how you know that horses are related to other animals?

Like other plants, hibiscus bushes have unique features that enable them to get the oxygen they require for cellular respiration.

Stomata, which are microscopic apertures on the leaves that permit gas exchange between the plant and the environment, are the primary organs in charge of oxygen absorption in plants. To control the movement of gases into and out of the plant, guard cells, which surround these stomata, govern their opening and shutting.

Gases can travel between the stomata and the remaining plant tissues through these air gaps. Altogether, these modifications enable hibiscus bushes get the oxygen plants require for cellular respiration, which is essential for their development and survival.

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Answer:

C-through mitosis for the first one and    

A- differentiation for the second

Explanation:

Answer:

The types of waves that emanate from and earthquake are the body waves (P-waves and S-waves), and the surface waves. The surface waves travel along the suface, and are are the slowest, even though they do the most damage in an earthquake. While the P-waves travel the fastest through solids, liquids, and gases. S-waves, however only travel through solids.

Explanation:

Hope that helped hun <3

Answer:

I'm pretty sure orange, blue, red and yellow.

Answer:

Green light

Explanation:

Hope this helps :)

Answer:

D

Explanation:

Plants absorb carbon dioxide by photosynthesis

Answer:

D

Explanation:

Answer:

See the explanation below. Thanks!

Explanation:

The structure of an amino acid allows it to act as both an acid and a base. An amino acid has this ability because at a certain \(pH\) value (different for each amino acid) nearly all the amino acid molecules exist as zwitter-ions. If acid is added to a solution containing the zwitter-ion, the carboxylate group captures a hydrogen (\(H^+\)) ion, and the amino acid becomes positively charged. If base is added, ion removal of the \(H^+\) ion from the amino group of the zwitter-ion produces a negatively charged amino acid. In both circumstances, the amino acid acts to maintain the pH of the system—that is, to remove the added acid \((H^+)\) or base \((OH^-)\) from solution.

Answer: a force is any interaction that, when unopposed, will change the motion of an object. ... Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity

make as brilliant student pls

Answer:

force is a energy

magnetic force

The human body has roughly 270 bones at birth, but some of these bones fuse together as the child develops. As a result, adults have less bone mass than children.

Because some bones combine to form one bone as children age, babies have more bones than adults do. Babies have more cartilage than bone, which explains this. Around 305 bones are present in newborns

The two main components of the crystalline component of bone, calcium and phosphate, are necessary for normal bone development and mineralization. Rickets and/or osteomalacia can be caused by insufficient mineralization.

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Answer:

True nucleus and organelles.

Explanation:

The main difference between Prokaryotic cells and Eukaryotic Cells are given below.

Prokaryotic cells have no true nucleus while Eukaryotic Cells have true nucleus. true nucleus means that membrane is surrounded the nucleus which clearly show the nucleus. Prokaryotic cells have no organelles while eukaryotic cells have organelles which perform specific function in the cell. these organelles are plasma membrane,  ribosome, mitochondria, vacuoles, cytoskeleton, plastids and endoplasmic reticulum.

True nucleus and organelles.

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information.

Thus, the True nucleus and organelles are the answer.

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Answer:

allele

Explanation:

An allele can be defined as a variant of a gene localized at the same locus or chromosome position. These gene variants may encode the same protein (when different alleles encode the same protein sequence) or different protein variants (when nucleotidic differences encode distinct protein sequences). It is important to note that the diploid organisms (like humans) have two alleles for each gene, which are localized on homologous chromosomes.

A version of a gene is called an allele. Genes are sections of DNA that hold the instructions needed to make certain proteins or useful RNA molecules. Hence the correct option is A.

Alleles are distinct versions or variants of a gene that can cause changes in the trait or feature the gene controls.

Alleles are found at specific locations on chromosomes known as loci. Each gene is present in two copies in humans, one from each parent.

As a result, a person might be heterozygous (having two copies of the same allele for a given gene) or homozygous (having two copies of two distinct alleles).

