The​ half-life of​ carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree shows only ​% of the​ carbon-14 expected in living​ matter, when did the tree​ die?.

Answer: well kansas was covered in water

Explanation: maybe that can help you a little bit i have the same question.

Answer:

B. Less carbon is available for long-term storage in the ground.

Explanation:

because then the carbon stays in the ground

Answer:

B. Less carbon is available for long-term storage in the ground.

Explanation:

If plants do not remove carbon from the air, it stays in the air and does not end up as fossilized carbon in the ground.

Color blindness is inherited as a sex-linked recessive disease. A Punnett square is a diagram that is used to predict the possible genotypes and phenotypes of the offspring of two parents. A Punnett square shows the possible gene combinations in the offspring resulting from the crossing of two individuals.

In this scenario, an affected male marries a heterozygous female.The genotypic and phenotypic ratios can be determined by using a Punnett square. The genotypic ratio refers to the ratio of the genotypes that are expected to occur in the offspring, while the phenotypic ratio refers to the ratio of the phenotypes that are expected to occur in the offspring.


When an affected male marries a heterozygous female, a Punnett square is used to determine the possible offspring. To determine the possible offspring, the alleles of each parent are placed on the top and side of the Punnett square. The possible combinations of the alleles are then placed in the boxes below.

The offspring's genotype can be determined by looking at the boxes below. The offspring's phenotype can be determined by looking at the Punnett square.

The genotypic ratio for the offspring is 1:1, meaning that there is a 50% chance that the offspring will inherit the recessive allele. The phenotypic ratio is also 1:1. There is a 50% chance that the offspring will inherit the recessive allele and will be affected by color blindness. The chance that they will have an affected child is 50%. Any of their daughters can be affected, but all of their sons will be unaffected.

In summary, when an affected male marries a heterozygous female, the genotypic and phenotypic ratios of their offspring can be determined by using a Punnett square. The genotypic ratio for the offspring is 1:1, while the phenotypic ratio is also 1:1. There is a 50% chance that they will have an affected child. Any of their daughters can be affected, but all of their sons will be unaffected.

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The investigation is designed to answer whether the plant requires the gaseous exchange to perform photosynthesis and if respiration occurs in the plants.

Plants produce oxygen and carbohydrates using carbon dioxide, and water and using energy from sunlight captured by the chlorophyll through the process of photosynthesis.

The plant inside the plastic bag will show chlorosis and necrosis in plant tissue and will die eventually due to the depletion of carbohydrates since the plant requires carbon dioxide to perform photosynthesis.

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Explanation:

roots absorbes water and transfers it to leaf

2.because roots absorb water and minerals for plant and if they are cut out then they won't be able to absorbe water and minerals for their survival.so they die

Figure 1 is a graph that illustrates the relationship between two variables in a system, as indicated by the direction and shape of the plotted line.

The graph may be used to identify the correlation between variables, the rate of change, and the characteristics of a system.The horizontal axis, or x-axis, is the independent variable, while the vertical axis, or y-axis, is the dependent variable. As the independent variable changes, the dependent variable is affected and changes in a predictable manner. The slope of the line shows the direction and steepness of the relationship between the two variables.

A positive slope indicates that as the independent variable increases, the dependent variable also increases. A negative slope indicates that as the independent variable increases, the dependent variable decreases. A slope of zero indicates that there is no relationship between the two variables.

The shape of the line, whether linear or nonlinear, indicates the rate of change between the two variables. Nonlinear relationships may be curved, such as exponential, logarithmic, or polynomial functions, or they may be stepwise, as in a staircase function. Linear relationships, on the other hand, are typically straight lines with a constant slope.

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Answer:

kinda blurry so I hope I answered everything correctly!

A. The Linear equation would be x + y = 50

B. Ted spends 35 minutes practicing the breaststroke every day.

Ted spends 50 minutes every day swimming so x +y = 50 (let us say x is butterfly stroke and y is breaststroke). Since he practices the breaststroke for 20 more minutes than the butterfly stroke we have:

2x + 20 = 50

2x = 50 - 20

2x = 30

x  =30 / 2

x  = 15

y = 15 + 20  =35 minutes

C. No, it is not possible for Ted to have spent 45 minutes practicing the butterfly stroke every day because of the time constraint.

