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17. Animal cell do not have chloroplasts. Why not?​

The effect that a series of major volcanic eruptions would have on global climate change would be Ash clouds would reflect the sun's energy and lower temperatures globally.

A volcanic winter is the reduction in temperature caused by volcanic ash and sulfuric acid droplets obscuring the sun, usually after a volcanic eruption. Long-term cooling effects are primarily dependent on the ejection of sulfide compounds in aerosol form into the upper atmosphere.

With this information, we can conclude that a major eruption would cause a volcanic winter, with a reduction in temperatures globally.

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The unique intercellular connections between muscle cells are called intercalated discs. They are in the cardiac muscle. An intercalated disc has gap junctions and desmosomes, which are two ways that cells use to communicate with each other. Gap junctions connect neighbor cells, and desmosomes keep the cardiac cells together.

Cardiac cells are connected by intercalated discs, which has two structures:

They are channels that communicate cells that are next to each other. Gap junctions allow the passage of ions quickly so that all the cardiac fibers can contract in a coordinated and fast way.

They are at the ends of the cardiac fibers, and they hold the cells together thanks to the different proteins that form this structure. As they can resist a lot of effort, they are one of the cardiac cell's junctions.

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Answer:

Thymine

Explanation: In DNA Adenine pairs with Thymine, and Guanine pairs with Cytosine

Answer: she wants the water to turn green and green is neutral on the PH scale. If the water is turning acidic she might want to add a bit of baking soda to balance out the acidity with a bit of alkaline. Minerals can balance acid. If the water is too much of a base she may consider adding something a little acidic to balance it.

Explanation: the science of PH balancing

The product of Krebs cycle is carbondioxide (option B).

Krebs cycle is a series of enzymatic reactions that occurs in all aerobic organisms. It involves the oxidative metabolism of acetyl units, and serves as the main source of cellular energy.

Krebs cycle is also called tricarboxylic acid cycle. The Krebs cycle is the process that occurs after glycolysis, which is the break down of glucose in the cell.

Krebs cycle occurs in the mitochondrion of the cell and produces carbondioxide and energy as products.

Therefore, carbondioxide is the product of the tricarboxylic acid cycle.

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Answer:

choices?

Explanation:

please let me know when the choices are up

Answer:

The tests on the purified substance revealed that it contained high levels of phosphorus and very little sulfur. This finding was significant because DNA contains high levels of phosphorus but very little sulfur, while proteins contain high levels of sulfur but very little phosphorus. This data further supported the hypothesis that DNA was the transforming factor, as it suggested that the substance being studied was DNA rather than a protein. This was because the levels of phosphorus found in the purified substance were consistent with what would be expected from DNA, while the levels of sulfur were not consistent with what would be expected from a protein. Therefore, the data from the tests on the purified substance provided strong evidence that DNA was the transforming factor.

Answer:

weird question????Explain

Answer:

purple flower color in pea plants

Explanation:

Edge

Oxygen was accumulated in the earth's atmosphere thanks to the origin of photosyntetic organisms about 2.4 billion years ago, which emitted oxygen as a result of the process.

So correct option is A. 2 billion years.

The statement which is true about this scenario is it being a homologous structure.

This is defined as an organ, system, or body part that shares a common ancestry in multiple organisms.

This is usually detected through similarities in their bone features thereby making homologous structure the most appropriate choice.

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Answer:

(Q1) One variable increases, then the other increases, as well.

Which term would best describe this scenario?

(Answer) positive correlation

(Q2) Which kind of evidence is used by scientists to understand the intermediate states between an ancestral form and that of its descendants?

(Answer) transitional fossils

(Q3) By studying the limbs and fossils of different animals, such as a horse leg and a human leg, scientists have noticed that there are similarities in their bone structures. This is evidence that their bone structures and limbs may have evolved in similar ways.

Which statement is true about this scenario?

(Answer) The scenario is describing a relationship known as correlation.

(Q4) A fossil indicates that whales might have started out as small land mammals. This animal was about the size of a wolf and had a diet of meat and fish. While the fossil has the body of a land animal, its head is shaped like a whale with an ear bone that is unique to whales.

Which statement is likely true about the fossil?

(Answer) It is a transitional fossil that shows correlation.