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Answer:

80

Explanation:

Its diploid chromosome number would be 80 since you are supposed to double the number of chromosomes, and in this case, there are 40, when you double it (times 2) you get 80.

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Have a supercalifragilisticexpialidocious day!

If a male shark has 40 chromosomes in each of its sex cells, its diploid chromosome number is found to be 80. Thus, the correct option for this question is C.

Chromosomes may be defined as the thin, thread-like structure that appears in the nucleus of the cell during the process of cell division. These structures consist of DNA, RNA, histones, and nonhistone proteins. Chromosomes were discovered by E. Strasburger in 1875.

The germ cells or the sex cells of the human are divided through the process of meiosis. These cells contain half the number of chromosomes as compared to the parental cells because they are haploid (n) in nature.

On the other hand, the diploid (2n) contains the exact number of chromosomes as compared to the parental cells.

Therefore, if a male shark has 40 chromosomes in each of its sex cells, its diploid chromosome number is found to be 80. Thus, the correct option for this question is C.

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The statement is true about epinephrine:

Epinephrine is a drug to treat very serious allergic reactions (anaphylaxis) due to insect bites, consumption of food or drugs, or exposure to other substances.

Pharmacologically, epinephrine or adrenaline works by stimulating the sympathetic nerves via alpha and beta-adrenergic receptors. This drug has a rapid onset and short duration of action when administered parenterally or intraocularly.

Its action on alpha-1 receptors causes vasoconstriction making it the drug of choice when hypotension due to septic shock occurs, especially because of its rapid onset (less than 5 minutes). Meanwhile, its action on beta receptors causes relaxation of bronchial smooth muscles, so this drug can also overcome tightness, wheezing, and bronchospasm in anaphylaxis.

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The checkpoint that tests the functionality of the recombined beta chain of the pre-T cell receptor (pre-TCR) is:

c. Beta selection.

During beta selection, thymocytes undergo a checkpoint where the functionality of the recombined beta chain of the pre-TCR is assessed.

This checkpoint is crucial for ensuring that the developing T cells have a properly functioning TCR complex before progressing to the next stages of T cell development.

It helps select T cells that can interact with self-major histocompatibility complex (MHC) molecules and receive the necessary signals for survival and maturation.

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When people have phenylketonuria, their symptom is a loss of function of the phenylalanine hydroxylase gene while their phenylalanine may be seizures or an intellectual disability.

Phenylketonuria (PKU) is a disease of phenylalanine (Phe) metabolism that frequently outcomes in epilepsy if a low Phe diet turned into no longer carried out at the beginning. The mechanisms by which Phe affects the brain are poorly understood.

Phenylalanine can accumulate to harmful levels, which can reason irreversible highbrow disability, seizures, developmental delay, and behavioral problems. PAH deficiency causes a spectrum of problems ranging from extreme to nearly asymptomatic.

PKU can harm the mind and fear device, which can cause gaining knowledge of disabilities. other signs of untreated PKU include behavioral problems including frequent temper tantrums and episodes of self-damage. Phenylalanine is metabolized into acetoacetic acid and fumaric acid thru tyrosine. A tyrosine metabolite, DOPA, is converted into the neurotransmitters epinephrine and norepinephrine. a scarcity of those neurotransmitters is a causal issue in Parkinson's ailment and schizophrenia.

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The characteristic of vertebrate nervous systems is that they have a distinct central nervous system consisting of a brain and spinal cord. So, the LAST option is accurate

In vertebrates, including humans, the nervous system is composed of two main components: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord, while the PNS includes the nerves that extend from the CNS to the rest of the body.

The brain serves as the main control center, responsible for processing and integrating sensory information, coordinating motor functions, and regulating various bodily processes. The spinal cord, an extension of the CNS, connects the brain to the peripheral nerves and plays a vital role in relaying sensory and motor signals between the brain and the body.

