size of braincase cranial shape- is the skull longer front to back? sagittal crest? sagittal keel? what is the shape of the occipital region? is there a nuchal torus? height of skull. how much skull is above the supraorbital ridge?

Answer:

I think its 5g

Explanation:

lots of teachers ask really easy questions and you over think it

almost a trick question

The effect on resistance if the radius of a vessel is halved is that resistance increases by a factor of 16.


Resistance is inversely proportional to the fourth power of the radius of a vessel. This means that if the radius is halved, the resistance will increase by a factor of 16. This relationship is described by the Hagen-Poiseuille equation, which is used to calculate the resistance to fluid flow in a cylindrical vessel:
                          Resistance = (8 × viscosity × length) / (π × radius^4)
From this equation, we can see that if the radius is halved, the resistance will increase by a factor of 16. Therefore, the correct answer is option d. Resistance increases by a factor of 16.

Learn more about the effect of resistance at https://brainly.com/question/25997303.

#SPJ11

Answer:

8 V

Explanation:

V= IR

V = 4×2

V= 8 V

The answer is the ohms × current

Voltage is an electrical difference of potential across the circuit. The voltage of the bulb is 8V with a current of 2 A and a resistance of 4 ohms.

Ohms law gives the relation between the current (I) in Amperes, voltage (V) in volts, and resistance (R) in ohms. The formula to calculate voltage is given as,

\(\rm V = I \times R\)

Given,

Current (I) = 2 Ampere

Resistance (R) = 4 ohms

Substituting values in the equation to calculate voltage as:

\(\begin{aligned} \rm V &= \rm I \times R\\\\&= 2 \times 4 \\\\&= 8\end{aligned}\)

Therefore, 8 V is the voltage developed across the bulb with 4-ohm resistance.

Learn more about voltage here:

https://brainly.com/question/15263092

Answer:

I believe the tertiary  consumers will receive 57.5 calories of energy

Explanation:

Only 10% of energy gets passed on to the next level of consumer and 10% of 575 is 57.5

Answer:

Explanation:

Due to technical problems, you will find the complete explanation in the attached file.

Clover is dissatisfied and debating whether to revolt against Animal Farm. Because her ideas contradict whatever Old Major taught her, Clover is upset.

Snowball wants to construct the windmill, while Napoleon believes there are more pressing issues. Snowball disagrees with Napoleon's assertion that the property does not have to be protected in the event that others revolt. Clover is dissatisfied and debating whether to revolt against Animal Farm. Up to the very conclusion of the narrative, Clover is a devoted follower of the Animalist revolution. She chastises Mollie for abandoning Major's principles. Clover hides during the Battle to stay out of the fray. This "Beasts of England" song was banned by Napoleon because it gave those animals rebellious notions. Clover simply learns the basics of reading and writing.

Learn more about clover

https://brainly.com/question/28068344

#SPJ4

Explanation:

the sperm is placed on top of the frog eggs

The sperm come in contact with the frog eggs as they are placed on top of the egg cells. Thus, the correct option is B.

During the spring season or rainy season, frogs and toads move to ponds and slow flowing stream regions. When the male (sperm) and female (egg) come together in water medium, the female frog lays hundreds of eggs in the water. Frog’s eggs are not covered by a shell and it is comparatively very delicate in nature. A layer of the jelly holds the eggs together in place and provides protection to the egg cells. As the eggs are laid in the water, the male frog deposits sperms over them. Each sperm swims randomly in the water body with the help of the long tails. The sperms (male gamete) come in contact with the eggs (female gamete). This results in fertilization of the gametes.

The sperm come in contact with the frog eggs as the sperm is placed on top of the eggs.

Therefore, the correct option is B.

Learn more about fertilization here:

https://brainly.com/question/3204813

#SPJ6

This paper by Hanahan and Weinberg discusses the hallmarks of cancer and proposes an updated conceptual framework for understanding the complex nature of cancer.

It has been widely cited and has significantly influenced the field of oncology.The hallmarks of cancer are a rapidly evolving field of research. As scientists learn more about these hallmarks, they will be able to develop new and better ways to prevent, diagnose, and treat cancer.In the 2011 paper, Hanahan and Weinberg identified six new hallmarks of cancer:Evasion of growth suppressors. Cancer cells evade the signals that normally tell them to stop growing.Reprogramming of energy metabolism. Cancer cells reprogram their metabolism to support rapid growth and proliferation.Warming of the tumor microenvironment. Cancer cells create a warm and acidic environment that promotes their growth and survival.

Tissue invasion and metastasis. Cancer cells can invade surrounding tissues and spread to other parts of the body.