Answer:

carrying capacity is the total frequency of individuals within a community a habitat can sustain

while

limiting factors are biotic or abiotic factors which limits the carrying capacity

The correct example of quaternary protein structure is four globular subunits joining together to form functional hemoglobin, option (d) is correct.

Hemoglobin, a protein present in red blood cells, plays a crucial role in transporting oxygen throughout the body. Its structure comprises four subunits, each housing a heme group that facilitates oxygen binding. These subunits come together through various interactions, including hydrophobic interactions, hydrogen bonding, and sometimes disulfide bonds, to form a functional hemoglobin molecule.

This quaternary structure is crucial for hemoglobin's ability to efficiently transport oxygen. Each subunit contributes to the overall structure and function of the hemoglobin molecule, and any disruption in the quaternary structure can lead to functional abnormalities, such as sickle cell anemia, option (d) is correct.

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The complete question is:

Which of the following is a good example of quaternary protein structure?

a. As spider silk is produced, beta-strands form to give it great strength and elasticity

b. Four globular subunits join together to form functional hemoglobin

c. Antibodies are globular proteins that fold on themselves because of hydrogen bonding.

d. The fibrillar collagen molecules often have repeating amino acid sequences that include many glycines and prolines.

Orographic lifting is related to mountain barriers, and it is often associated with desert conditions on the leeward side of the mountains and excessive rainfall on the windward side.

When air masses have been forced to flow over high topography, the orographic effect occurs. Cooling occurs as air rises placed above a white mountains, and water vapour condenses. As a result, rain is commonly concentrated here on windward side of mountains and increases with elevation in the path of storm tracks.

Whenever an air mass is compelled to rise from a low elevation as it moves placed above a white rising terrain. As the air mass ascends, it rapidly cools adiabatically, raising the relative humidity to 100% and causing clouds as well as, under the right circumstances, precipitation.

Identical to orographic, when air is forced to rise as well as cool due to landscape features such as hills or mountains, this is referred to as lifting. Water vapour condenses into clouds if the temperature is low enough. Rain or snow provide additional cooling.

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Answer:

i think it is a hydrocarbon

Answer:

Alkanes or saturated hydrocarbons

Mendel's five-part hypothesis, sometimes referred to as Mendel's principles of inheritance is a scientific explanation for how traits in living things are handed down from one generation to the next. It is mostly based on Mendel's observations and research on pea plants.

The dominance principle: Mendel noticed that although certain qualities (now known as recessive) were not expressed in the offspring, others (now known as dominant) were.

Mendel discovered that distinct features' determining factors now known as genes—separate during the development of reproductive cells (gametes) and reunite during fertilization. This is known as the concept of segregation.

Mendel discovered that the inheritance of one feature has no bearing on the inheritance of another, which is known as the independent assortment principle. Mendel discovered that when breeding true-breeding (homozygous) individuals, certain qualities remain constant while others change, and when breeding hybrid (heterozygous) people, other traits do not.

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Answer: C. The mother gave the dominant allele to their child.

Answer:

D is the right answer ....

Answer:

d

Explanation:

Answer:

B. Is what the scientists manipulate in the experiment.

Explanation:

The Independent variable is not dependent, or doesn't rely, on another variable in the experiment. So, it would make the most sense that they would manipulate the Independent so that they can watch and see how the dependent variable reacts to the manipulation, or the change, in the independent variable.

Answer:  A convection current is a process that involves the movement of energy from one place to another. It is also called convection heat transfer.

Answer:

It will move to a warmer spot.

Explanation:

An ectothermic animal, also known as a "cold-blooded" animal, is one that cannot regulate its body temperature, so its body temperature varies depending on the environment.

Many ectotherms live in environments that require little regulation, such as the ocean because the ambient temperature tends to stay the same.

Simple Sugar: Simple Sugar is not really actual sugar that's white. Simple sugar is things that have a little bit of sugar in them natural. For example fruit is a simple sugar, you dont have to add sugar to a fruit it natural comes with a sugar taste. A cereal like ( Rice Crispy) they are plain but are a simple sugar product, they dont need sugar to be added, there sugar that comes naturally is not to sweet and not to plain.

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The velocity of hexokinase as a percentage of Vmax under these conditions is 99.3% of its maximum rate. 

