Why do you think animals and amoebas can't do photosynthesis?
they lack a nucleus
they lack a cell wall
they lack ribosomes
they lack chloroplasts
ANSWER FAST WILL GIVE BRAINLIEST!!! I NEED IT RIGHT NOWWWWWW!

The likelihood that the individual inherited the disorder can be determined by using a Punnett square.

In this case, one parent is normal (homozygous dominant) while the other parent is heterozygous for the autosomal dominant disorder. The dominant allele will always express its trait over the recessive allele. Therefore, the Punnett square will result in half of the offspring being heterozygous for the disorder, while the other half is normal. Therefore, the answer is B. 1/2 (50%). This means that the individual has a 50% chance of inheriting the disorder and a 50% chance of being normal. It's important to note that being heterozygous for the disorder means that the individual carries one copy of the dominant allele but does not express the disorder since the normal allele is also present.

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Influenza and rabies are both caused by RNA viruses, while AIDS is caused by a retrovirus, which is also an RNA virus but with a unique replication strategy involving the reverse transcription of RNA into DNA.

RNA viruses are those that use RNA as their genetic material, which is converted into proteins by the host cell machinery to produce new virus particles. Influenza is caused by an RNA virus from the family Orthomyxoviridae, while rabies is caused by a single-stranded RNA virus from the family Rhabdoviridae.

AIDS, on the other hand, is caused by the human immunodeficiency virus (HIV), which is a retrovirus that contains RNA as its genetic material. HIV replicates by reverse transcribing its RNA into DNA using the enzyme reverse transcriptase, which is then integrated into the host cell genome, leading to the progressive destruction of immune system cells.

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Full Question: AIDS, influenza and rabies are all diseases caused by ______ viruses.

Answer:

they both have dna and other stuff

Explanation:

yea

The correct statement regarding logistic growth is Population growth is zero when (\(K_N\))/K is equal to zero, option (c) is correct.

Logistic growth describes a population's growth pattern when it approaches its carrying capacity (K), the maximum number of individuals an environment can sustainably support. The term (\(K_N\))/K represents the population size (N) relative to the carrying capacity. When (\(K_N\))/K is zero, it means the population size is at its maximum capacity (N = K), resulting in zero population growth.

Logistic growth can occur even with a single limiting factor, as long as the population responds to it. Population growth is highest when the population size is close to half the carrying capacity. (\(K_N\))/K can take values other than zero depending on the population size relative to the carrying capacity, option (c) is correct.

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When you add A antibodies to the unknown blood sample, it clumps, but when you add B antibodies, it does not clump. This indicates that the blood sample must be Type A, as it reacts with A antibodies and not B antibodies.

The type of blood present in the unknown sample can be determined based on the clumping reaction with the antibodies. If the sample clumped with the a antibodies, it means that the blood contains the antigen that reacts with those antibodies. If the sample did not clump with the b antibodies, it means that the blood does not contain the antigen that reacts with those antibodies. Therefore, based on this information, the blood type present in the unknown sample can be determined.

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Answer:

The tropospheric temperature only decreases from an average of 0°C (32°F) at sea level to about −45°C (−49°F) at the tropopause. At the equator, tropospheric temperatures decrease from an average of 20°C (68°F) at sea level to about −70°C to −75°C (−94 to −103°F) at the tropopause.

To write an inclusive hypothesis from investigation, it should be structured with Mechanism of Evolution, Hypothesis and Data.

Mechanism of Evolution

The mechanism of evolution that I think caused the increase in FQ resistance is natural selection. Natural selection is the process by which organisms that are better adapted to their environment are more likely to survive and reproduce. In this case, the bacteria that are resistant to FQ are more likely to survive and reproduce because they are not killed by the drug. This means that the population of bacteria will become more resistant to FQ over time.

Hypothesis

My hypothesis is that the increase in FQ resistance in the bacteria on the farm is due to natural selection. I believe that this is because the bacteria that are resistant to FQ are more likely to survive and reproduce, which means that the population of bacteria will become more resistant to FQ over time.

Data

The new data supports my hypothesis because it shows that the number of bacteria that are resistant to FQ has increased. The data also shows that the bacteria that are resistant to FQ are more likely to be found in the environment where the FQ is being used. This suggests that the bacteria are evolving to become resistant to the FQ.

How to Include the Data

You can include the data in your hypothesis by stating that the increase in FQ resistance is due to the fact that the bacteria that are resistant to FQ are more likely to survive and reproduce. You can also include the data by showing a graph of the number of bacteria that are resistant to FQ over time.

