Muscle fibers contain which of the following?

Sarcolemma
Sarcoplasm
Multi-nuclei
*All of the above (correct)

Answer

Explanation

True

Answer: Layer D has the oldest fossils..

Explanation: The oldest layers are on the bottom, and the youngest layers are on the top. This makes sense because it takes a long time for fossils to form and over time more and more layers would continue to pile up.

Hope this helps :)

Answer:

The answer is layer d

Explanation:

The newest layers would be less sunk in, and the older layers would be sunken

Answer:   Typhoid fever is a life-threatening infection caused by the bacterium Salmonella Typhi. It is usually spread through contaminated food or water. Symptoms include prolonged fever, fatigue, headache, nausea, abdominal pain, and constipation or diarrhoea.

Explanation:

Answer:

needed for respiration for active transport

Explanation:

oxygen is needed for respiration which provides energy for active transport of the ions into the plant.

active transport is needed to move the ions into the plant as there are higher levels of concentration already in the cell sap.

hope this helps :)

Hoagland found that some ions were absorbed only if oxygen was bubbled through the pond water needed for respiration for active transport.

Oxygen has been needed for respiration which provides energy for active transport of the ions into the plant and active transport has needed to move the ions into the plant as there are higher levels of concentration already in the cell sap.

During aerobic cellular respiration, glucose reacts with oxygen, forming ATP ( Adenosine triphosphate) that can be used by the cell. Carbon dioxide and water are created as byproducts. The overall equation for aerobic cellular respiration is in cellular respiration, glucose and oxygen react to form ATP ( Adenosine triphosphate).

Adenosine triphosphate has an organic compound which gives energy to living organisms to drive many operations in living cells. such as muscle contraction, muscle pumps, nerve impulse propagation, condensate dissolution, and chemical synthesis.

Therefore, Hoagland found that some ions were absorbed only if oxygen was bubbled through the pond water needed for respiration for active transport.

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The diagrams to answer the question are missing. However, an original set of homologous chromosomes and their sister chromatids should look like a column of one color for the homologous and another column of the same color but join with the original column by the centromere for the sister chromatid.

A chromosome is a molecule of DNA; it stores and transmits genetic information. Chromosomes have different parts and structures.

A homologous chromosome is:

A sister chromatid is:

In conclusion, an original set of homologous chromosomes and their sister chromatids will look like the one shown in the image. Two lines of a different color for the homologous chromosome and "X" of the same color for the sister chromatid, since it is a chromosome that it replicated itself and is joined to the original one by the centromere.

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Supporting evidence came from paleontology: the fossils of some dinosaur and other reptile species, such as the freshwater swimming reptile the Mesosaurus, are found on both sides of the southern Atlantic Ocean, but nowhere else in the world. Also if you want there is evidence that climate change was also a part of the continental drift since Antarctica was connected with the rest of the continentes, since Antarctica has ice they melted and slowly moved apart. Behind all of this is plate tectonics since they are underneath all of this which helped move the continents. By convection currents how Heat rising and falling inside the mantle creates convection currents generated by radioactive decay in the core. The convection currents move the plates. Where convection currents diverge near the Earth’s crust, plates move apart. Where convection currents converge, plates move towards each other. But this is mostly with boundaries.

In 3–5 sentences the fossil evidence Wegener used to support the theories of continental drift and plate tectonics is described below

The continental drift hypothesis of whener was based on a number of observations and fossil records is one of them. Wegener found that fossils of a reptile named Mesosaurus can be found in Africa, South America despite vast distance between them by grand ocean of Atlantic.

Similarly fossils of a tree leaves called Glossopteris were found in India, Antarctica, Southern America and Africa. So the evidence suggested that in geological history all these land massed were connected and joined as one landmass.

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Answer:

You are C. The ribosomes

Answer:

im 100% sure its ribosomes

Explanation:

Answer: Anticodon

A charged tRNA with the Anticodon that is complementary to the codon in the A site enters and binds to the A site.

Answer:

In any trisomy disorder, a patient inherits 3 copies of a chromosome instead of the normal pair. This violates the Law of Segregation, and usually occurs when the chromosomes fail to separate during the first round of meiosis. A heterozygous pea plant produces violet flowers and yellow, round seeds.

Explanation:

Given what we know about embryological development, we can confirm that the option that is matched correctly with its trimester is the first trimester—tissues and organs form; amniotic sac forms; neurulation occurs.

The first trimester is one of the busiest for a fetus. During this trimester:

and so much more that is not mentioned in the question.

The formation of the amniotic sac is the earliest of the major events listed. This sac serves as the aquatic medium in which the fetus will find itself during the next 9 months.