(Q5) When Charles Darwin published his book On the Origin of Species, he addressed his theory of descent with modification through

(Answer) natural selection.

Explanation:

i just took the quick check UwU.  these are the correct answers for the 2022 school year. hope this helps <3

When these two gametes (an egg and a sperm) combine with each other, the process is known as fertilization (as we can see in the third answer option), and this is achieved by these two sexual cells by a set of physiological reactions in which both cells are involved, for example, they can chemically attract between each other. After this process, also known as fecundation, there would be the formation of a zygote, which will end in the formation of an embryo after embryogenesis. We can see this graphically in the picture below, where there're a sperm and an egg with their parts.

Answer: The value of it is important because we are so dependent on it

Explanation: It has a value of ecosystem characteristics are ussualy associated into cultural traditions

Answer:

The key difference between sandy soil and loamy soil is that sandy soil is less fertile due to the low content of nutrients, moisture, and humus, whereas loamy soil has more nutrients, moisture, and humus and is more fertile.

Explanation:

if it helped uh please mark me A brainliest :))

loam soil provides a well-balanced environment for plant growth, with good drainage, moisture retention, and nutrient availability.

Sandy soil, on the other hand, drains quickly but lacks moisture retention and nutrient-holding capacity, requiring additional irrigation and fertilization.

The choice of soil type depends on the specific needs of the plants and the environmental conditions in which they are grown.

Loam soil and sandy soil are two distinct types of soil with different characteristics and properties.

Loam soil is considered to be ideal for plant growth due to its balanced composition.

It is a combination of sand, silt, and clay particles. Loam soil has a granular texture and is often described as crumbly.

It has good drainage capabilities, allowing excess water to flow through while retaining enough moisture for plant roots.

The presence of silt and clay particles helps in retaining nutrients, making them available to plants.

Loam soil is fertile and provides a suitable environment for root development.

It offers a good balance of air spaces and moisture-holding capacity, promoting healthy plant growth.

Sandy soil, on the other hand, primarily consists of larger sand particles.

It has a gritty texture and is characterized by its high drainage capacity.

Sandy soil drains water quickly, which can be beneficial in preventing waterlogged conditions.

However, due to its coarse texture, it does not retain moisture well, making it prone to drought.

Sandy soil also has low nutrient retention capability, as nutrients tend to leach away with excessive watering or rainfall.

As a result, sandy soil often requires more frequent irrigation and the application of fertilizers to compensate for the lack of nutrients.

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Answer:

light energy..........

Answer:

light energy is the answer

Answer:

8: d: Heat.

9: c: Nutrients.

10: b: One Half (?).

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Answer:collecting data so B.

Explanation:

Answer:

B

Explanation:

because they are asking people so they are collecting data why they use plastic bags

Yes there may be a genetic explanation on the msicarriages she has had.

No she should not have to abandon the thoughts of having a child.

As a genetic counselor, I would explain to the woman that recurrent miscarriages can have multiple causes, some of which may be genetic. It is important to investigate the potential genetic causes of miscarriage and determine whether they are contributing to her case.

I would recommend that the woman undergo a comprehensive genetic evaluation, including a thorough medical history, physical examination, and genetic testing. Genetic testing may include karyotyping (analysis of the number and structure of chromosomes), microarray analysis (a technique to detect small genetic changes), and testing for specific genetic mutations that are associated with recurrent miscarriage. The genetic evaluation could be done in consultation with a reproductive endocrinologist or infertility specialist.

Regarding the question of whether she should abandon attempts to have a child, it would depend on the underlying cause of the miscarriages. In many cases, it is possible to treat or manage the underlying cause, and the woman may be able to have a successful pregnancy. In some cases, however, such as if there is a genetic abnormality that cannot be corrected, the likelihood of a successful pregnancy may be lower.

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Answer:

1) Moderate increase in light increases the photosynthetic rate

2) Moderate increase in CO2 increases the photosynthetic rate

Explanation:

Photosynthesis is a metabolic process unique to the cells of autotrophic organisms such as green plants. It is the process whereby they synthesize their food in form of sugars (glucose) in the presence of sunlight energy.