Learn more about hallmarks here:

https://brainly.com/question/29655296

#SPJ11

Statements true according to law of natural selection are:

Natural selection is the process by which certain traits become more or less common in a population over time as a result of differential survival and reproduction of individuals with those traits.

It is a key mechanism of evolution and is based on the principles of variation in traits among individuals in a population, heritability of traits, and differential reproductive success of individuals with certain traits. Through natural selection, traits that provide an advantage in survival and reproduction become more common in the population, while traits that are detrimental become less common.

Learn more on natural selection here: https://brainly.com/question/14874301

#SPJ1

The complete question is:

Check all statements below that are true.
All organisms must compete for survival.
When organisms struggle to survive, they usually mutate to increase chances of reproduction.
Some organisms have phenotypes that make them better competitors than others in their environment.
Animals undergo natural selection, but plants and other organisms generally do not.
Natural selection continues to occur even today.
Phenotypes found in the most successful members of a species become the most prevalent after several generations.
A decrease in food availability will increase the variation in a population.

To determine the genotype of an individual who expresses a dominant trait, you would cross that individual with an individual who is homozygous recessive for that trait.

When determining the genotype of an individual expressing a dominant trait, you need to perform a test cross. In this case, you would cross the individual in question with another individual who is known to be homozygous recessive for that specific trait.

If the individual expressing the dominant trait is homozygous dominant (DD), all offspring from the cross will have the dominant trait. However, if the individual is heterozygous (Dd), half of the offspring will have the dominant trait, and the other half will have the recessive trait.

By observing the phenotypes of the offspring, you can determine whether the individual expressing the dominant trait is homozygous or heterozygous.

To learn more about  heterozygous

Click here brainly.com/question/30156782

#SPJ11

Undifferentiated cells that can differentiate and replace cells that are lost are called stem cells.

a. Induced cells are cells that have been reprogrammed to revert back to a pluripotent state from a more differentiated state. This is typically achieved through genetic manipulation or exposure to certain chemicals.

b. Stem cells are undifferentiated cells that have the ability to differentiate into various cell types and replace cells that are lost or damaged. They are characterized by their ability to self-renew and differentiate into specialized cell types.

c. Omnipotent cells, also known as totipotent cells, are cells that have the ability to differentiate into all cell types, including the extraembryonic membranes that support embryonic development. These cells are only found in the early stages of embryonic development.

d. Unipotent cells are cells that have the ability to differentiate into only one specific cell type. An example of this is a muscle satellite cell, which can only differentiate into a muscle cell.

e. Parapotent cells are a hypothetical type of stem cell that have the ability to differentiate into all cell types within a specific germ layer, but not across germ layers. This means that they can differentiate into multiple types of cells within one tissue type, but not into cells from different tissue types.

Overall, stem cells are a critical tool for regenerative medicine and hold great potential for treating a wide range of diseases and injuries. However, there is still much research to be done to fully understand their properties and potential applications.

To know more about stem cells click here:

https://brainly.com/question/11161299

#SPJ11

Undifferentiated cells that have the ability to differentiate into various specialized cell types and replace lost or damaged cells are called stem cells.

Stem cells are characterized by their unique capacity for self-renewal and differentiation into specific cell lineages. They play a crucial role in tissue regeneration and repair in organisms.

Stem cells can be found in various sources, including embryonic tissue and adult tissues such as bone marrow and adipose tissue. They are classified into different types based on their differentiation potential. The two main types are embryonic stem cells (ESCs) and adult stem cells.

ESCs are derived from the inner cell mass of early embryos and are pluripotent, meaning they can differentiate into cells from all three germ layers: ectoderm, endoderm, and mesoderm.

Adult stem cells, also known as somatic or tissue-specific stem cells, are found in specific tissues and are multipotent or unipotent, depending on their capacity to differentiate into various cell types within or limited to a particular tissue.

In conclusion, the correct answer to the question is b. stem cells. They possess the remarkable ability to differentiate and replace lost or damaged cells, making them a valuable resource for regenerative medicine and therapeutic applications.

Therefore, the correct answer is B, stem cells.

For more such answers on stem cells

https://brainly.com/question/21222769

#SPJ11

Given a bacteria culture starts with 2000 bacteria. a) It take 2.93 hours for the number of bacteria to double ; b) It will take  4.21 hours. for the bacteria population to grow to 90000.

a) After 6 hours the estimated count is 60 000. Round your answer to 2 decimal places of an hour. For calculating the time taken for a number of bacteria to double, we use the formula, t = (ln 2)/k where, t = time, k = doubling time (in hours), and ln = natural logarithm. Given that the initial number of bacteria is 2000 and the number of bacteria after 6 hours is 60 000. The estimated growth rate, k = (ln N₁  - ln N₀ )/(t₁  - t₀ ) where N₁ is the final number of bacteria, N₀ is the initial number of bacteria, t₁ is the final time, and t₀  is the initial time. So, we have k = (ln 60 000 - ln 2000)/(6 - 0) = 1.418 / 6 hours = 0.236. Therefore, t = (ln 2)/k = (ln 2)/0.236 = 2.93 hours (approximately) to double the number of bacteria. Hence, the answer is 2.93 hours.