Neurulation is the name given to a very complex set of processes that lead to the creation of the neural tube and then the brain. Then, finally, the tissues and organs finish forming into their embryonic stages.

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Answer: First trimester—tissues and organs form; amniotic sac forms; neurulation occurs

Explanation: Just got it right on the test. The answer is A for me. and the person above helped me!! :)

Answer:

See below:

Explanation:

The Earth is in terrible condition. Because of the pollution that humans have created, Earth is very damaged and unhealthy. To care for Earth is a blanket term referring to being cautious and aware of your impact to Earth and it's condition. Caring for Earth could be making sure never to litter, recycling as often as possible, or even doing things like signing up to online newspapers or letters to avoid paper consumption.

Answer:

lose Answer

Please mark as brain list

Answer:

All organisms have one common ancestor in the past and gorillas share an extinct ancestor with bonobos. sorry for the misunderstading earlier

Explanation:

Answer:

.... Bro go to hospital. Like right now and make sure you won't overdose.

Explanation:

Don't die.

Answer:

The conditions to maintain the Hardy-Weinberg equilibrium are: no mutation, no gene flow, large population size, random mating, and no natural selection. The Hardy-Weinberg equilibrium can be disrupted by deviations from any of its five main underlying conditions.

Hope that help

Explanation:

For the principle of Hardy Weinberg where the principle is saying that the genetic variations remain constant until any disturbing factors come up. The conditions are like no gene flow, natural selection and many more.

The theory of fittest says that the species that are able to adapt the variations and able to adapt to the changes that are  taking place in nature are selected by nature for the survival and are fit to live.

The conditions are necessary for hardy–Weinberg equilibrium, and conditions lead to evolution are as following :

The species should not have the mutations that the species should have the same copy of the genome with no change in the genome.  

Random mating that is the individuals that are selected by the nature or who randomly mate make no change in the nature.

The population size should be bigger that is the individuals should be bigger in size and the change thus is small in size.

No selection

No gene flow are the various conditions that need to be followed in order to maintain the equilibrium as per the law.

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Answer:

this indicates that a note is in the cell

Answer:

A red triangle in the upper-right corner of a cell indicates that a note is in the cell. If you rest the mouse pointer over the triangle, you can view the text of the note.

Explanation:

Answer:

Staphylococcus aureus is present in the nose (usually temporarily) of about 30% of healthy adults and on the skin of about 20%. The percentages are higher for people who are patients in a hospital or who work there.

Explanation:

The double helix model of DNA explained Chargaff's rules because adenine and thymine are found in one strand of the double helix and guanine and cytosine are found in the other strand. Therefore, the correct option is C.

Since adenine (A) always associates with thymine (T) and guanine (G) always associates with cytosine (C), the double helix model of DNA provided an explanation for Chargaff's rules. This complimentary base pairing allows the two strands of the DNA double helix to fit together. According to Chargaff's criterion, DNA contains an equal number of A and T as well as G and C atoms.

The DNA molecule can be stabilized by hydrogen bonds formed between A–T and G–C base pairs, as shown by the double helix structure. Given that A and T are located in one strand of the double helix and G and C are found in the other, the double helix model of DNA provides a structural basis for understanding why Chargaff's rules are valid.

Therefore, the correct option is C.

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We can justify using the disappearance of oxygen from the solution as a measure of electron transport due to the fact that oxygen is consumed during the process and is essential.

The electron transport chain is a complicated series of processes that take place within the mitochondria of a cell. This chain assists in the production of ATP which drives most of the functions of cells. The electron transport chain consists of various redox reactions between electron donors and receivers.

The role of oxygen in the electron transport chain is to act as the final receiver of electrons. Therefore, not only is oxygen consumed during this process, but it is also among the last steps, which allows us not only to measure that the electron transport chain had commenced, but also that it has proceeded correctly. We can do this based on the rate of disappearance of oxygen.

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Answer:

Draw circles showing the cells making endospores

Answer:

Plants take up the water that they need from the soil through their roots. Carbon dioxide is a gas found in the air; plants can take in this gas through tiny holes in their leaves. Once they have water and carbon dioxide, they can use energy from sunlight to make their food.

Explanation:

Answer:

Small intestine

Answer:

intestine

Explanation:

food passes through

Answer:

Competition is when you compete

Explanation:

Answer:

Flying birds need a lot of energy to power their flight, so they tend to eat more. Flight muscles consume a lot of energy to propel the bird in air

Explanation:

Answer:

Economic impacts associated with agriculture in the United States appear to be positive overall, with estimates ranging from an annual loss of $0.25 billion to a gain of about $5 billion, depending on the climate scenario used, with consumers generally gaining from the increased productivity and producers generally

Explanation:

Answer:

False

Explanation: is correct

Answer:

arteries

arterioles

capillaries

veins