expression of genes depending on the environment is called the reaction norm, and it refers to genes that can be expressed in a different way in different individuals, depending on the environment in which those individuals develop. The norm of reaction is the set of pathways that a genotype can follow, in all favorable and unfavorable environments, until giving rise to the various possible phenotypes.

Answer:

genes

Explanation:

Answer:

Adaptive radiation

Explanation:

Answer:

Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction. During reproduction, when the sperm and egg unite to form a single cell, the number of chromosomes is restored in the offspring.

Explanation:

sourced from nature.com