The photosynthetic process, although comprises of several reactions and processes, is generally described as the reaction of carbon dioxide, water and light to give glucose and oxygen gas as products. The general equation is as follows:

6CO2 + 6H2O + light → C6H12O6 + 6O2

Since both light (needed to supply energy) and CO2 (carbon source) are reactants of the photosynthetic process, a MODERATE INCREASE in them will INCREASE THE RATE AT WHICH PHOTOSYNTHESIS OCCURS.

Answer:

In the tundra the fall and spring seasons are basically non-existent, leaving only two seasons—winter and summer. ... Summer – The summer season is very short in the arctic tundra (giving plants only 50-60 days to grow each year). The temperature is much warmer and usually ranges somewhere between 3°C and 12°C.

Explanation:

Forensic nursing bridges the gap between health care and law enforcement. Forensic nurses provide specialized care to individuals who have experienced violence, trauma, or criminal behavior.

They collaborate with law enforcement agencies, legal professionals, and the judicial system to collect evidence, document injuries, and provide expert testimony when necessary.

Their role involves providing comprehensive healthcare services to victims, including medical examinations, forensic evidence collection, crisis intervention, counseling, and support throughout the legal process.

By integrating medical knowledge and forensic expertise, forensic nurses contribute to the investigation and prosecution of crimes while prioritizing the well-being and recovery of the victims they serve.

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Answer:

GGC AUU, in transcription pair for RNA, Uracil is present instead of Thymine.

Elephants eat mostly grass, leaves, bark, stems, fruits, and flowers.

Elephants are herbivores, meaning they eat only plant material. They are known to have an enormous appetite and consume large amounts of food each day.

Some of the things that elephants eat most commonly include grass, leaves, bark, stems, fruits, and flowersThey are known to consume a lot of food each day because they have an enormous appetite.

An adult elephant can eat up to 300 pounds of food every day!They use their long trunks to reach high leaves, fruits, and to pull down branches from tall trees.

Elephants also use their tusks to break apart trees and dig up roots. They have an amazing sense of smell, which helps them to find food.

Elephants are known to travel long distances to find enough food to sustain their massive bodies.Hope this helps.

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Answer:

Producers:

Plant-eating Consumers (Herbivores):

Predators (Carnivores):

Detritivores (although not mentioned in the question, they are crucial in every ecosystem):

To answer your questions:

Answer:

First what is it? Carbon cycle is, nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.

1.Carbon moves from the atmosphere to plants. In the atmosphere, carbon is attached to oxygen in a gas called carbon dioxide (CO2). Through the process of photosynthesis, carbon dioxide is pulled from the air to produce food made from carbon for plant growth.

2.Carbon moves from plants to animals. Through food chains, the carbon that is in plants moves to the animals that eat them. Animals that eat other animals get the carbon from their food too.

3.Carbon moves from plants and animals to soils. When plants and animals die, their bodies, wood and leaves decays bringing the carbon into the ground. Some is buried and will become fossil fuels in millions and millions of years.

4.Carbon moves from living things to the atmosphere. Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants need to get rid of carbon dioxide gas through a process called respiration.

5.Carbon moves from fossil fuels to the atmosphere when fuels are burned. When humans burn fossil fuels to power factories, power plants, cars and trucks, most of the carbon quickly enters the atmosphere as carbon dioxide gas. Each year, five and a half billion tons of carbon is released by burning fossil fuels. Of this massive amount, 3.3 billion tons stays in the atmosphere. Most of the remainder becomes dissolved in seawater.

6.Carbon moves from the atmosphere to the oceans. The oceans, and other bodies of water, absorb some carbon from the atmosphere. The carbon is dissolved into the water.

Explanation: This should help

B. Both organisms benefit.

Symbiotic relationships are interactions between different species within an environment.

Mutualistic Relationships

Mutualistic relationships are interactions where both organisms are benefitted. One example is bees and flowers. In this relationship, the bees get food in the form of nectar and the flowers are pollinated by the bees. Both organisms are benefitted mutually; the bees can make honey and the flowers can reproduce.

Other Symbiotic Relationships

There are 2 other forms of symbiotic relationships. The first is commensalism: where one organism benefits but the other is unaffected. The other is parasitism: where one organism benefits and the other is harmed.