35,
What are two differences between gastrulation and neurulation as
they relate to embryonic development?

Answer: B

Explanation:

Took the test

the answer should be a plant cell due to the occurence of all of those things being in plant cells

Answer:

Yes there are four types of tissues: connective, epithelial, muscle, and nervous tissues.

Hope this helped, good luck on your test!

-omii♡

Answer:

homeostasis is in yourr endocrine system. its if your blood suger is too low or high. if its too high your cells will absorb glucose. if its too low, your cells will release glucose.

Explanation:

hope this helps luv! good luck!

Answer:

homeostasis is the equilibrium in an organism

Explanation:

the body needs to maintain homeostasis to keep a stable body temperature around 98.6

Answer:

Explanation:

1.  a) The population of interest is the entire population of oat plants.

   b) The sample is the 1000 oat plants that were selected from the larger population.

   c) The parameter is the true proportion of oat plants in the entire population that are resistant to crown rust disease.

   d) The statistic is the proportion of oat plants in the sample that are resistant to crown rust disease.

   e) The value 60% refers to the parameter. It is the claimed proportion of oat plants in the entire population that are resistant to crown rust disease.

   f) The value 47% is a statistic. It is the proportion of oat plants in the sample that are resistant to crown rust disease.

  g) The statistic can be used to make inferences about the parameter by using statistical methods such as hypothesis testing or confidence intervals. In this case, the researcher's claim is that less than 60% of oat plants are resistant to crown rust disease. By comparing the sample statistic (47%) to the claimed parameter (60%), the researcher can test whether the evidence from the sample supports or contradicts the claim. Statistical techniques can provide estimates of the sampling variability and assess the likelihood of observing the sample statistic if the parameter were truly 60% or less. This allows the researcher to make conclusions about the population based on the information obtained from the sample.

2.  a) The population of interest is all the workers in the corporation.

    b) The parameter is the preferences of the entire population of workers for the various components of the employee benefits package.

    c) The sample is the 500 employees selected from the population of workers.

    d) The statistic would depend on the specific analysis conducted on the preferences of the 500 sampled employees. It could be proportions, means, or other relevant measures obtained from the sample. Without more information, we cannot determine the exact statistic.

3.  a) The population of interest is the students at AURAK.

    b) The parameter is the mean IQ of all students at AURAK.

    c) The sample is the 25 students who were sampled.

    d) The statistic is the sample mean IQ of the 25 sampled students (103) and the sample standard deviation (12).

The correct answer is d) Decreased maternal PCO2. It is not a reason why maternal blood volume increases during pregnancy.

What is maternal blood volume?

Maternal blood volume (MBV) refers to the volume of blood in the body of a pregnant woman. It changes throughout pregnancy, and the changes are critical in determining the physiological and hematological adjustments that occur during pregnancy.

What happens to maternal blood volume during pregnancy?

The maternal blood volume increases during pregnancy. The increase in maternal blood volume is essential for the fetus to receive a sufficient amount of nutrients and oxygen. Maternal blood volume usually increases by approximately 30 to 50% in the early stages of pregnancy to support the growth of the uterus and placenta and meet the demands of the growing fetus.The increase in maternal blood volume is due to various factors such as an increase in red blood cell volume, increased blood flow to the kidneys and liver, and increased blood flow to the uterus and placenta. These factors lead to an increase in the volume of plasma and red blood cells.

Therefore, option d) decreased maternal PCO2 is not a reason why maternal blood volume increases during pregnancy.

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Answer:

bats don't lay eggs

Explanation:

mammals usually give birth

Answer:

Bats are true mammals in that they give birth to live young, produce milk to feed their young, have hair, and they are warm-blooded (they can self-regulate their body temperature). Bats are unique among mammals in that they can fly.

The backbone of DNA and RNA is composed of sugar phosphate. DNA is double-stranded due to interactions between adenine, cytosine, guanine, and thymine, which are nucleotide bases. Uracil is a pyrimidine nucleotide base.

DNA is the hereditary material of humans and almost all organisms. It carries genetic information. DNA is deoxyribonucleic acid and RNA is ribonucleic acid. DNA is double-stranded while RNA is single-stranded. Both DNA and RNA are protein derivatives. The base is formed of sugar phosphates. Both these carry nucleotide bases on them. Adenine, guanine, cytosine, uracil, thymidine, etc are examples of nucleotide bases. Among that adenine and guanine are purines. Cytosil Uracil and thymidine are pyrimidines.

For more details on purines and pyrimidines, see this question.

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Where is the question!?

Answer:

1. Alzheimer's disease is when you begin to forget things and have memory loss.

2. It is inherited in an autosomal dominant pattern and if one of your parents has Alzheimer's you or your siblings could get it.

