Explanation:
dbbdhdhdhxhxbxbbxbxbxbcbxbcbcchcbbcbcbcbcbcbcbccbcbcbbcbcbc
Answer:
The mechanical and chemical digestion of carbohydrates begins in the mouth. Chewing, also known as mastication, crumbles the carbohydrate foods into smaller and smaller pieces. The salivary glands in the oral cavity secrete saliva that coats the food particles. Saliva contains the enzyme, salivary amylase. This enzyme breaks the bonds between the monomeric sugar units of disaccharides, oligosaccharides, and starches. The salivary amylase breaks down amylose and amylopectin into smaller chains of glucose, called dextrins and maltose. The increased concentration of maltose in the mouth that results from the mechanical and chemical breakdown of starches in whole grains is what enhances their sweetness. Only about five percent of starches are broken down in the mouth. (This is a good thing as more glucose in the mouth would lead to more tooth decay.) When carbohydrates reach the stomach no further chemical breakdown occurs because the amylase enzyme does not function in the acidic conditions of the stomach. But the mechanical breakdown is ongoing—the strong peristaltic contractions of the stomach mix the carbohydrates into the more uniform mixture of chyme.
The speckled chicken on the right results from a cross between a black and white chicken. Explain what type of inheritance this would be, and draw a punnett square to show how this would happen.
Answer:
- Codominance
- 100% speckled chicken
Explanation:
This gene inheritance is called codominance, where both alleles can be expressed. In these cases, heterozygote individuals instead of showing an intermediate phenotype, express both alleles. Their phenotype is an additive expression of their parents' genes.
When two individuals, homozygous for a certain trait, are crossed they produce heterozygous individuals that express both alleles equally.
A typical example of codominance is the case of speckled chicken, the product of the cross of a black individual with a white individual. Black chickens (BB) only have this gene for feather color, while white chickens (WW) only have the gene for white feathers. When they cross, their progeny will have both genes (BW), and both of them will be expressed as speckled feathers.
Cross:
Parental) BB x WW
Black White
Gametes) B B W W
Punnet square) B B
W BW BW
W BW BW
F1) 100% BW, speckled individuals.
List the hormones released by the anterior pituitary gland. Identify which type of cell observed in this exercise releases each of the hormones.
The anterior pituitary gland, also known as the adenohypophysis, releases several hormones that regulate various functions in the body.
Here are the hormones released by the anterior pituitary gland and the cells responsible for their secretion:
Adrenocorticotropic hormone (ACTH): ACTH is released by corticotrophs, which are a type of cell found in the anterior pituitary gland. ACTH stimulates the production and release of cortisol from the adrenal glands.Thyroid-stimulating hormone (TSH): TSH is secreted by thyrotrophin. It stimulates the thyroid gland to produce and release thyroid hormones, including thyroxine (T4) and triiodothyronine (T3).Follicle-stimulating hormone (FSH): FSH is released by gonadotrophs. In females, FSH plays a role in the development and maturation of ovarian follicles. In males, it stimulates the production of sperm in the testes.Luteinizing hormone (LH): LH is also secreted by gonadotrophs. In females, LH triggers ovulation and stimulates the production of progesterone by the corpus luteum. In males, it stimulates the production of testosterone by the testes.Prolactin: Prolactin is released by lactotrophs. It plays a crucial role in the regulation of milk production and breastfeeding in females.Growth hormone (GH): GH is secreted by somatotrophs. It promotes growth and development in children and adolescents and regulates metabolism and tissue repair in adults.know more about pituitary gland here:
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Which two events take place during human sexual reproduction?
A. Fragmentation
B. Spore formation
C. Fertilization
D. Gamete formation
Answer and Explanation:
C...
Gamete formation and fertilization takes place during human reproduction. Therefore, option (C) and (D) are correct.
What is sexual reproduction in humans?Human fertilisation produces a human child via human reproduction, which is reproduction. It usually entails activity between a sexually mature male and female person.
Copulation, or sexual intercourse, involves the insertion of the erect into the vagina and the ejection of spermatozoa from the seminal fluid (semen) into the female genital tract. The ovum in the outer portion of the fallopian tube is subsequently fertilised by spermatozoa as they travel from the vagina via the uterus to the tube.
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Most articles pass right through the atom, this means that most of the atom is
Most articles pass right through the atom, this means that most of the atom is an empty space.
What is an atom?An atom is described as a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
Protons and neutrons make up the core nucleus of an atom, which is encircled by an electron cloud. In relation to the size of the atom as a whole, the nucleus is exceedingly small.
As a result, the electrons surrounding the nucleus are the primary target of interactions when particles or even light pass through an atom. The majority of the atom's remaining space, which includes the nucleus, is vacant.
