What happens in the netlike structure labeled B in the diagram?
(A) Carbon dioxide and oxygen diffuse into the blood
(B) Nitrogen and oxygen are exchanged,
(C) Carbon dioxide and oxygen are exchanged,
(D) Nitrogen and carbon dioxide remain constant,

Answer:

Nerve cells and chemical messengers there need it to help them process information so basically without it your brain wouldn't be able to work well

Explanation:

Most humans require a supply of glucose because Nerve cells and chemical messengers they need it to help them process information. Without it, your brain wouldn't be able to work well.

Why do we need glucose everyday?

Glucose provides energy for physiological processes such as respiration, heart rhythm and the regulation of body temperature.

Why is glucose required in the cell?

Glucose provides quick energy for cells. Fat has more energy than glucose, but it requires some chemical conversions before we can get it into the process of cellular respiration, so it takes longer to use.

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After an episode of forest fire, the first type of organism likely to be found living in the center of the burned area would be grasses.

It is the gradual change to the community of plants and animals in an ecosystem until a stable community is reached.

Succession can be primary or secondary. Primary succession happens on newly colonized bare grounds of stones while secondary succession happens in an existing community after a period of disturbance such as wildfire.

A forest ravaged by fire will have all the animals dead or away for safety reasons. These animals may not come back until regrowth has reached a certain level.

However, propagules of grasses are often fire-resistant and even get stimulated by fire in most cases. Thus, the first type of organism to be found living in the burned area could be grasses.

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Answer:

The reason why that pushing something on a cart is easier than pushing it around without a cart is very simple actually. Pushing something on a cart is much easier because there is a much smaller act of friction. This results in a smaller strain on the body.

Explanation:

There isn't really a need for an explanation because it's that simple. I don't blame you for not knowing it though. People don't know everything.

Explanation:

No because a speech has to be a meaningful speech

Answer:

A persistent organic pollutant

Explanation:

POPs (Persistent organic pollutants) is what how we name the organic compounds that are resistant to the environmental degradation through biological, chemical, and photolytic processes. Some organic pesticides are the most widespread Persistent organic pollutants used in agriculture worldwide.

Answer:When biomass is harvested and processed, scientists can break down and convert the plant cells into renewable fuels or chemicals.

Explanation:

Explanation

~ Cliché as it may sound, leaves falling from a tree is caused by the gravity of the Earth.

~ Gravity is one of the reason and the driving force that made the universe possible. It is the entity that enables the sun to hold planets together in the solar system; the reason why Earth is revolving around the sun just like the moon orbiting the Earth.

~ Gravity has to do with everything on Earth -- leaf falling from the tree, ball bouncing up and down, ocean waves, and stalactites facing downwards.

Picture showing the gravitational relationship of Moon and Earth.

Answer:

Cytoplasm

Explanation:

In eukaryotes, there is a definite nucleus where the ribosome and mRNA production takes place. The ribosomes and mRNA come out of the nucleus into the cytoplasm where the ribosomes work upon and catalyze the formation of proteins. Meaning that in eukaryotic cell, ribosomes make proteins in the cytoplasm.

Explanation:

Ribosome existed in the rough endoplasmic reticulum and existed freely in cytoplasm

Answer: Seasons have an enormous influence on vegetation and plant growth. Winter typically has cold weather, little daylight, and limited plant growth. In spring, plants sprout, tree leaves unfurl, and flowers blossom. Summer is the warmest time of the year and has the most daylight, so plants grow quickly. In autumn, temperatures drop, and many trees lose their leaves.

Explanation:

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Blood passes from the right ventricle to the Pulmonary valve and then the Pulmonary artery  before reaching the lungs to pick up oxygen

When the blood enters the right ventricle it contracts and sends the blood through the Pulmonary valve before it reaches the Pulmonary artery which is passes the blood to the Lungs where it becomes oxygenated.

Hence we can conclude that Blood passes from the right ventricle to the Pulmonary valve and then the Pulmonary artery  before reaching the lungs to pick up oxygen.

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The statement is False.

As the movies and books only heighten the controversy associated with the disorder.

Dissociative identity disorder is a mental illness in which the person is diagnosed with having two or more different personalities with memory gaps or forgetfulness in between these different personality states.

The disorder is a controversial one, and the movies and books focusing on the disorder have failed to reduce this controversy as these books and movies often associate the disorder with violence and crime and ignore other important aspects of the mental problem.

Hence the movies and books only heighten the controversy associated with the disorder.

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The cytokine describes the group of proteins such as interferons and interleukins that regulate cell communication, mainly produced by the immune system in normal and pathological conditions.

They are messenger molecules with a glycoprotein structure, whose lifetime is short and generally secreted in cascades.

They are produced by different activated cells, responsible for innate and/or acquired immunity, and regulate the immune and inflammatory response.

Therefore, we can conclude that the cytokine describes the group of proteins that regulate cell communication, mainly produced by the immune system in normal and pathological conditions.

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Answer:

I think humans and whales are closely related on the evolutionary tree because they are both mammals and both have endoskeleton

Answer: Each pair of chromosomes consists of two chromosomes that are similar in size and shape. They contain the same genes at the same loci, though they may have different alleles. These pairs of chromosomes are known as homologous chromosomes or homologs.

