Many mountains have a tree line, which is an imaginary line above which trees will not grow. Hypothesize why some mountains have tree lines and what the trees at the tree line might look like.

Answer:

Both mitochondria and chloroplasts have their own DNA. This DNA is circular as is a prokaryote's and is not the same as the cell's DNA. They both divide by binary fission on their own schedule. Their ribosomes are more like prokaryotic ribosomes. The inner membrane of mitochondria and chloroplasts is more like a prokaryote.

Answer:

true

Explanation:

Answer:

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Explanation:

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✍condensation is the change in state from a liquid to a gas. true or false?

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the following statement is true .

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Answer:

FALSE!! All prokaryotic organisms are unicellular.

Explanation:

Answer:

False

Explanation:

because Prokaryotic celled organisms are unicellular (single celled) organisms like bacteria

Answer:

3

Explanation:

hope that helps!!!!!!!

Answer:

three

Explanation:

There are three major checkpoints in the cell cycle: one near the end of G1, a second at the G2/M transition, and the third during metaphase.

Answer:

Explanation:

Opium, mepedrone, cannabis, or weeds, I've heard these only

Stop being addict or your life's purpose is wasted, if not you, at least think of your family

Kudzu, zebra mussels, and brown marmorated stink bugs are all invasive species that were introduced to the United States from other parts of the world.

They have all caused significant damage to the environment, including killing native species, damaging crops, and clogging pipes and plumbing.  They were introduced from other countries (kudzu from Japan, zebra mussels from Eurasia, and brown marmorated stink bugs from China) and have caused significant ecological and economic damage to their new environments, as they negatively impact native species, agriculture, and infrastructure. Kudzu—or kuzu (クズ)—is native to Japan and southeast China. It was first introduced to the United States during the Philadelphia Centennial Exposition in 1876 where it was touted as a great ornamental plant for its sweet-smelling blooms and sturdy vines.

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Answer:

A. is the process where nitrogen is converted to a usable form

Explanation:

Fixation converts nitrogen in the atmosphere into forms that plants can absorb through their root systems. A small amount of nitrogen can be fixed when lightning provides the energy needed for N2 to react with oxygen, producing nitrogen oxide, NO, and nitrogen dioxide, NO2

Answer:

Mafic or basaltic lavas are typified by their high ferromagnesian content and generally erupt at temperatures in excess of 950 °C (1,740 °F). Basaltic magma is high in iron and magnesium and has relatively lower aluminium and silica, which taken together reduces the degree of polymerization within the melt

Explanation:

Answer Wood

Explanation: there will always be trees but the will not be wind at all times, nuclear energy was invented, man made so it can run out. I could be wrong. Pls don’t hate if I am.

Some plants have extraordinarily lengthy roots, which enable them to draw water from a great depth below the Earth's surface. For insects to visit and aid in pollination, other plants have flowers that are the ideal shape.

The thick stems and leaves of plants are reservoirs for water. Animals are deterred from ingesting plant material by the spines. Photosynthesis is carried out by green stems on some plants. To shade the plant and reflect light, hairs on the leaves or stems are helpful.

In order for plants to have a better chance of surviving in their specific habitats, they have distinctive qualities called adaptations.

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The evidence that would have supported the conclusion that the 24-hour rhythms of humans and cyanobacteria reflect convergent evolution is the genetic similarity of the genes that maintain the biological clocks in both organisms.

Convergent evolution is the process by which different organisms independently evolve similar features or adaptations in response to similar environmental pressures or selective pressures.

In the case of circadian rhythms, if scientists found that the genes that regulate the biological clocks in humans and cyanobacteria were similar, it would suggest that both organisms have evolved similar clock mechanisms in response to similar selective pressures, such as the daily cycle of light and dark.

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The population of deer in the wildlife sanctuary can be estimated using the formula:

P(t) = P(0) * (1 + r)^t

where P(t) is the population after t years, P(0) is the initial population, r is the growth rate per year, and t is the number of years.

In this case, the initial population (P(0)) is 40 deer, the growth rate (r) is 60% per year (0.60), and we need to estimate the population after one year (P1) and two years (P2).

To calculate P1:
P(1) = 40 * (1 + 0.60)^1
P(1) = 40 * (1 + 0.60)
P(1) = 40 * 1.60
P(1) = 64

Therefore, the estimated population after one year is 64 deer.