3. Single gene inheritance

Explanation:

Answer:

B) A large percentage of US crops are currently genetically engineered.

Answer:

4 Chloroplasts need sunlight to work, so they are found in the parts of the plant that get sunlight.

(A) create a F1 hybrid and then do a test cross

(E) carry out a reciprocal cross.

Moreover, The simplest test to distinguish between these two possibilities is the complementation test. The test is simple to perform  cross two mutants and analyze the F1. If the F1 expresses the wild-type phenotype, we conclude that each mutation is in one of two possible genes necessary for the wild-type phenotype.

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Answer:

The genetic material's inheritability shows how that the DNA of all creatures, both living and dead, can be traced back to a single point, which is our common ancestral origin of life.

Explanation:

A mutation that transforms one codon into another, but specifies the same amino acid in both codons; The resulting polypeptide does not change as a result of this. A mutation that alters the mRNA's reading frame by inserting or deleting bases is known as a frameshift.

A mutation that transforms one codon into another, but specifies the same amino acid in both codons; The silent mutation of the polypeptide that results are unaffected by this.

Nucleotide addition or deletion that alters the grouping and the code for all subsequent amino acids is known as a frameshift variant.

switch out a codon for one that encodings the same amino acid and produces the same protein The term for this is "silent mutation." change an amino-corrosive coding codon to a solitary "stop" codon and causes a fragmented protein. Due to the likely failure of the incomplete protein, this could have serious consequences.

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Answer:

a good listener, has good social skills, and willing to help

Explanation:

Answer:

chromatin

Explanation:

Answer:

chromatin

Explanation:

Chromosomes are made up of a DNA-protein complex called chromatin that is organized into subunits called nucleosomes.

Cell shape helps cells perform specific function infer from nerve cells having long extensions that help them pass multiple messages to other cells simutainously.

The central nervous system consists of the brain and spinal cord, while the peripheral nervous system consists of the somatic and autonomic nervous systems. These two systems work together to control all activities in the body, both consciously and unconsciously.

In general, the nervous system consists of several parts, namely the brain, spinal cord, and nerve cells (neurons). The functions of these parts are related to one another. Here is the explanation:

The brain is the control center whose job is to regulate all functions in the body, starting from movement, secretion or secreting hormones, thinking or cognitive power, sensations, to emotions.

The spinal cord is part of the central nervous system. Some stimuli that are reflexes can pass through the spinal cord without going through the brain.

Neuron is the working unit of the central nervous system. Consists of 12 cranial nerves, all spinal nerves, and their branches. Its function is as a conductor of information in the form of stimuli or impulses. With the presence of these nerve cells, both organs and movement systems can respond as they should.

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Answer:

There are four main stages in the water cycle. They are evaporation, condensation, precipitation and collection. Let's look at each of these stages. Evaporation: This is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas).

Explanation:

Answer:

b

Explanation:

you just have to think about the definition of unity. the word unity comes from unite. unite many pieces and you get a whole.

Answer:

long term energy

Explanation:

About 60 percent of an individuals daily energy needs is determined by basal metabolic rate (BMR).

About 60 percent of an individual's daily energy needs is determined by their basal metabolic rate (BMR). Basal metabolic rate refers to the amount of energy or calories that an individual's body requires to maintain basic bodily functions at rest. These functions include breathing, circulation, cell production, and maintaining body temperature.

BMR is influenced by several factors, including age, gender, body composition (muscle mass and fat percentage), and genetics. Generally, individuals with more muscle mass have a higher BMR because muscle tissue requires more energy to maintain compared to fat tissue.

It's important to note that the remaining percentage of daily energy needs is determined by physical activity levels and the thermic effect of food (energy expended during digestion and absorption of food).

Approximately 60 percent of an individual's daily energy needs is determined by their basal metabolic rate (BMR). Understanding BMR is crucial for estimating daily calorie requirements and developing appropriate dietary and exercise plans to maintain a healthy weight.

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Two examples of reliable sources of nutrition information are the Academy of Nutrition and Dietetics and an article written by a registered dietitian.

Explanation:

The Academy of Nutrition and Dietetics is a reputable organization that serves as a reliable source of nutrition information. It is the largest organization of food and nutrition professionals globally. The Academy provides evidence-based information about food and nutrition, which is supported by scientific research. Their team of experts consists of highly qualified professionals who are trained to provide accurate and up-to-date information. Through their research and expertise, the Academy offers recommendations and guidelines on various topics related to food, nutrition, and healthy eating practices. The Academy's website is a valuable resource where individuals can access reliable information on weight management, food safety, and other relevant nutrition topics.

