A young woman, who was adopted at birth, comes into your office asking you to help her identify her birth father. She already knows that the blood type of her birth mother is A positive. She knows her birth father is one of three men who are willing to help in her search. Your first step is to do a blood test on the daughter. Your results show that she is type AB negative. You make some phone calls and have the three possible fathers come in to give a blood sample. Here are the results:
Man #1 – O negative
Man #2 – B negative
Man #3 – AB positive
From this information, can you conclude who the father is? Is there anyone you can exclude? What tests could you do further to confirm your analysis about who the father is?

Answer:

The experiment mentioned in the question is not fully described, therefore it is difficult to determine the specific flaws and design issues of the experiment. However, here are some general flaws and design issues that could be present in an experiment that tests the efficiency of a primary consumer in converting the mass of a primary producer to its own biomass:

1. Lack of control over variables: If the experiment is not well-controlled, there could be other factors that affect the efficiency of the primary consumer in converting the biomass of the primary producer to its own biomass. For example, the temperature, light, or nutrient availability of the environment could affect the results.

2. Inadequate sample size: If the sample size is too small, the results of the experiment may not be representative of the population as a whole. A larger sample size is generally more reliable.

3. Measurement errors: Errors in measuring the mass of the primary producer and the primary consumer could affect the accuracy of the results. A balance with a low precision could lead to inaccurate measurements.

4. Lack of replication: Replication is important in scientific experiments to ensure that the results are consistent and reliable. If the experiment is not replicated, it may be difficult to determine whether the results are due to chance or a real effect.

5. Limited scope: The experiment described in the question focuses only on a single primary producer and a single primary consumer. In a more comprehensive experiment, multiple primary producers and primary consumers should be included to increase the generalizability of the results.

Overall, to design a good experiment to determine the efficiency of a primary consumer in converting the mass of a primary producer to its own biomass, the experiment should be well-controlled, have an adequate sample size, minimize measurement errors, include replication, and have a comprehensive scope.

Answer: I don’t understand your question

Explanation:

Answer:

The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.

Explanation:

Answer:

8

Explanation:

When atoms have fewer than eight electrons, they tend to react and form more stable compounds.

Photo emissive detection converts light energy into electrical signals using a photo cathode that emits electrons when photons strike it, allowing for light intensity measurement.

Light detection using photo emissive detection involves the conversion of light energy into electrical signals through a photo emissive material. This technique is based on the phenomenon of the photoelectric effect, where photons of light can cause the emission of electrons from a material's surface.

Photo emissive detectors typically consist of a photo cathode made of a material with low work function, such as cesium or potassium compounds. When photons of sufficient energy strike the photo cathode, they transfer their energy to the electrons within the material, causing some electrons to be emitted from the surface.

The emitted electrons are then accelerated towards an anode electrode by an electric field, creating a current flow. This current is directly proportional to the intensity of the incident light, allowing for the measurement of light levels.

To improve the efficiency of the photo emissive detection, a voltage bias can be applied between the photo cathode and the anode. This accelerates the emitted electrons and increases the overall sensitivity of the detector.

Photo emissive detection is commonly used in applications such as photomultiplier tubes (PMTs) and image intensifiers. PMTs are used to detect low levels of light and are widely employed in scientific research, medical imaging, and night vision devices. Image intensifiers amplify incoming light to produce brighter images in night vision goggles and other imaging systems.

In summary, photo emissive detection is a light detection technique that relies on the photoelectric effect to convert light energy into electrical signals. It utilizes a photo cathode, which emits electrons when exposed to photons, and an anode to collect these emitted electrons, resulting in a measurable current.

For more such questions on light energy, click on:

https://brainly.com/question/28892150

#SPJ8

Answer:

The answer is A.

Explanation:

An IP address is a series of four numbers separated by periods.

Answer:

D, When food sources are scarce.

Explanation:

(This part is optional)

Cannibalism usually happens when food sources are scarce. This is because if for example, a lion was hunting for food but (for whatever reason) they ran out of meat. Then, they would probably, like animal nature, want to keep surviving. And if food sources are running out or gone, their only hope is to eat their own kind.

Hope it helped!

Answer: When rocks break in response to stress

Explanation: the resulting break is called a fracture. If rocks on one side of the break shift relative to rocks on the other side, then the fracture is a fault.

Answer:

Fractures are mechanical breaks in rocks; they originate from strains that arise from stress concentrations around flaws, heterogeneities, and physical discontinuities. They form in response to lithostatic, tectonic, and thermal stresses and high fluid pressures.

Answer:

2nd answer bubble. or the letter B

Answer:

Please read this then you will know your excact ans

Answer:

B: Plant pollen is the only one included.

Answer:

d. Nuclear energy is converted to radiant energy

Intestinal crypts increase the surface area of the mucosa of the small intestine and produce new cells for the mucosa of the small intestine.

The correct answer choice is option e.

