name 2 structures present in root hair cell that are not present in a red blood cell

Answer:  It is A near the back just above the occipital

Explanation:

Although all of the cells in your body contain a complete set of DNA, they have different functions because different genes are switched on and off in each type of cell.

In general, cells are specialized depending on their roles in the body, and this is caused by different genes being switched on or off, depending on the type of cell. A cell's genes are similar, and they are mostly identical from one cell to the next. However, different cells express different genes, which leads to their specialization. In summary, cells in the body have different functions because of the differential regulation of gene expression. Certain genes are activated in certain cell types, whereas others are silenced. Cells, in general, have the same set of genes, but they express different sets of genes, resulting in their differentiation.

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The student is likely trying to answer the question, "What processes or factors contribute to the transformation of large rocks into soil in this area?"

By studying how large rocks in an area turned into soil, the student aims to investigate the specific mechanisms responsible for this transformation. They may be interested in understanding the physical and chemical processes that break down rocks into smaller particles, such as weathering, erosion, and biological activity.

The student might also explore the role of environmental factors like temperature, moisture, and vegetation cover in promoting rock decomposition. The investigation could involve examining the types of rocks present and their mineral composition, as different rock types may undergo varying rates of weathering and soil formation.

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The two pieces of evidence that support the theory of the expanding universe are the red shift of light from distant stars and the existence of cosmic background radiation.

The correct answer is option B.

1. Red shift of light from distant stars: The observation of redshift in the light coming from distant galaxies provides evidence for the expansion of the universe. Redshift occurs when the light waves from an object moving away from an observer are stretched, causing a shift towards longer wavelengths. This phenomenon is consistent with the Doppler effect, where the wavelength of light appears to stretch as the source moves away. The redshift of light from distant stars indicates that galaxies are moving away from us and from each other, supporting the idea that the universe is expanding.

2. Existence of cosmic background radiation: The discovery of cosmic background radiation further supports the theory of the expanding universe. Cosmic background radiation is a faint, uniform microwave radiation that permeates the entire universe. It is believed to be residual radiation from the Big Bang, the initial event that is thought to have initiated the expansion of the universe. The presence of cosmic background radiation provides strong evidence for the hot, dense early stages of the universe and its subsequent expansion.

Based on the information provided in the diagram, it is not possible to determine the identity or nature of the celestial objects labeled X. The diagram only represents the expansion of the universe over time and does not provide specific details about individual celestial objects.

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Beavertail cactus

:-- they are primary consumer because they produce the material and store the energy at the bottom of the food chain. In other words, all animals are dependent, either directly or indirectly on the food materials stored in plants.

Answer:

Blowing on your wet hand helps the water and alcohol to evaporate. The airflow will also support the heat transfer away from your skin.

Explanation:

1. Regarding the actions that are being implemented to combat global warming we can say that we are in a critical point when we need to take a more solid immediat actions.

Even though around the world countries are agreeing to implement certain actions to reduce the emission of greenhouse gases (an example of this is the Paris Agreement in 2015), not all of them are being able to actually meet the goals that were set.

Experts say that it is highly important that by 2050 we get the greenhouse gases emissions to zero. This is a huge challenge but what is important is that people around the globe are starting to be more concerned about this topic and are starting to take small but very important actions.

2. Some of the actions that we can take to combat gobal warming are:

• Encourage family and friends to reduce their carbon pollution (social media will play an important role in this aspect).

• Choose means of transport that produce less greenhouse gas emissions (like public transport or bicycles).

• Reduce the power consumption and choose renewable sources of energy.

• Choose a plant-based diet and don't waste food.

• Choose to shop local.

• Plant trees.

• Reduce the use od plastic.

Answer:

Another big example of passive transport is osmosis. This is a water specific process. Usually, cells are in an environment where there is one concentration of ions outside and one inside.

Explanation:

\(\fbox\pink{A}\fbox\blue{n}\fbox\purple{s}\fbox\green{w}\fbox\red{e}\fbox\orange{r}\)Osmosis is a special case of diffusion. Water, like other substances, moves from an area of higher concentration to one of lower concentration. ... In this example, the solute cannot diffuse through the membrane, but the water can. Water has a concentration gradient in this system.

Answer:

weed growth upstream

Explanation:

When dams are build up on a river the water at upstream rises .

Buliding dams also have some other side effects like dieing of fishes ,quick floods etc .

Option B

Omnivores are organisms that feed on several prey items. In the exposed example, C is the omnivore and feeds on A, D, and B.

Omnivore organisms are those who can feed on any kind of items, going from vegetable species to different animal species. In this last case, depending on the species, the diet might include invertebrate and vertebrates.

In the exposed example we can see that

C is the omnivore organisms in this web since it feeds on autotroph (A), herbivores (D) and carnivores (B).

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Answer:

Explanation:

Two examples of nucleic acids include deoxyribonucleic acid (better known as DNA) and ribonucleic acid (better known as RNA). These molecules are composed of long strands of nucleotides held together by covalent bonds

Answer:

Environmental Factors Interact with Genes

Environmental factors often influence traits independently of genes. But not always. Sometimes the environment changes a gene—either its DNA sequence or its activity level. Either of these effects can change the proteins that are made from a gene, which in turn affects traits.

Answer:

The primary species something regenerates off of.

For example: Let's say there was an animal called a goblegg.

If the animal who gives it the main components is an chicken, the primary species is a chicken.