Explanation:

Answer: (d) viruses

Explanation:

Bacteriophage is a type of virus that infects bacteria.

Answer:

Food chains influeice our lives by avalibility.

Explanation:

Food chains means there are consumers and producers. There are top and bottom of food chains along with inbetween. The lower on the food chain effects the food avalibility because there will be less animals or plants that were consumed by top level on the food chain.  

Assuming complete dominance and following the product probability rule, the probability of obtaining an offspring that is triply dominant AABBCC is 1/32.

We talk about complete dominance when the dominant allele completely masks the recessive allele. It is an inheritance pattern.

This is the case of individuals that are heter0zyg0us for a particular gene and express the dominant phenotype. The dominant allele is hiding the expression of the recessive allele.

Many genes show complete dominance.

In the exposed example, we need to cross AaBbcc x AaBbCc and calculate the probability of getting offspring that is triply dominant. To do it, we will follow the product probability rule.

The product probability rule allows us to calculate the probability of occurrence of event A and event B at the same time.

It is about a joint probability of two or more events that might happen simultaneously, not excluding each other.

This rule is based on the dependence or independence of the events. If two events A and B are independent of each other, the occurrence of one of them does not affect the occurrence of the other one.

For independent events, the rule establishes that, given two different events A and B, the probability of occurrence of both together is

P(A∩B) = P(A) x P(B)

Since these are independent genes, for easier calculations, we can perform crosses that involve each of the genes separately -events-, and then multiply de results according to the genotype we are interested in (AABBCC).

Gene A

Parentals) Aa   x   Aa

Gametes) A   a     A   a

Punnett square)   A      a

                     A    AA    Aa

                     a     Aa    aa

F1)  1/4 AA

     1/2 Aa

     1/4 aa

Gene B

Parentals) Bb   x   Bb

Gametes) B   b     B    b

Punnett square)   B      b

                    B       BB    Bb

                     b       Bb   bb

F1)  1/4 BB

     1/2 Bb

     1/4 bb

Gene C

Parentals) cc   x   Cc

Gametes) c    c     C    c

Punnett square)   C      c

                      c      Cc    cc

                      c      Cc    cc

F1)  1/2 Cc

      1/2 cc

The probability of getting and individual with genotype AABBCC is

P(AABBCC) = P(AA) x P(BB) x P(CC)

P(AABBCC) = 1/4  x 1/4  x 1/2

P(AABBCC) = 1/4  x 1/4  x 1/2

P(AABBCC) = 1/32

The probability of obtaining an offspring that is triply dominant AABBCC is 1/32.

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We can confirm that actions that would not be considered routine after said procedure include all of which are not directed towards the care and recovery of the animal.

Routine practices include caring for the animal as it recovers from the effects of the anesthesia as well as administering fluids to keep it hydrated. Even pain control through the use of pharmaceuticals is considered normal practice, anything that would fall outside of these actions may be considered abnormal practice.

Therefore, we can confirm that actions that would not be considered routine after said procedure include all of which are not directed towards the care and recovery of the animal.

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Explanation:

1. TT_Ho. Bb_He. DD_Ho. Ff_He. tt_Ho. dd_Ho

TT and DD are purebred

Bb and Ff are hybrids

2.YY_Ho yellow. Yy_He yellow. yy_Ho blue

SS_Ho square. Ss_He square. ss_Ho blue

3.Tall = TT or Tt. short = tt

Pink body = PP or Pp. yellow body = pp

4.

Answer:

TRUE

Explanation:

Answer:

-The posterior pituitary does not secrete its hormones but acts as an extension of the hypothalamus, storing those hormones.

-The anterior pituitary secretes its hormones (predominantly tropic hormones).

Explanation:

Answer: A is the answer

Answer:

The marine clamworm, Nereis, is carnivorous therefore its digestive system differs from that of the herbivorous earthworm, Lumbricus. The mouth and jaws are retractable (Figure 8, 9). If the jaws are retracted, cut along the midline of the pharynx and pull the jaws out with a pair of forceps.

Explanation:

hope it helps:>

Answer:

The common things between all species are DNA, RNA, amino acids, and ATP. All living things have the same biochemical building blocks.

It shwos that although we all have similar structures and make-up, who we evolved from counts for who we are. Species come from the same things but differenciate over time due to evolution.

I think that a horse and a donkey would have the fewest differences. I think this because the two species are very similar and amino acids refect the similarities between two species. Both horses and donkeys have a similar structure and make-up, which is determine by amino acid sequences.

Explanation:

Media coverage is used for different blogs, feeds, video content etc. It is the result of the different media technologies.

Like other works, media coverage is also require very hard work and risk accepting skills. Media coverage can have 3 types. They are:

Thus, the given statement is true.

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Answer: true

Explanation:

Birds, like airplanes, must be lightweight as well as powerful. They can fly only because evolution slimmed down their entire anatomy from their reptilian ancestors. Over time, the bones of birds have become lighter and, in the case of many "finger bones," some have disappeared altogether.