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Suppose in a strain of soybeans, high oil (H) content in the seeds is dominant to low oil content and four seeds (E) in a pod is dominant to two seeds in a pod. A farmer crosses two soybean plants, both with (High oil / four seeds: High oil / two seeds: Low oil / four seeds: Low oil / two seeds). What genotype were the parent plants?
The genotype of the parent plants in this cross is HhEe.
Based on the given information, we can determine the genotypes of the parent plants by examining the phenotypes of their offspring.
Let's denote the high oil content allele as H and the low oil content allele as h. Similarly, let's denote the four seeds allele as E and the two seeds allele as e.
The given parent plants have the following phenotypes:
- High oil / four seeds (unknown genotype)
- High oil / two seeds (unknown genotype)
- Low oil / four seeds (unknown genotype)
- Low oil / two seeds (unknown genotype)
From this information, we can deduce the possible genotypes of the parent plants by analyzing the inheritance patterns observed in their offspring.
If we cross two plants with the genotype HhEe (High oil / four seeds), we would expect the following ratios in their offspring:
- High oil / four seeds: 9/16
- High oil / two seeds: 3/16
- Low oil / four seeds: 3/16
- Low oil / two seeds: 1/16
Since the observed ratio matches the given phenotypes of the parent plants, it is likely that both parent plants have the genotype HhEe (High oil / four seeds).
Therefore, the genotype of the parent plants in this cross is HhEe.
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Will give brainliest, a THX, a friend request, and will rate ur answer
Please answer me fast as possible,
THX
Answer:
The answer is: 3 tennis balls because there will be 4 ping pong balls used for every model and 12/4=3
Explanation:
Answer:
Here ya go!
Explanation:
You would need only 2 tennis ball to complete the model. By splitting each tennis ball in half you will now have 4 parts. I have already glued the 12 ping pong ball together in a circular shape. I would then just glue the parts of the tennis balls on the ping pong mass is reference to the picture shown.
How does slow movement aid sloths in acquiring food?
Answer:
Sloths are so slow moving that algae is able to grow symbiotically in their fur. This algae can be licked out of the sloth's fur to provide it with nourishment.
Explanation:
The slow movement aid sloth in acquiring food, as slow and limited movements need less food and nutrition. It also helps in digesting food and the metabolism also works slowly.
What are sloths?Sloths are arboreal Neotropical mammals that are very slow-moving and are herbivores, they eat leaves and algae, and twigs. They live in evergreen forests and tropical rainforests.
They are so slow that algae grow above their furs, which helps them camouflage between green forests from predators. Because they are quite adept at concealment. They not only live nearly entirely in trees and only venture out if absolutely necessary, but they also harbor algae in their fur that help them blend in.
Therefore, due to their limited and slow movements, sloths require less food and nutrition when foraging for food. Additionally, it aids in food digestion and slows down metabolism.
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What happens to the products of the Krebs cycle?
Answer:
pyruvate is broken down in a series of reactions to form CO2
Explanation:
Why is it hard for us to understand how a singularity works?
(1 point)
O The theory of relativity returns answers of 0 approaching a singularity.
O Quantum mechanics can only study objects less massive than 1 AU.
Mathematical equations break down and return answers of infinity approaching a
singularity.
O
We need more powerful telescopes that can see smaller objects to capture a
singularity on film.
Please help
Answer:
Mathematical equations break down and return answers of infinity approaching a singularity.
Explanation:
why do leukocytes have a nucleus
Answer:
so they can squeeze through blood vessels more quickly.
Explanation:
Some white blood cells have nuclei that are lobed, or separated into pieces, Other white blood cells act as factories making anti-germ weapons and need big nuclei to store the DNA to make those weapons.
Why are girls more likely than boys to be victims of cyberbullying
Girls are more verbal than boys and more likely to use words to hurt than fists. Previous studies have found that girls are more likely to cyberbully than boys while boys are more likely to be physical. When you look at overall bullying, girls are still significantly higher than boys (but most of that increase comes from the online or by text).
Hopefully this helped! :D
-LavenderVye
Compare and contrast a fossil with a trace fossil
HELP FAST PLS!
Which of the following is the best measure of an ecosystem's sustainability?
a.
locations on Earth
b.
amount of organisms
c.
type of climate
d.
level of biodiversity
In an ecosystem, biodiversity plays a major role to measure sustainability for the preservation or restoration of the ecosystem, hence option d is correct.
What is the ecosystem's sustainability?The ability to self-regulate and adapt to changing conditions, such as the worldwide accumulation of carbon dioxide, are a few variables that may be stated to boost an ecosystem's sustainability.
The preservation or restoration of ecosystem processes, including the diversity of plant and animal populations and the ecological systems' productive capability, is referred to as ecological sustainability.
The three fundamental pillars of sustainability are economic, environmental, and social.
Therefore biodiversity is best for the measurement of the ecosystem's sustainability, hence option d is correct.