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Water is essential for all living processes, and most land animals need a supply of fresh water to survive. Without water, existence of life will be impossible. All organisms use water for their existence. It is used as drinking water. It is also an aid in respiration process.

Answer -True

Answer:

no

Explanation:

Can any mountain have a volcano erupt from it? The easiest answer here is no. However some mountains are volcanoes (Mt Kilimanjaro, Mt Etna….), they can definitely erupt if active or re activated.

Answer:

Animal Scientist

Explanation:

Answer:

green-flowered plants

Explanation:

In biology, blending inheritance refers to an erroneous theory from the XIX century, which proposed that the progeny (F1) inherits phenotypic traits as an average of parental phenotypic values. If this theory would be true then a crossing of a blue flower variety with a yellow variety of the same species would produce green-flowered progeny (since green is a combination of blue and yellow). Charles Darwin used pangenesis, a hypothetical mechanism for heredity that implied blending inheritance, in order to understand the transmission of hereditary characters. Darwin believed that different parts of the body generated heredity particles called 'gemmules' that aggregated in the gonads, and contributed to the transmission of heritable information to the next generation. The blending inheritance theory was replaced by Mendelian inheritance during the early 1900s.

Answer:

The nucleus contains most of the genetic material (DNA) of the cell. ... Also located in the nucleus is the nucleolus or nucleoli, organelles in which ribosomes are assembled.

A national rainforest in Puerto Rico is MOST closely associated with ecotourism. The correct answer is c).

Ecotourism is a form of tourism that is focused on responsible travel to natural areas that conserves the environment and improves the well-being of local people. The goal of ecotourism is to educate visitors about the natural and cultural heritage of a particular area and to promote conservation efforts.

A national rainforest in Puerto Rico would be an ideal location for ecotourism because it offers visitors the opportunity to explore a unique and diverse ecosystem while also supporting conservation efforts and providing economic benefits to local communities. In contrast, a water park, hunting grounds, cruise ship, or jet ski rental shop may not be focused on responsible travel or conservation efforts and may have negative impacts on the environment and local communities.

Therefore, the correct answer is c) A national rainforest in Puerto Rico.

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Answer:

water and sunlight (for sure)

Answer:

Plants are called producers because they make their own food

Explanation:

Plants use minerals and water from the ground and their leaves absorb Carbon Dioxide (CO2) from the air.They convert these into food by using sunlight

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An interaction that contributes to the stability of this ecosystem is: B. Species B returns compounds to the environment that may later be used by species C.

An ecosystem simply refers to a biological community that is made up of species of living organisms (biotic factors) and the physical environment (abiotic factors) in which they exist and all interact.

Based on the schematic diagram shown in the image attached below, we can logically deduce that an interaction which contributes to the stability of this ecosystem is that Species B returns chemical compounds to the environment that may later be used by species C.

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The skin is a selective barrier, which protects the human body from any type of external attack, among its functions is not releasing digestive enzymes.

It is an integument that is made up of an outer layer (called the epidermis) and an inner layer (called the dermis).

Therefore, we can conclude that the skin is the border of the organism with the external environment, its primary function is the adaptation and protection of the individual, among its functions is not releasing digestive enzymes.

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Answer:

D. Enzymes open the DNA strand, remove a segment of DNA from the strand that contains the damage, and resynthesize the correct DNA sequence.

Explanation:

From time to time, the DNA gets exposed to certain chemicals or radiation that damages it. However, the cell has a DNA repair mechanism in place called NUCLEOTIDE EXCISION REPAIR (NER).

NUCLEOTIDE EXCISION REPAIR (NER) is one of the DNA repair mechanisms in which certain enzymes open the DNA strand, remove a segment of DNA that contains the damaged gene or nucleotide bases, and resynthesize the correct DNA sequence using the pair of the damaged one.

Answer:

next is 10

Explanation:

Meiosis occurs in two main phases: Meiosis I, which involves the separation of homologous chromosomes, and Meiosis II, which involves the separation of sister chromatids.

Meiosis is a complex cellular process that occurs in sexually reproducing organisms to produce gametes (sperm and eggs) with half the number of chromosomes as the parent cell. It consists of two successive divisions, known as Meiosis I and Meiosis II, each with distinct phases.During Meiosis I, the cell goes through the following phases: prophase I, metaphase I, anaphase I, and telophase I. The key events during this phase include pairing of homologous chromosomes (synapsis) and exchange of genetic material between them (crossing over) in prophase I. This is followed by the alignment of homologous chromosomes along the equator of the cell in metaphase I, their separation and migration towards opposite poles in anaphase I, and finally the formation of two haploid daughter cells in telophase I.

Meiosis II, which is similar to mitosis, follows Meiosis I without any DNA replication. The phases of Meiosis II include prophase II, metaphase II, anaphase II, and telophase II. In prophase II, the nuclear envelope breaks down, and the chromosomes condense. In metaphase II, the chromosomes align along the equator of the cell. In anaphase II, the sister chromatids separate and move towards opposite poles. Finally, in telophase II, the nuclear envelope reforms, and four haploid daughter cells are produced.

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The physiological process being investigated is diffusion.

Diffusion is the movement of molecules from a region where they are more concentrated to one where they are less concentrated.

The net movement of molecules is from a region of high concentration to one of low concentration during diffusion.

In a cell, there are four different kinds of transport systems.

These are main active transport, secondary active transport, facilitated diffusion, and simple diffusion.

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