This is an example of how to include the data in the hypothesis:

I hypothesize that the increase in FQ resistance in the bacteria on the farm is due to natural selection. This is because the bacteria that are resistant to FQ are more likely to survive and reproduce, which means that the population of bacteria will become more resistant to FQ over time. The data supports this hypothesis because it shows that the number of bacteria that are resistant to FQ has increased. The data also shows that the bacteria that are resistant to FQ are more likely to be found in the environment where the FQ is being used. This suggests that the bacteria are evolving to become resistant to the FQ.

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The hormone calcitonin lowers blood calcium and phosphate ion concentrations by inhibiting osteoclasts, which are the bone-resorbing cells.

Calcitonin is a hormone that plays a crucial role in regulating calcium and phosphate levels in the body.

One of its primary functions is inhibiting the activity of osteoclasts, which are specialized cells responsible for bone resorption.

When calcitonin is released, it binds to receptors on osteoclasts, effectively suppressing their activity.

This inhibition of osteoclast function prevents excessive breakdown of bone tissue and helps maintain appropriate levels of calcium and phosphate in the blood.

By inhibiting osteoclasts, calcitonin reduces the release of calcium and phosphate from the bones into the bloodstream.

This action promotes the deposition of calcium and phosphate in the bones, leading to increased bone mineral density.

As a result, the blood calcium and phosphate ion concentrations are lowered, restoring the balance in the body.

Overall, the inhibitory effect of calcitonin on osteoclasts helps regulate bone remodeling, prevents excessive bone resorption, and contributes to the maintenance of proper mineral homeostasis in the body.

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Answer:

I'd assume constant rain and erosion

Explanation:

Answer:

Change

Explanation:

Answer:

Early Cells Lab

Step by step

1. How much did the egg change in size? (answer should be in centimeter)

2. Was your hypothesis correct? Why or why not

Safety Notes

1.Wash your hands carefully after each time you touch the egg.

2.Be sure that you have permission and supervision from a guardian before completing this lab activity.

3.The egg and vinegar are safe for kitchen drains, but check with a guardian for the preferred method of disposal in your kitchen.

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Explanation:

Answer:

The intertidal zone or area is defined as the area where the ocean and land meets between high and low tides.

Many of the organisms live in intertidal areas while fewer organisms live on high rocky shores because of the adaptation ability of the organisms.The probable reasons for this can be:

Example of animals living in intertidal zones are brittle stars,  barnacles, crabs and other.

Example of animals living in rocky shores are sponges, mussels and sea squirts et-cetra.

Hence, the animals evolve some adaptive feature that allow them to migrate to rocky shores.

Answer:

the inhibitor will be connected to site Z and it'll separate

The most likely consequence of a mutation that renders dopa decarboxylase inactive is that dopamine would not be synthesized. Dopa decarboxylase is an enzyme that converts the amino acid L-dopa to dopamine. Without this enzyme, L-dopa cannot be converted into dopamine.

Dopamine is an important neurotransmitter involved in various physiological processes in the brain. It plays a crucial role in mood regulation, movement coordination, and reward processing. If dopa decarboxylase is inactive due to a mutation, the conversion of L-dopa to dopamine would be disrupted.

As a result, dopamine would not be produced. This would lead to a deficiency of dopamine in the brain, affecting the normal functioning of the dopaminergic system. Without dopamine, certain neurological processes would be impaired, potentially leading to a range of symptoms depending on the specific area of the brain affected.

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Bioarchaeologists use a variety of methods to estimate the age at death of a mature human skeleton (>30 years old). One of the most common methods is to examine changes in the teeth and the pubic symphysis, which are two areas of the body that continue to change throughout adulthood.

Tooth wear, loss, and the formation of dentin layers can all provide clues to a person's age at death. Changes in the pubic symphysis, such as the presence or absence of ossification and the degree of surface texture, can also be used to estimate age. Other methods include the examination of bone density, joint degeneration, and cranial suture closure.

Additionally, bioarchaeologists may use historical records or isotopic analysis to confirm or refine their estimates. Overall, a combination of these methods can be used to determine the age at death of a mature human skeleton with a reasonable degree of accuracy.

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At 0 enzyme concentration was starch hydrolyzed the fastest.

The proteins that act as biological catalysts are known as enzymes. Which supports chemical reactions.

The white colored organic chemical produced by all plants is known as Starch.