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name two poor farming practices that affect water supply
(HELP FAST) A slanting, horizontal line is shown. On the extreme left, there is a label that says Common Ancestor. Along the slanting, horizontal line there are five dots labeled from left to right as: 1, 2, 3, 4, and 5. There is one vertical line between each of the consecutive five dots. The lines are labeled from left to right as Perch, Frog, Pigeon, Rats, and Human. A text box below the branching tree diagram is labeled Derived Shared Characteristics. In the box it says from left to right Terrestrial during all stages, Jaws, Walking on two legs, Mammary glands and hair, and Four limbs.
Look at the possible derived shared characteristics, shown in the text box. Think about where these should be placed along the branching tree diagram. Where in the branching tree would you most likely write "lives on land during all life stages"? Explain your answer.
"The derived shared characteristic 'Terrestrial during all stages' should be placed at the base of the tree diagram."
SupThe characteristic "Terrestrial during all stages" is a shared characteristic among all five species being compared in the branching tree diagram. This means that it is a characteristic that all of these species have in common, and therefore it is likely that it was present in their common ancestor.
Since the base of the tree represents the common ancestor of the species being compared, it makes sense to place this characteristic at the base of the tree. This also helps to show that this characteristic is a defining trait of the group of species being compared and that it has been present in their lineage since their common ancestor.
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explain the process that causes dew to form on the blades of grass
Which specific process in the light-dependent reactions produces oxygen and hydrogen ions?
Answer:
The splitting of water
Explanation:
Which specific process in the light-dependent reactions produces oxygen and hydrogen ions is the splitting of water.
Why is it important to collect data within a range of similar time periods?
Answer: to make sure that your getting all the right information for your needs
Explanation:
Which statement about chromosomes and biological sex is correct?
Males are XX
Females are XY
Males are XY
Answer:
Males are XY
Explanation:
When looking at the male karyotype, we can see that the last set of chromosomes (the sex chromosomes) is composed of a full-sized chromosome and a smaller, half-sized chromosome. The full-sized chromosome is called an X chromosome and the half-sized chromosome is called a Y chromosome. Males are XY and females are XX. I hope this helps :)
what is the main function of decomposers in a food web?
What determines the type of animals that live in a biome? *
1 Soil and Rocks
2 The plant life
3 Latitude and altitude
4 None of these
Answer:
Plant Life
Explanation:
Due to the fact that prey outnumbers predators in all biomes, plant life is critical. Most prey are herbivores and this would contribute to the essential need for plant life. When it comes to predators, who are almost all carnivores, they may not need the plant life for food, but instead for shelter, hiding, and raising offspring.
Hope this helps :)
where do land plants get the water that they use in photosynesis
Answer:
Land plants get the water they use in photosynthesis from the soil through their roots.
Land plants obtain water for photosynthesis from the soil, which is absorbed through their roots and transported to the leaves through the xylem.
Land plants obtain water for photosynthesis primarily from the soil. The process involves a series of steps that enable water uptake and transportation within the plant. First, plant roots, equipped with root hairs, extend into the soil and absorb water through osmosis. This occurs because the concentration of dissolved substances, such as minerals, in the root cells is higher than that in the surrounding soil.
Water moves from the roots to the xylem, which is a specialized tissue responsible for transporting water and nutrients throughout the plant. This upward movement is facilitated by a combination of root pressure, capillary action, and most importantly, transpiration. Transpiration is the loss of water vapor from the plant's leaves through small openings called stomata. As water evaporates from the leaf surfaces, it creates a negative pressure gradient that pulls water up through the xylem from the roots.
Once water reaches the leaves, it is utilized during photosynthesis. The water molecules are split during the light-dependent reactions, releasing oxygen as a byproduct and providing electrons for the production of ATP and NADPH, which are essential for the light-independent reactions (Calvin cycle).
In summary, land plants rely on their roots to absorb water from the soil, which is subsequently transported through the xylem to the leaves where it is utilized in the process of photosynthesis.
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Which idea is not in the correct position on the chart?
A. Biomass Fuels
B. Natural gas
C. Wind
D. Geothermal energy
*If you cant read the top of the chart it says:
Alternative Energy Sources | Fossil Fuels*
Answer:
Biomass Fuels, Geothermal energy
Instructions: Read the information below and answer the following questions in the space provided. Be sure to write your responses in complete sentences.
Hugo put two cups of tea on a table. The amount of tea in each cup was the same, but one cup was ceramic and one cup was copper. This table shows how the temperature of each cup of tea changed over 12 minutes.
Answer each question below in complete sentences. (2 pts)
Part A: Identify each cup material as either a conductor or insulator. (2 pts)
Part B: The next time Hugo drinks tea, he does not want it to cool down quickly. Which type of cup should he use to minimize the rate of thermal energy transfer out of the cup of tea? Use specific evidence from the table to explain your answer. (2 pts)
Answer:
Part A) The ceramic cup is an insulator and the copper cup is a conductor.