b) Assume the doubling period was half an hour.  Round your answer to 2 decimal places of an hour. Given that the doubling period was half an hour. Therefore, the growth rate, k = 1/doubling time = 1/0.5 = 2 per hour. Let t be the number of hours to grow to 90,000 bacteria. Then, we have 90,000/2000 = 2^(t/0.5) => 45 = 2^(t/0.5) => ln 45 = (t/0.5) ln 2 => t = (ln 45)/(0.5 ln 2) = 4.21 hours (approximately). Therefore, the answer is 4.21 hours.

To know more about bacteria culture, refer

https://brainly.com/question/30489382

#SPJ11

Answer: the answer is scavengers.

Explanation:

The statement that is not true about the resistance phase of the general adaptation syndrome is the dominant hormone is epinephrine. The correct option is A.

The dominant hormones in the resistance phase are glucocorticoids, such as cortisol. Glucocorticoids are released by the adrenal glands in response to stress.

They help the body to adapt to stress by increasing blood sugar levels, suppressing the immune system, and increasing the production of red blood cells.

The other statements about the resistance phase are true. The resistance phase follows the alarm phase and precedes the exhaustion phase. In the resistance phase, the body adapts to the stressor and returns to a state of homeostasis.

However, if the stressor is prolonged, the body may enter the exhaustion phase, which can lead to health problems.

To know more about general adaptation syndrome, refer here:

https://brainly.com/question/1444902#

#SPJ11

Answer:

C. Endoplasmic Reticulum.

Explanation:

The Endoplasmic Reticulum also includes ribosomes attached to the membrane and can produce protein.

I hope this helps you! :)

The given statement "Selective distortion could be described as perceiving stimuli (an event) in a way that makes you feel comfortable cognitively" is False.

Selective distortion refers to the process by which we perceive stimuli in a way that is consistent with our existing beliefs, attitudes, and expectations. This means that we may filter out information that contradicts our preconceptions, or interpret information in a way that reinforces them. This can lead to cognitive dissonance, which is the discomfort or anxiety that we feel when our beliefs and actions are inconsistent with each other.

False. Selective distortion can occur at both conscious and unconscious levels. At the conscious level, we may be aware of the ways in which we are filtering information, and we may be able to consciously control our perceptions to some extent. At the unconscious level, our perceptions may be influenced by our deep-seated beliefs and attitudes, which we may not even be aware of.

Most of our thoughts occur at a conscious level, but there are also many thoughts and perceptions that occur at an unconscious level. These unconscious thoughts and perceptions can be influenced by a wide range of factors, including our past experiences, our cultural background, and our current emotional state.

True. Perception and reality are not necessarily the same thing. Perception refers to the way that we perceive and interpret information through our senses. Reality refers to the objective state of things as they actually exist, independent of our perceptions. However, our perceptions can influence our understanding of reality, and our perceptions may not always be accurate or complete.

Perception and reality can be distinct constructs, but they are also closely related. Our perceptions can be influenced by our expectations, our past experiences, and our cultural background, among other factors. At the same time, our perceptions can also provide us with information about the world around us that is independent of our subjective experiences.

Learn more about Selective distortion Visit : brainly.com/question/28012550
#SPJ11

Proteins are directed to the ER by the amino acid sequence Leu-His-Leu-Asp-Ala-Gln-Ser-Lys-Leu-Ser-Ser. This statement is true.

This signal sequence is usually located at the N-terminus of the protein and is recognized by the signal recognition particle (SRP), which binds to the sequence and targets the ribosome-nascent chain complex to the ER membrane.

Once the ribosome-nascent chain complex reaches the ER membrane, the SRP binds to its receptor on the ER membrane, and the nascent polypeptide chain is translocated across the ER membrane through a protein channel called the translocon. The signal sequence is then removed from the protein by a signal peptidase enzyme located in the ER membrane.

The presence of this signal sequence is essential for the correct localization and function of many secreted and membrane proteins, making it an important element of protein trafficking and secretion pathways in eukaryotic cells.

To learn more about amino acids

https://brainly.com/question/15687833

#SPJ4

Answer:

d

Explanation:

Answer:

Anaphase

Explanation:

It is what it is

Answer: Red blood cells placed in a solution with higher water concentration compared to their contents will gain water by osmosis that will then swell up and then burst.

