An atom of a certain element has 18 protons, 18 electrons, and a mass number
of 40. At room temperature this element is a very stable gas. How many
neutrons are in this atom?
Record your answer and fill in the bubbles on your answer document. Be sure
to use the correct place value.

Answer:

deciduous trees

Explanation:

Answer:

Deciduous trees

Explanation:

If two genes on the same chromosome exhibit complete linkage, the expected F2 phenotypic ratio from a selfed heterozygote with the genotype a+b+ // ab would be 1:1:1:1 (Option b).

Complete linkage means that the two genes are located very close to each other on the same chromosome and are inherited together as a unit, without undergoing independent assortment. In a selfed heterozygote with the genotype a+b+ // ab, the two genes (a and b) are present in the heterozygous form, meaning there is one copy of each allele.

During meiosis, if the genes are completely linked, there will be no crossing over or recombination events between the two genes. As a result, the parental combinations of alleles (a+b+ and ab) will be transmitted to the F2 generation without any mixing or shuffling.

In the F2 generation, the expected phenotypic ratio will be 1:1:1:1 because all four possible combinations of alleles from the parental generation will be present in equal proportions. This means that each of the four possible genotypes (a+b+, a+b, ab+, ab) will have an equal chance of occurring, resulting in a 1:1:1:1 phenotypic ratio.

Therefore, the correct answer is option b: 1:1:1:1, which represents the expected F2 phenotypic ratio from a selfed heterozygote with the genotype a+b+ // ab when the two genes exhibit complete linkage.

know more about chromosome click here:

https://brainly.com/question/30077641

#SPJ11

Answer:energy in the form of heat and matter (nutrients, solids, dissolved substances, and gases)

Explanation:

The large animal could live entirely on mice never cry wolf and no all deer and mice living on a forest be a population because they are different species.

A population can be defined as the discrete entities with identifiable characteristics like people, animals and data collection has called a population. A local population can be restricted to a smaller area where as a metapopulation has defined as when individuals in local populations scatter among other local populations.

A population consists of a similar group of species who reside in a  geographical location and interbreed to produce fertile offspring, all individuals are able to survive and reproduce due to genetic variations.

Therefore, The large animal could live entirely on mice never cry wolf and no all deer and mice living on a forest be a population because they are different species.

Learn more about population on:

https://brainly.com/question/27991860

#SPJ1

Answer:

See below.

Explanation:

The answer would be carbon dioxide.

The inputs of photosynthesis are water, carbon dioxide, and sunlight. The products are glucose (sugar), oxygen and water.

-hope it helps

Red and yellow bone marrow are two types of bone marrow found in the human body, and they differ in their function and composition.

Red bone marrow, also known as myeloid tissue, is responsible for the production of red blood cells, white blood cells, and platelets. It is located mainly in the flat bones of the skull, pelvis, ribs, sternum, and vertebrae. Red bone marrow contains stem cells, which give rise to the blood cells, and various other types of cells that support and nourish the stem cells. Yellow bone marrow, also known as fatty tissue, is found mainly in the long bones of the arms and legs. It consists mainly of fat cells, which store energy, and a few scattered blood cells. Yellow bone marrow does not produce blood cells, but it can be converted into red bone marrow if the body needs to increase its production of blood cells. The conversion of yellow bone marrow into red bone marrow is a natural process that occurs in response to certain conditions, such as severe bleeding or anemia.

To learn more about bone, click here:

https://brainly.com/question/819753

#SPJ4

Answer: Anaphase

Explanation:

During anaphase, the sister chromatids separate from each other and are pulled towards opposite ends of the cell.

Answer:

Subjective observations include the way patients feel, their histories, information about any injuries, and whether they have limited range of movement.

Answer:

Plants are classified based on these 3 characteristics: The evergreen plants are plants that retain leaves at all times.

Hope this helps!

Answer:

The main purpose of classifying plants is to ensure that the right plants are correctly named, grouped and identified. Plants are classified based on these 3 characteristics: The evergreen plants are plants that retain leaves at all times (all year round).

Explanation:

I hope that help u

Commonly the place where a population lives is described was a habitat, forming a biological community, however there is not an option with that term, but between the present terms the one that is closer to a term for the area where a population lives is D. Geographic Distribution, since all the other alternatives are related to different factors of ecological studies.

Saturated fats have single bonds between Carbon but unsaturated have either double or triple bond between Carbon

Unsaturated fats, which are liquid at room temperature, are regarded as healthy fats because they can lower blood cholesterol levels, reduce inflammation, maintain healthy cardiac rhythms, among other positive effects.

Because of sigma bonds saturated have higher melting point and that is why at room temperature they exist in the solid state. For example ghee . Unsaturated fatty acids have lower melting point that is why they exist as liquid  . For example oil.