Part B) The ceramic cup would minimize the rate of thermal energy transfer out of the cup of tea. this is because in the chart the final temperature of the copper cup was much lower than the final temperature of the ceramic cup.
The ceramic cup is an insulator and the copper cup is a conductor.
What are a conductor and insulator?
Electric current can easily flow in a conductor, but cannot do so in an insulator. While most non-metallic solids are considered to be good insulators due to their exceptionally high resistance to the flow of charge through them, metals like copper are typical conductors.
B) The ceramic cup would slow down the rate at which heat energy is lost from the tea. This is due to the fact that the copper cup's final temperature in the chart was substantially lower than the ceramic cup's final temperature.
Therefore, the copper cup is a conductor, while the ceramic cup acts as insulation.
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state the average value of GFR
Since GFR decreases with age , then the average value of GFR will be 90 to 120mL/min/1.73 m2
What is GFR?
GFR (Glomerular Filtration Rate) can be said to be the amount of plasma entering Bowman’s capsule per minute. It is the renal plasma flow × the fraction that enters the renal capsule (19 percent).578*0.19 = 110 mL filtrate/min. Glomerular filtration rate (GFR) is referred to as a blood test that checks to control how well your kidneys are working.
What is a normal GFR?We can deduce from the National Kidney Foundation, normal results range from 90 to 120 mL/min/1.73 m2. Older people will have lower than normal GFR levels, since GFR decreases with age
How can I improve my GFR?In other to improve and have a healthy GFR it is important to avoid regular in-take of processed foods and choose fresh fruits and vegetables instead. Following a low-salt diet is essential because of it effect on blood pressure.
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define kinetic energy and thermal energy. Describe what happens to each as the temperature of a substances increases.
Explanation:
All matter is made up of particles that are constantly moving. The motion of the particles results in kinetic energy. The part of total internal energy that can be transferred is thermal energy. As temperature increases, the particles in a substance move faster and have greater kinetic and thermal energy.
Answer:
All matter is made up of particles that are constantly moving. The motion of the particles results in kinetic energy. The part of total internal energy that can be transferred is thermal energy. As temperature increases, the particles in a substance move faster and have greater kinetic and thermal energy.
Explanation:
Which of the following statements best describes the relationship between * 1 point
genes and their outcomes?
Every gene influences a single trait.
Similar genes produce the same outcome in every individual.
O Every gene can be linked to one specific, predictable outcome.
The outcome of a gene is affected by the environment of the cells and the timing of
gene expression.
The outcome of a gene is affected by the environment of the cells and the timing of gene expression.
What is the role of gene in determining traits?Genes play a role in determining traits and they do not act alone because they are subject to environmental influences and gene regulation.
The expression of a gene can be affected by a variety of factors, including external environmental factors and the internal of the cell. Therefore, genes do not always produce a single, predictable outcome and their effects are often influenced by a variety of factors.
Thus, the statement "The outcome of a gene is affected by the environment of the cells and the timing of gene expression" best describes the relationship between genes and their outcomes.
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What is the acceleration? –0.4 m/s2 –0.2 m/s2 0.2 m/s2 0.4 m/s2
Answer:
the answer is c
Explanation:
Answer:
C. 0.2 m/s2
Explanation:
on edge
Why does the Department of Homeland Security target foot-and-mouth disease?
The bottom- and- mouth complaint contagion has been honored since at least the 16th century.
It's characterized by fever, pocks on the bases and mouth, loss of appetite, drooling and lameness. Infected herds of creatures are generally destroyed.Large quantities of the contagion are present in all body concealment, including breath, and are readily transmitted to other creatures. The contagion can also survive on the ground for extended ages of time and can be transferred on tires, thrills and clothes. It has indeed been shown to be carried long distances by wind.The United States has been free of the complaint since 1929, but that isn't a guarantee it'll not return. Britain was free of the complaint for 34 times before a 2001 outbreak that needed the destruction of 10 million cows.FMD contagion is largely contagious in cloven- mashed creatures, including cattle, gormandizers, small ruminants. Encyclopedically, FMD has a significant impact on beast trade economics and expansive nonsupervisory programs live in the U.S. to grease identification of, response to, and control of the complaint. With one in nine Americans employed in the husbandry or confederated diligence, the goods of an FMD outbreak in the U.S. would be ruinous – estimated at nearly$ 200 billion in lost profit over 10 times across affected diligence.
Therefore the Department of Homeland Security target foot-and-mouth disease.
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Feed a mouse a death cap mushroom. Two hours later, take out its liver and do RNAseq on it. What would you expect the data to show
Answer:
The difference of how you feed a mouse like how much it eats each and every hour