Explanation:

Osmosis causes red blood cells to release water when they are exposed to sodium chloride solutions that are more concentrated than their internal environment (hypertonic solutions).

Hemolysis is the term for this process. In an attempt to balance the solute concentration, water is pulled out of the cells by the high concentration of sodium chloride outside the cells, creating an osmotic gradient. The result is that the cells shrink and may eventually rupture or burst. Lack of water reduces internal pressure and destabilizes cell membranes, causing red blood cells to burst.

This phenomenon underscores how important it is to maintain the correct balance of solute concentrations to protect the structural and functional integrity of red blood cells.

Learn more about red blood cells, here:

https://brainly.com/question/12265786

#SPJ2

The core dynamo of the sun creates a complex network of magnetic fields along which the prominence plasma moves. When such a structure loses stability, it explodes outward, expelling the plasma, and this is known as an erupting prominence.

   A solar prominence is a sizable, luminous feature that extends from the Sun's surface and is also referred to as a filament when seen against the solar disk. The photosphere, where prominences are tethered to the Sun's surface, extends into the corona, the Sun's scorching outer atmosphere. A prominence develops over the course of about a day, and stable prominences can arc hundreds of thousands of kilometers into space for several months while remaining in the corona. Researchers are still trying to understand how and why prominences develop

learn more about solar here

https://brainly.com/question/12418989

#SPJ1

Spongy bone, also known as cancellous bone, is a type of bone tissue that has a spongy or porous appearance.

It is found at the ends of long bones and in the middle of most flat bones in the body, including the skull, sternum, and pelvis. Spongy bone is composed of trabeculae, which are needle-like or flat pieces of bone tissue that form a network of interconnecting plates and struts.

Trabeculae are arranged in a complex pattern that provides structural support and helps to distribute the forces of weight-bearing and movement across the bone. This network of trabeculae also contains small spaces filled with bone marrow, which produces red and white blood cells and platelets.

The structure of spongy bone is important because it allows for the exchange of nutrients and waste products between the blood vessels in the bone and the bone cells themselves. It also provides a large surface area for bone remodeling, which is the process by which old bone tissue is broken down and replaced with new tissue.

In summary, spongy bone is arranged in a network of needle-like or flat pieces called trabeculae. These trabeculae form a complex pattern that provides structural support, distributes forces, and allows for the exchange of nutrients and waste products in the bone tissue.

To know more about Spongy bone visit:

https://brainly.com/question/30891831

#SPJ11

Food is a significant part of determining your personal carbon footprint. Governments should provide incentives for adopting a plant-based diet, encourage the reduction of packaging waste, and support sustainable food production practices.

The ways you can change your carbon footprint for food include consuming a plant-based diet, eating locally sourced produce, decreasing your food waste, and reducing your packaging waste. On the other hand, the ways you can’t change your carbon footprint for food include consuming animal products in excess, purchasing processed foods, consuming exotic fruits and vegetables, and drinking bottled water.

The government can promote the reduction of meat consumption by providing incentives to consumers for adopting a plant-based diet, encourage the reduction of packaging waste, and support sustainable food production practices. The steps from farm to plate that contribute to greenhouse gas emissions include the use of fossil fuel in farm machinery, transport, and processing, livestock farming, deforestation for land use, and food wastage.

The food industry should ensure environmentally responsible food sourcing, reduction in the use of plastics, and decreasing food waste. Governments should provide incentives for adopting a plant-based diet, encourage the reduction of packaging waste, and support sustainable food production practices.

To know more about carbon footprint, refer

https://brainly.com/question/22884757

#SPJ11

Answer: The most reliable answer is d i think

Answer:

The replacement of a base at a codon, as occurs when the GGA codon is changed to CGA, causes a change in the amino acid glycine to arginine.

Explanation:

Nitrogen base changes in a codon usually result from base changes in the DNA before transcription into messenger RNA, called point gene mutations.

In the case presented, the substitution of the guanine base by cytosine in the GGA codon —resulting in a CGA codon— generates a change in the coding amino acid, resulting in arginine instead of glycine.

The change of an amino acid in a peptide or protein can mean an alteration in the structure or function of these molecules.

Because an amino acid can be encoded by several codons, changes of a nitrogen base at a codon sometimes do not involve changes in the amino acid sequence of a protein.

The replacement of a base at a codon, as occurs when the GGA codon is changed to CGA, causes a change in the amino acid glycine to arginine.

Due to Base Substitutions Mutations.

A nonsense mutation refers to a base substitution in which the changed nucleotide transforms the codon into a stop codon.

Such a modification leads to a premature termination of translation, which can badly affect the formation of proteins.

Thus, Base Substitutions Mutations take place.

To learn more about Base Substitutions Mutations click here:

https://brainly.com/question/15132400