To calculate P2:
P(2) = 40 * (1 + 0.60)^2
P(2) = 40 * (1 + 0.60)^2
P(2) = 40 * 1.60^2
P(2) = 40 * 2.56
P(2) = 102.4

Therefore, the estimated population after two years is 102.4 deer.

It's important to note that these are estimates and assume that there are no constraints on the population growth. In reality, factors like limited resources, predation, and disease can affect the growth rate and population size.

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Answer:

All living cells contain ribosomes, tiny organelles composed of approximately 60 percent RNA and 40 percent protein

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Answer:

Ribosomes 1 teaspoon of round cake sprinkles

Explanation:

Industrial uses for synthesized GA (Gibberellic acid) include increasing the length, yield, and size of the crops. Thus, options a, b, and c are correct.

Yield is increased by using synthesized GA in the form of Gibberellic acid, which helps promote cell elongation, fruit enlargement, and better seed formation.
The use of synthetic GA in the agriculture industry is beneficial in many ways as it helps in enhancing the growth of crops and increases productivity.
There are several industrial uses of synthesized GA. They include:
a. Increasing yield of sugarcane

b. Increasing the size of seedless grapes problems

c. Increasing the length of celery petioles

They are not involved in killing monocot weeds and tightening the clusters on grape vines.

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Answer: In metaphase I, homologous chromosomes line up along the center of the cell in order to be pulled apart.

Explanation:

Meiosis is the type of cell division in the germinal cells. In metaphase I of meiosis, the homologous chromosomes line up across from each other in the center of the cell.

Metaphase I is one of the stages of meiosis I in which the duplicated homologous chromosome pairs align at the center of the cell along the midline and are connected through the centrioles.

In prophase I the homologous chromosomes are created and in anaphase I, the aligned chromosomes move towards the opposite poles so that after division each cell has the same number and equal composition of chromosomes.

Therefore, in metaphase I the homologous chromosomes are aligned at the midline.

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The processes that are occurring during the given part of the cell cycle are mitosis and cytokinesis.

The cell cycle may be characterized as the entire sequence of events that happens from the end of one nuclear division to the beginning or the initiation of the next. The entire cell cycle may be defined into two phases. ie. Interphase and M phase (division phase).

In every cell cycle, almost 70% of the time is consumed by interphase. This is because it is considered the longest phase of the cell cycle. During this phase, the cell prepares itself through the replication of genetic content and matures the cell for the division phase.

In cytokinesis, after the successful division of the nucleus, cytoplasm division must be facilitated in order to prepare two cells from a parental cell.

Therefore, the processes that are occurring during the given part of the cell cycle are mitosis and cytokinesis.

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Answer:

I think you are talking about a plant cell, in which case. You would see a singular large center vacuole chloroplasts, and a rigid cell wall

Answer: Nervous system

Explanation:

The skeletal and muscular system are the two inter-related systems in the body which ensures the movement of the body. The nervous system releases a chemical message through motor neuron, which is a neurotransmitter acetylcholine that binds to the receptors present outside the muscle fibers. These receptors ensures the movement of the muscles along with skeleton. The motor neuron ensures the contraction and relaxation of the muscles.

Answer: Kinetic Energy

Explanation: Thermal energy comes from moving particles, and that’s what Kinetic Energy does, so Kinetic energy would most likely be the answer.

The author's reasoning about flower evolution could most reasonably be extended to questions about climatic influences on flower shape. The correct option is A) climatic influences on flower shape.

The author's reasoning can be extended to questions about climatic influences on flower shape because they have already discussed the relationship between flower shape and the specific pollinators they attract. The author has explained how flowers have evolved to have specific shapes and structures that are advantageous for attracting particular pollinators, such as birds, bees, or butterflies. They have also discussed how the shape of a flower can determine the accessibility of its nectar and pollen to these pollinators.

If we apply this reasoning to climatic influences, we can hypothesize that environmental factors like temperature, humidity, wind patterns, and rainfall might play a role in shaping the physical characteristics of flowers. Different climatic conditions may favor the evolution of certain flower shapes and structures that are better adapted to those specific environments. For example, in windy environments, flowers may have evolved to be more compact and sturdy to withstand strong gusts of wind. In hot and arid climates, flowers may have evolved to have deeper nectar tubes to conserve water and attract pollinators that can access the nectar from deep within the flower.