To calculate the percentage of hexokinase as a percentage of Vmax, we need to know the substrate concentration (glucose) and the kinetic parameters of the enzyme. In this case, we are given a postprandial concentration of glucose in the hepatocytes, approximately 12 mm

The hexokinase rate can be calculated using the following equation:

V0 = (Vmax [S]) / (Km + [S])

Using this assumption and integrating the values ​​we have, we can calculate the rate of the hexokinase:

V = (Vmax x 12 mM) / (0.1 mM + 12 mM)

V = 0.923 Vmax

Speed ​​in percent Vmax = (0.923Vmax / Vmax) x 100D44 Speed ​​in percent Vmax = 99.3D

Thus, under these conditions, the hexokinase ratio was approximately 99.3% of its maximum rate. 

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Complete question

The first enzyme in a cell that uses glucose as a substrate is hexokinase, with a Km for glucose of about 10 mm's

Immediately after a meal, the concentration of glucose in liver cells is approximately 12 mM. What is the velocity of hexokinase as a percentage of Vmax under these conditions?

Answer: A

Explanation: hope this is helpful :)

Answer:mrna Serves as intermediary between DNA and protein; used by ribosome to direct synthesis of protein it encodes

Trna Carries the correct amino acid to the site of protein synthesis in the ribosome

Explanation:

Napoleon was a well-known military leader who was incredibly charming, bold, and ambitious. This mindset and military strategies worked together to help him advance through the rise so swiftly.

Because of Napoleon extreme desire, his military victories aided him in gaining power. He approved the Napoleonic Code, instituted policies to stimulate the economy, and established a public school system. He began to wage wars against his neighbors in an effort to subjugate them and modernize Europe. He uses the dogs to chase Snowball, his main rival, off the property. Napoleon used a range of tactics to keep his power and influence.

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Napoleon was a well-known military leader who was incredibly charismatic, bold, and ambitious. This mindset, coupled with his brash manner and cunning yet unconventional military strategies, let him to advance through the ranks so swiftly and finally become Emperor of France in 1804.

Additionally, Napoleon was able to establish some political ties, in part because to his siblings and later his wife. Napoleon had much less command and combat experience when appointed to the Army of Italy than his immediate subordinate divisions commanders, who had stronger cases for leading the army in terms of strict merit, and he actually owed much of his rapid rise to the command of the Army of Italy to these political connections rather than ability.

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Answer:

If the parent reproduces sexually, it's offspring will inherit exactly half of it's DNA. The other half is inherited from the other parent. If the parent reproduces asexually, it's offspring will be a clone (i.e. have the same DNA).

Explanation:

The process of respiration can be divided into the cellular view to the general (cellular respiration to external respiration). Going from the cellular till the external we have:

1- Cellular respiration

Is the aerobic process by which living cells break down glucose molecules to form energy in the from of ATP, that can be divided in three stages, these are: glycolisis (break of glucose into pyruvate), Citric Acid Cycle (Krebs Cycle), and electron transport chain. In this respiration the cell machinery is responsible for from glucose and oxygen form water and carbon dioxide. All the process is intracellular.

2- Internal respiration

The internal respiration is the process of the exchange of gases between the cells and the tissues (internal environment of the body) by the blood vessels and the circulation od red blood cells that carry these gases (oxygen and carbon dioxide). The path of this process is: nose/mouth, pharynx, larynx, and trachea will have the cells oxigenated, the trachea branches and the bronchi will lead to the lungs when the gases exchanges in the tissue will happen. The red blood cells will do the local capture of the gases and the circulatory system will make those cells go to all the tissues in the body.

3- External respiration

The external respiration is the exchange of gases with the external environment. That process occurs in the lungs where the oxygen diffuses into the blood and carbon dioxide into the alveolar air. The internal and external respiration work together in the overall respiratory process, but one happen in the tissues and the other between external environments.

4- How they work together?

The three process are essential for breathing, that's because they work into different levels of tissue and systemic organization. The cellular is the one in the cells that provide the biochemical reactions necessary to the synthesis and conversion of molecules, being the metabolic basis for the respiration to take place, the internal respiration is responsible to distribute the gases into the tissues to make the cellular step possible, while the external respiration makes possible the exchange outside the tissues levels and makes possible to balance the distribution and concentration of the gases in the body.

Answer:

Mosquito fish.

Explanation:

Another ecologically friendly methods such as mosquito fish is also used for controlling mosquito​ populations. Mosquito lays egg in the ponds so these mosquito fish feeds on the larvae of mosquito and remove or reduce the population of larvae so very less number of larvae change into adult so this method is also a very good method for controlling of mosquito and no bad effect on the environment.