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The amylase enzyme is the one that breaks down starch the fastest. The starch is broken down by this enzyme until only sugar is left.

Hydrolysis of Starch

A condensation polymer created from glucose monomer units is starch. These big starch molecules break down into smaller sugar molecules when they interact with water. The hydrolysis of the starch is claimed.

The most frequent byproducts of starch hydrolysis can be maltodextrins, glucose, fructose, or maltose depending on the mode of action of the enzyme.

Rice, potatoes, and bread all contain starch. We have the essential digestive enzymes, so our body can hydrolyze starches to digest them. The starch is broken down into its constituent alpha glucose molecules when water is added, providing energy.

The enzyme amylase breaks down (hydrolyzes) the lengthy carbohydrate starch. The end products are maltose and glucose monosaccharides (a disaccharide).

A sample of starch will hydrolyze into shorter polysaccharides, dextrins, maltose, and glucose in the presence of amylase. The amount of hydrolysis depends on how long the reaction is allowed to run; if the starch is entirely hydrolyzed, glucose is the end product.

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Answer:

D

Explanation:

The phenotypic ratio of blue to red flower is 4:4.

88÷80×4= 4:4

Answer:

It's important because a “shared measurement system” is one of the five conditions that Kania and Kramer7 conclude—in their synthesis of effective means of achieving “collective impact”—are necessary for large-scale social change.

The other four are the following: a common agenda, mutually reinforcing activities, continuous communication, and backbone support organizations—all of which rely to some extent at least on a shared measurement system.

hope this helps

Answer:

Ecosystem boundaries are zones of transitions between two adjacent habitats. ... Adjacent ecosystems are connected via flows of energy, material, and organisms across ecosystem boundaries, and these flows can exert strong influences on the fertility and productivity of ecosystems.

Answer:

yes

Explanation:

brainliest ???

Answer:

true

Explanation:

all living organisms need at least one cell to surivive

Answer:

relaxes

Explanation:

when we lift our arm, muscle on the one side of the arm contracts while other side's muscle relaxes

Answer:

The right approach is "Genes".

Explanation:

Answer:

0.1

Explanation:

To calculate this, scientists use a formula called the biodiversity index in order to describe how much are the species of a given area diverse. It is calculated by taking the number of species in the area and divided by the total number of individuals in that area. This gives us the biodiversity index.

In this example, there are 15 species in an area and we divide that by 150 organisms to get a 0.1 biodiversity index.

Biodiversity Index is used to measure the biodiversity of an ecosystem. The biodiversity index of the given ecosystem is 0.1.

Biodiversity Index:

It is a measure of species diversity in the particular area. This can be calculated by sing the formula,

\(\bold{I_b_d = \frac{nS}{nO} }\)

Where,

nS - number of species = 15

nO - total number of organisms = 150

Put the values in the formula,

\(\bold{I_b_d = \frac{15}{150} }\\\\\bold{I_b_d =0.1}\)

Therefore, the biodiversity index of the given ecosystem is 0.1.

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The statement is true. The parietal and visceral pleurae are actually two parts of a single, continuous membrane.

The two layers of the pleura, namely parietal pleura and visceral pleura, are different components of the same, unbroken membrane. The pleural cavity is the space between the two-layered pleura that surrounds the lungs, as well as the lining of the chest wall. The pleura is divided into two parts. The parietal pleura and the visceral pleura are the two layers of the pleura.

The parietal pleura is the outermost layer that adheres to the chest wall and diaphragm, while the visceral pleura is the innermost layer that adheres to the lungs. Both pleural layers are actually two parts of a single, unbroken membrane that folds back on itself at the lung's roots to encase the lung. The pleural cavity, which is situated between the pleura layers, contains a small quantity of serous fluid, which serves as a lubricant between the lungs and the chest wall.

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In flower arranging, the holder of flower stems is called a floral foam or oasis.

Floral foam is an absorbent foam material used to arrange fresh flowers. Floral foam acts as a reservoir for water, and it is helpful in maintaining flowers hydrated for an extended period of time. Floral foam is inserted into a vase or floral holder to keep the flowers in place and allows them to receive water. When arranging flowers with oasis, it is essential to cut the stems on a diagonal to help flowers absorb the water more efficiently. Floral foam comes in different shapes and sizes and it is ideal for creating intricate floral arrangements. It is also perfect for arranging flowers in floral foam wreaths, balls, and other shapes. Floral foam is also available in various colors, including green, yellow, and pink.

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