By extending the author's reasoning to climatic influences on flower shape, we can explore how flowers have adapted to diverse environmental conditions and how these adaptations contribute to their reproductive success. This line of inquiry would provide insights into the intricate relationship between plants and their surrounding environment and shed light on the evolutionary pressures that have shaped the diversity of flowers we observe today.

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Answer:

Explanation:

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Answer:

co2

Explanation:

Hope this helps, have a nice day!

Answer: When DNA is being copied for the Daughter cells

Explanation: There is a mistake when the DNA is being copied for the new daughter cells. When a cell divides, it must divide its DNA into 2 exact copies of the orginal DNA for the 2 new daughter cells. Sometimes the copy isn't correct and the cells mutates.

A dominant trait is the name of the trait that hides or masks another genetic trait.

Dominance is the phenomenon of one variant of a gene on a chromosome masking or overriding the effect of a different variant of the same gene on the other copy of the chromosome.

The dominant trait is the one that is the first to appear or express itself visibly in the organism. Example: In human beings, we observe V-shaped hairline.

Dominant individuals are often most influential in their social groups, affecting movement, opinion, and performance across species and contexts.

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Answer:

Why is shape important? The shape of an enzyme is very important because it has a direct effect on how it catalyzes a reaction. An enzyme's shape is determined by the sequence of amino acids in its structure, and the bonds which form between the atoms of those molecules.

Answer:

1) RR x rr

2) Shown below

3) 100% Rr with red eyes

4) Punnett square shown (Rr x Rr)

5) 25% of the offspring are h0m0zygous dominant with red eyes (RR), 50% are heterozygous with red eyes (Rr), and 25% are h0m0zygous with brown eyes (rr)

Explanation:

Let's say the allele for red eyes is R and the allele for brown eyes is r.

1. A cross between a h0m0zygous dominant (two copies of the dominant allele, R) and h0m0zygous recessive (two copies of the recessive allele, r) is: RR x rr

2.                            R                  R

                  r          Rr                Rr

                  r          Rr                Rr

The F1 generation is shown in the Punnett square above.

3. The F1 generation are 100% Rr. They are heterozygous. Since red (R)                     is dominant, the rats all have red eyes

4. A cross between the F1 generation (Rr x Rr) gives the F2 generation

                              R                  r

                  R         RR              Rr

                  r          Rr                rr

5. 25% of the offspring are h0m0zygous dominant with red eyes (RR), 50% are heterozygous with red eyes (Rr), and 25% are h0m0zygous with brown eyes (rr)

The statement "molecular orbital (MO) theory treats a molecule as a collection of nuclei with MOs delocalized over the entire structure" is true. It is a fundamental concept in molecular orbital theory, which is one of the two primary ways to describe the electronic structure of a molecule.

In this theory, each molecule is viewed as a whole with its constituent atoms' atomic orbitals combined to generate new molecular orbitals.The electrons are assigned to these new MOs according to the Pauli exclusion principle and Hund's rule, which govern the electronic configuration of the molecule.

The molecular orbital theory explains the bonding, antibonding, and nonbonding interactions between electrons, which underlies the physical and chemical properties of the molecule.MO theory also makes it possible to describe the molecule's spectroscopic properties, such as UV-visible and infrared spectra. For example, electronic transitions that lead to absorption in the UV-visible region of the electromagnetic spectrum can be attributed to electron excitation from the bonding to antibonding molecular orbitals.In conclusion, molecular orbital theory treats a molecule as a collection of nuclei with MOs delocalized over the entire structure.

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Answer:

d. All of these answer choices are correct.

Explanation:

Viruses have an exterior coat composed of protein, the capsid. Inside of it, there is DNA or RNA. When the virus has RNA, it has an enzyme that allows the synthesis of DNA from RNA. This type of virus is a retrovirus since it does the inverse process, from RNA, it gives DNA and not the other way round.

First, as the capsid has proteins, it attaches to a receptor in the cell's membrane. Then the DNA or ARN enters the cell taking it as a host since it uses the cell's structure to replicate the viral DNA and make viral proteins and DNA that then it assembles to form new viruses that will be released to infect other cells.