The intestinal crypts; which is found between the villi of the lining of the intestines. It is the presence of this villi structures in the small intestine which increases the surface area of the mucosa of the small intestine and produce new cells for the mucosa of the small intestine.

The intestinal crypts also helps in repairing and renewing the epithelium of the intestine.

The intestinal villi are structures that are located on the surface of the intestine which will be formed by cells that have absorption capacity, the enterocytes. Within each villus there will be capillaries and a chiliferous vessel that will have the function of increasing the absorption surface of the intestine.

In conclusion, the intestinal crypts increases the surface area of the intestine.

Complete question:

a. only increase the surface area of the mucosa of the small intestine.

b. only carry products of digestion that will not pass through the walls of blood capillaries.

c. only produce new cells for the mucosa of the small intestine.

d. only function in the absorption of nutrients.

e. increase the surface area of the mucosa of the small intestine and produce new cells for the mucosa of the small intestine.

Read more on the small intestine:

https://brainly.com/question/392615

#SPJ1

The process of digestion involves several tissues, organs, and biological systems, which work together to break down food and absorb nutrients. These systems include the digestive system, the circulatory system, the nervous system, and the endocrine system.

The mouth, oesophagus, stomach, small intestine, large intestine, pancreas, liver, and gallbladder are among the organs that make up the digestive system. These organs work together to digest food, break it down into its component parts, and absorb nutrients.

The mouth and stomach break down food mechanically, while the small intestine and pancreas break it down chemically. The liver produces bile, which helps to break down fats, and the gallbladder stores and releases bile as needed.

The circulatory system is also involved in digestion, as it transports nutrients from the small intestine to the rest of the body. The nutrients are absorbed into the bloodstream and transported to the liver for processing.

The digestive, circulatory, nervous, and endocrine systems work together to break down food, absorb nutrients, and regulate digestion.

The nervous system helps to regulate digestion by sending signals to the digestive system to stimulate or inhibit the release of digestive enzymes and hormones. The vagus nerve, which connects the brain to the digestive system, plays an important role in this process.

The endocrine system produces hormones that regulate digestion, such as insulin and glucagon, which help to control blood sugar levels. These hormones are produced by the pancreas and released into the bloodstream.

All of these systems work together to ensure that food is broken down and nutrients are absorbed efficiently. For example, the digestive system breaks down food into small enough particles for absorption, while the circulatory system transports the nutrients to the rest of the body.

The nervous system and endocrine system regulate the digestive process to ensure that it occurs at the right pace and that nutrient absorption is optimized.

These systems must work together to ensure that the body can extract the nutrients it needs from food and maintain overall health.

Learn more about digestive system Here:

https://brainly.com/question/956634

#SPJ1

Anaerobic respiration is a kind of respiration that takes place when oxygen is scarce. During intense activity, lactic acid builds up in the anaerobic respiratory system.

Through the cell's cytoplasm's electron transport chain, organic and biological fuel are broken down and oxidized during anaerobic respiration. Due to the increased energy demand during intense activity, the anaerobic respiration cellular process lacks the utilization of oxygen to make energy like ATP and lactic acid buildup. Carbon dioxide, water, lactic acid, and ATP are all produced as byproducts of the anaerobic respiration cellular process. When glucose and glycogen are broken down, lactic acid is created.

learn more about anaerobic respiration here:

https://brainly.com/question/13943624

#SPJ4

Answer:

What is the Galapagos Islands in Ecuador the site of Darwin's note on?

Darwin first came to the Galápagos in 1835, on a ship called the HMS Beagle. His observations of wildlife on the island inspired his theory of evolution by natural selection

Answer:

17 number on the diagram is pointing to the deltoid muscle

Answer:

6. It is likely that the Pavlovian-conditioned fish (PAV-NL) performed more poorly than the unconditioned fish (UNP) because the conditioned fish had not been exposed to the light stimulus and therefore had not developed the conditioned response.

7. Yes, conditioning aggressiveness in other types of animals or humans would likely show similar results. This is because conditioning is a learned behavior, and animals and humans can be conditioned to respond to certain stimuli in a certain way.

8. Other explanations for the finding that winners keep winning could include that they have better physical abilities, better strategies, or better access to resources. Additionally, winners may have a psychological advantage due to their past successes, which can lead to further success.

Explanation:

A tiny electric message moves through a long part of a brain cell called the axon. When a message goes to the end of a nerve, it sends chemicals called neurotransmitters. These substances move through a tiny gap and attach to special parts of another nerve cell's outer covering.

Messages called impulses are sent from one nerve cell to another through a connection called a synapse. This process is called synaptic transmission. Synapses are connections between nerve cells or between nerve cells and other cells, like muscles or glands.

The neuron sending the signal is called the presynaptic neuron. When a signal travels down a nerve cell, it causes little sacs called vesicles to release chemicals called neurotransmitters.