To learn more about Fat refer

https://brainly.com/question/22861193?

#SPJ4

Some people may not believe that their present-day habits and exposure to carcinogens will lead to cancer due to various reasons such as lack of knowledge, misinformation, psychological factors, and the perception of invincibility.

There are several factors that contribute to why some individuals may not believe that their present-day habits and exposure to carcinogens will result in cancer. One reason is a lack of knowledge or understanding about the link between certain habits and cancer development. Many people may not be aware of the specific carcinogens present in their environment or the long-term effects of their habits on their health.

Misinformation can also play a role in disbelief. The spread of misinformation through social media and other sources can lead to confusion and skepticism about the connection between habits and cancer. Conflicting information or pseudoscience may create doubts in people's minds, causing them to disregard the potential risks.

Psychological factors can also influence people's beliefs. Some individuals may have a tendency to downplay the potential harm of their habits in order to maintain a sense of control or avoid feelings of anxiety. They may rationalize their behavior by focusing on examples of people who engage in similar habits but do not develop cancer, reinforcing their belief that their actions are not detrimental.

Moreover, the perception of invincibility can contribute to disbelief. Some individuals may hold the belief that cancer only happens to other people and that they are somehow immune to the disease. This optimistic bias can lead to a sense of denial and a reluctance to acknowledge the potential risks associated with their habits.

To learn more about carcinogens refer:

https://brainly.com/question/9665482

#SPJ11

Homeostasis is the ability to maintain internal stability in an organism in response to the environmental changes. The internal temperature of the human body is the best example of homeostasis.

Homeostasis, also known as homoeostasis in the UK, is the stable internal, external, and chemical conditions that are maintained by biological systems.

This is the state of the organism when everything is operating at its best and numerous factors, including fluid balance and body temperature, are maintained within predetermined ranges (homeostatic range).

Despite changes in the environment, nutrition, or level of exercise, other factors such as the pH of extracellular fluid, the concentrations of sodium, potassium, and calcium ions, as well as the blood sugar level, must be controlled.

Learn more about Homeostasis to visit this link

https://brainly.com/question/3888340

#SPJ4

Answer: 3

Explanation:

because it’s the mitochondria

Answer:

The answer is c

Explanation:

the answer is c because the thing that is labeled three is the mitochondria

After a heavy meal, glucose is absorbed from the small intestine into the blood, so the glucose level in the blood increases and is detected by the pancreas, which then secretes insulin. Insulin makes the liver absorb glucose and convert it into glycogen, and as needed, it will release glucose.

Glycogen is a storage form of carbohydrates present in the human body that is made up of glucose. The correct paragraph is written here. After a heavy meal, glucose is absorbed from the small intestine (materials get absorbed here), and its concentration in the blood cells goes up. This rise in glucose level is detected by the pancreas, which releases the hormone insulin (a hormone for glucose homeostasis) into the blood. Insulin makes the liver (which stores the glycogen) remove the extra glucose from the blood and store it as glycogen (a polymer of glucose).

Later on, the concentration of glucose in the blood drops (as glucose is stored in the liver). The liver degrades glycogen, causing glucose to rise again. After the meal, the free glucose is stored as glycogen, resulting in less free glucose in the blood.

Hence, the insulin, liver, and intestine all play important roles in this process.

Learn more about glycogen here.

https://brainly.com/question/14466525

#SPJ1

Answer:

A.Yes

Explanation:

Gene mutations can alter codon sequences and negatively impact protein synthesis.

In the 1930s, Dr. Link and his laboratory at the University of Wisconsin discovered and purified an important anti-vitamin K substance from spoiled sweet clover hay. This substance was identified as dicoumarol, a compound that inhibits the enzyme vitamin K epoxide reductase, which is involved in the activation of blood clotting factors.

Dr. Link and his laboratory at the University of Wisconsin discovered and purified an important anti-vitamin K substance in the 1930s. This substance was purified from spoiled hay that had caused fatal hemorrhages in cattle. The substance was later identified as dicoumarol, a compound that inhibits the action of vitamin K in blood clotting. The discovery of dicoumarol led to the development of anticoagulant medications, which are still widely used today to treat blood clots and prevent stroke and heart attack.

Learn more about anticoagulants: https://brainly.com/question/14834794

#SPJ11

Answer:

A

Explanation:

Answer:

The experiment used water (H2O), methane (CH4), ammonia (NH3), and hydrogen (H2).

Explanation:

Table sugar is classified as sucrose. Table sugar is represented by the carbohydrate sucrose, which consists of glucose and fructose molecules linked together.