An article written by a registered dietitian is another reliable source of nutrition information. Registered dietitians are professionals who specialize in food and nutrition. They undergo rigorous training and education to obtain their credentials. As experts in the field, registered dietitians provide accurate and evidence-based information on food, nutrition, and dietary practices. Articles written by registered dietitians are based on scientific evidence and can be found in reputable publications such as magazines and online journals. These articles provide reliable information that individuals can trust when seeking guidance on nutrition-related matters.

In summary, the Academy of Nutrition and Dietetics and articles authored by registered dietitians are two examples of reliable sources of nutrition information. Both sources are rooted in scientific evidence and research, ensuring that the information provided is trustworthy and up-to-date. It is crucial to rely on credible sources when making decisions about food and nutrition to ensure accurate and reliable information is used.

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A larger brain provided early hominins with enhanced cognitive abilities, improving problem-solving, memory, learning, and language skills.

Having a larger brain enabled early hominins to develop complex social structures, engage in advanced tool-making, and navigate their environment more effectively. The increased cognitive abilities facilitated problem-solving skills, allowing for the development of innovative strategies to obtain food, protect themselves, and adapt to changing environments. The improved memory capacity would have aided in learning and passing down knowledge from one generation to the next.

Additionally, language skills likely played a crucial role in communication and cooperation within social groups, enabling collective decision-making, enhanced hunting techniques, and the transmission of cultural practices. Overall, a larger brain provided early hominins with a competitive advantage in their ecological niche by enabling higher cognitive functioning.

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Ok, I'm going to say the CER in parts and you can put it together any way you want because my brain isn't working today.

So basically, they claim that the concentration of carbon dioxide can affect the rate of photosynthesis in tomato plants.

We can show evidence from the model provided to show the affects caused to the tomato plants.

It shows the rate of photosynthesis rising as well as the concentration of carbon dioxide, but later on photosynthesis stops as the concentration of carbon dioxide keeps increasing.

From background research, we know carbon dioxide is a major part in photosynthesis, meaning this is crucial to the plant producing it's own food, also meaning that the increase of carbon dioxide also increases the rate of photosynthesis as also seen in the model.

I hope this is good enough, you can reach out again if you need anything else :>

Answer:water

Explanation:

During photosynthesis 6 molecules of carbon dioxide are required to synthesize a glucose molecule, hence option a carbon dioxide is correct.

Six carbon dioxide molecules are required, one for each carbon atom in glucose. As a byproduct of water oxidation, 6 molecules of oxygen are created, 6CO2+6H2O→C6H12O6+6O2.

The endergonic pathway requires free energy, which is provided by sunlight. Plants absorb carbon dioxide (CO2) and water (H2O) from the air and soil during photosynthesis.

Organisms primarily employ two types of molecules: glucose and ATP. Both compounds are used as fuels by all living things. Both chemicals are also important in the photosynthesis process.

Therefore 6 carbon dioxide is used in reaction, hence option a carbon dioxide is correct.

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Answer:

LETSS GOOOOOOOOOO

Explanation:

Answer:

Solution given:

Force [F]=500N

distance [d]=4m

time [t]=5s

Now

power =F× velocity

=F×d/t=500×4/5=400 watt

In the context of topographical mapping in the visual cortex, stimuli that are located in the peripheral visual field, such as objects or events towards the edge of our visual field, tend to activate regions farther forward in the visual cortex.

The visual cortex is organized in a topographical manner, where different regions of the cortex correspond to specific areas of the visual field. This organization allows for efficient processing of visual information. In this context, stimuli encountered on a beach trip that are located in the peripheral visual field, such as objects or events towards the edge of our visual field, will activate regions farther forward in the visual cortex.

As we look straight ahead, the central part of our visual field falls within the fovea, the region of the retina with the highest visual acuity. The information from the fovea is represented in the posterior part of the visual cortex, towards the back of the brain.

However, the peripheral visual field, which includes the sides and edges of our visual field, is represented in more anterior regions of the visual cortex. This means that stimuli encountered on a beach trip that are located in the peripheral visual field, such as distant objects, people, or events at the edges of the beach, will activate regions farther forward in the visual cortex compared to stimuli in the central visual field.

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Explanation:

I think your answer is D, and let me explain why.

Heat can denature proteins quickly because proteins have very specific temperatures at which they act best. If the temperature rises too high/falls too low with respect to that threshold, then that will cause the proteins to stop working properly and eventually die.

pH is also very important with how proteins work, and it's the same reason as heat. Proteins have a certain range of pH's that keep them healthy and working, but as soon as the pH changes dramatically outside of that range, the proteins will be quickly denatured.

And lastly, organic solvents can denature proteins as well (e.g. alcohol), which makes sense because they are solvents (a solvent is something that dissolves other substances). I'm not sure about the exact chemistry / biological responses behind it, but it's what would be expected of a solvent.

With all of this in mind, I think your answer should be D!