Read more about impulse here:

https://brainly.com/question/229647

#SPJ1

Answer:

If all the grass disappeared from a community, the most likely change to occur would be that the deer population would decrease. This is represented by option D. Deer are herbivores and rely on grass and other vegetation as a primary food source. Without grass, the deer would have less food available, which could lead to a decrease in their population. This could also have a cascading effect on other species in the community, such as predators that rely on deer as a food source.

Explanation:

Answer:

the first question answer is SKIN PIGMENTATION

The secone question answer is D “Asexual reproduction can increase the population in a very short amount of time”

Some seeds feature barbs or hooks that cling to an animal's skin, fur, or feathers. Birds can carry away the sticky seeds of plants like pittosporum.

Seeds from plants that rely on animals for distribution are made to fit either within or outside of the animal. Burr- or hook-shaped seeds can cling to an animal's fur. Plants give seeds that are carried internally an enticing fruit pulp reward in exchange for the journey.

Mangoes, guavas, breadfruit, carob, and several fig species are some examples. Aardvarks and the desert melon (Cucumis humifructus) share a symbiotic connection in South Africa, where the mammals consume the fruit for food.

To know more about seeds visit:-

https://brainly.com/question/29093380

#SPJ1

Answer:

Please find the flowchart attached as an image

Explanation:

DNA is the genetic material contained in the cells of living organisms. The DNA contains a segment called GENE, which contains information used to produce useful products needed in the cell. The information contained in the gene is expressed to produce PROTEINS.

PROTEINS are responsible for many metabolic activities that occurs in a cell. The CELL functions due to activities of the proteins produced by gene expression. When similar cells come together, they form TISSUES. An aggregation of tissues performing similar functions form ORGAN. Organs functioning similarly come together to form ORGAN SYSTEM. A collection of organ systems in the body forms the ORGANISM.

1) The predators are mountain lion and wolf

2) The least efficient pathway to the top is; Grass --> Rat --> Ring tail ---> Wolf

3) The most efficient pathway to the top is; Grass --- >Deer ---> Mountain lion

We know that the food web is a representation of all the feeding relationships that are possible in the ecosystem. We know that in the ecosystem there are several feeding levels that run from the primary level way up to the secondary level.

In the primary level we have the primary producers which in this case are the green plants. Then we have the primary consumers which are the herbivores. From there we have the secondary consumers who feed on the herbivores and subsequently the secondary and the tertiary consumers.

The apex of the food chain is made up of the consumers that are found in the ecosystem.

Learn more about food web:https://brainly.com/question/2233704

#SPJ1

The option B is correct. Chromatin is made up of DNA and proteins.

Chromatin refers to a mixture of DNA and proteins that form the chromosomes found in the cells of humans and other higher organisms. Many of the proteins — namely, histones — package the massive amount of DNA in a genome into a highly compact form that can fit in the cell nucleus.

The function of this complex, the chromatin, is to package and reduce the size of DNA/RNA (tightly wind it so it takes up less space), regulate DNA replication and gene expression and to protect the DNA from damage.

The chromatin structure is formed by the association of DNA and histones. With the help of histone proteins, chromatin organizes DNA into chromosomes. Histones are adaptor proteins that help the DNA structure. They form a complex structure around the DNA, giving the chromosome a more compact shape.

Learn more about chromatin:

https://brainly.ph/question/12563955

#SPJ1

Answer: BO YOUR LAZY!

Explanation:

The percentage of muscle fiber types in a muscle is influenced by genetic factors, but physical activity and training can also cause adaptations and slight changes in muscle fiber type composition. The relative amount of each muscle fiber type can vary among individuals and can be different depending on the specific demands of their sport or event.

In the thigh muscles of Olympic athletes participating in different events like the marathon, weightlifting, and the 100-meter dash, we can expect to see variations in the distribution of muscle fiber types.

Marathon runners typically rely heavily on endurance and sustained effort, which requires a high aerobic capacity. Therefore, they often have a higher percentage of slow-twitch (Type I) muscle fibers. Slow-twitch fibers are fatigue-resistant and are well-suited for prolonged, low-intensity activities.

On the other hand, weightlifters need explosive strength and power for their sport. They typically have a higher proportion of fast-twitch (Type II) muscle fibers, particularly Type IIa and Type IIb. These fast-twitch fibers generate high force but fatigue more quickly than slow-twitch fibers. Weightlifters may have a higher proportion of Type IIb fibers, which are specialized for short, intense bursts of power.

Sprinters participating in the 100-meter dash require explosive speed and power. They also have a higher proportion of fast-twitch muscle fibers, including a significant percentage of Type IIb fibers. These fibers can generate rapid force production and are optimized for brief, intense activities.

It's important to note that while there are general trends in muscle fiber type distribution among athletes in specific sports, there can still be individual variation based on genetic factors, training history, and other factors. Athletes' training regimens and genetic predispositions can influence the specific percentages of muscle fiber types observed in their thigh muscles.

for similar questions on percentage.

https://brainly.com/question/28936899

#SPJ8