Among the options provided, sucrose is the correct example of a carbohydrate for table sugar. Sucrose is a disaccharide composed of one glucose molecule and one fructose molecule linked together. It is commonly found in various sweeteners, including table sugar derived from sugar cane or sugar beets.

Fructose, glucose, and galactose are all monosaccharides, which are single sugar molecules. Fructose is a naturally occurring sugar found in fruits and honey, while glucose is a primary source of energy for the body and is present in various foods. Galactose is a component of lactose, the sugar found in milk and dairy products.

Table sugar, or sucrose, is widely used as a sweetening agent in food and beverages. It provides a sweet taste and is often used in cooking, baking, and as a tabletop sweetener. When consumed, sucrose is broken down into its component sugars, glucose and fructose, by enzymes in the body to be utilized for energy or stored for later use.

Learn more about sucrose

https://brainly.com/question/211758

#SPJ11

Answer:

Crystal Form and Mineral Habit

Explanation:

Answer:

chuột đồng

I hope it's helps you

Vitamin A is a relatively small, lipid-soluble molecule that can behave as a hormone. Most likely its receptor involves a G protein.

What is Vitamin A?

Vitamin A is a crucial nutrient that is beneficial to human eyesight, a healthy immune system, and cell growth. It is known for promoting healthy vision, skin, and mucous membranes. Vitamin A Receptor: Vitamin A receptor is a type of nuclear receptor protein, it is a zinc-finger transcription factor.

Vitamin A receptor is a mediator of retinoid signals, which are in charge of regulating biological processes such as development, cell differentiation, and homeostasis. Vitamin A receptor binds the retinoic acid, which can modify the DNA transcriptional activity.

The receptor most likely to be involved in Vitamin A is a G protein. Lipid-soluble hormones are hormones that can diffuse into the cells. They bind to receptors inside the cells, which can then modify gene expression to produce a response.

G protein-coupled receptors are transmembrane receptors that are bound to a G protein. G proteins are a family of proteins that are activated by G protein-coupled receptors. They interact with effector proteins to produce second messengers. As a result, the response is sent via intracellular signaling pathways.

If you need to learn more about Vitamin A click here:

https://brainly.com/question/9179407

#SPJ11

Answer:

Non living structure of cell - vacuole, cell wall, chromoplast...

Living structure of the cell - cell membrane, Cytoplasm, nucleus...

Answer:

In 1609, using this early version of the telescope, Galileo became the first person to record observations of the sky made with the help of a telescope. He soon made his first astronomical discovery.

Answer:

These have been caused by many natural factors, including changes in the sun, emissions from volcanoes, variations in Earth's orbit and levels of carbon dioxide (CO2). Global climate change has typically occurred very slowly, over thousands or millions of years.

Explanation:

According to me there are several causes of climate change, but all the problems are based upon a major problem which is over population. Either it is deforestation, any kind of pollution, global warming or whatever it is, all these problems are inter-linked and all are due to increasing population.

Shampoo performs the same function on your hair as it does on cell membranes in this lab by breaking down the oils and dirt that are present.

In the case of hair, shampoo is able to break down the oils and dirt that are present on the hair shaft and scalp. This allows for the hair to be cleaned and for the oils and dirt to be washed away.

Similarly, in the case of cell membranes, shampoo is able to break down the oils and dirt that are present on the cell membrane. This allows for the cell membrane to be cleaned and for the oils and dirt to be washed away.

The main ingredient in shampoo that allows for this to happen is a type of molecule called a surfactant. Surfactants are able to break down oils and dirt because they have a hydrophobic (water-fearing) end and a hydrophilic (water-loving) end. The hydrophobic end of the surfactant is able to attach to the oils and dirt, while the hydrophilic end is able to attach to the water. This allows for the oils and dirt to be broken down and washed away.

In conclusion, shampoo performs the same function on your hair as it does on cell membranes in this lab by breaking down the oils and dirt that are present. This is made possible by the presence of surfactants in the shampoo, which are able to break down the oils and dirt and allow them to be washed away.

For more similar questions on surfactant:

brainly.com/question/15817583

#SPJ11

The total number of mitochondria is 1000 units of mitochondria.

\(4\pi r^{2}\)= 4 x 3.14 x \(10^{2}\) = 1257μm

10% of the cell area = \(\frac{1257 x 10}{100}\) = 125.7 = 126

\(4\pi r^{2}\)=  4 x 3.14 x \(0.1^{2}\) = 0.1256 = 0.126

Mitochondria- It's the power house of the cell responsible for ATP/Energy production, and also carry out several other important function to help in surviving of the cell.

To know more about Mitochondria, click on the below link,

https://brainly.com/question/18540744

#SPJ4

Answer:

True

Explanation:

they both do similar things the insects tend to trees and get eaten, and deer same so yea.