While vertebrate nervous systems may also have homeostatic control centers within the brain and spinal cord, the presence of a distinct CNS comprising the brain and spinal cord is the defining characteristic.

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Answer:

D sounds right to me

Explanation:

Answer:

Found this on google, "Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. ... On the other hand, velocity is a vector quantity; it is direction-aware. Velocity is the rate at which the position changes."

The answer to your question is D)D Velocity is the change in speed over time, while speed is the change in distance over. Sorry if i am incorrect.

Hope this helps, have a nice day and stay safe!

Happy Halloween, have a good weekend! :) :D

Answer:

f2

Explanation:

Answer:

I think your answer would be D. All of These.

Explanation:

All of them are needed.

Answer:

Plant biochemistry.

Plant ecology.

Plant evolution.

Plant physiology.

Plant anatomy and morphology

Answer:

In the Punnett square below we are crossing a pure red flower (RR) with a pure white flower. Under incomplete dominance, all of their offspring would be pink. However, as mentioned above, with incomplete dominance the two parent phenotypes are blended together in the offspring.

Explanation:

I majored in Biology

We can identify the genotype by utilizing the Punnett square. It is a square diagram that is utilized to predict the genotypes of a specific breeding experiment. The allele pair is what we see at a specific genetic locus.

Part 1 Procedure:

1. Flip a coin twice to determine the genotype for each trait and record it in the data table. Heads = allele 1, Tails = allele 2 (Example: if you flipped heads twice, your monster will have two copies of allele 1 for his genotype.)

2. Determine the phenotype resulting from the allele pair for each trait.

3. Repeat steps 1‐2 for each trait and complete the female monster’s Table 1.For the procedure part in a we must flip a coin twice to determine the genotype for each trait.

Heads = allele 1, Tails = allele 2.

For instance, if we flipped heads twice, our monster would have two copies of allele 1 for his genotype.

Next, we need to determine the phenotype resulting from the allele pair for each trait. We must repeat steps 1‐2 for each trait and complete the female monster’s Table 1.We can identify the genotype by utilizing the Punnett square. It is a square diagram that is utilized to predict the genotypes of a specific breeding experiment. The allele pair is what we see at a specific genetic locus.

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The origin of plants in the UAE's desert can be traced back to the region's geological history, climate, and geographical location. The UAE has a desert climate characterized by high temperatures, low precipitation, and extreme aridity, making it one of the most challenging environments for plant growth.

However, despite these harsh conditions, the desert regions of the UAE are home to a rich and diverse array of plant species, many of which have adapted unique features to survive in this extreme environment. Some of the common plant adaptations include water storage organs, deep root systems, waxy leaves, and succulent stems.

The origin of these plant species can be traced back to different periods of the UAE's geological history. During the Tertiary period, the Arabian Peninsula was covered by dense forests and grasslands. As the climate became drier, these forests were replaced by shrublands, and eventually, the desert environment that we see today.

Many of the plant species found in the UAE's desert have evolved over millions of years to maximize their water usage and minimize water loss, enabling them to withstand the extremes of the desert environment. Additionally, human activities, such as agriculture and horticulture, have introduced non-native plant species to the region over the years.

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Answer:

B

Explanation:

use the calculator to find the value of √55 ≈ 7.4

7.6 is greater than 7.4 so

7.6 > √55

Explanation:

In the given question, the digestion of monosaccharides has been discussed and the steps of digestion in the digestive system are:

1. The digestion of carbohydrates begins in the mouth where amylase breaks down the starch.

2. The sugars are not completely digested in the mouth therefore they travel from mouth to the stomach.

3. In the stomach, there are no enzymes to digest the sugars.

4. Then, food enters the intestine where intestinal secretions breakdown the sugars.

5. The intestinal juice breaks down the oligosaccharides into diassacharides and these disaccharides are further broken down by maltase, sucrase and lactase.

6. After this, the monosaccharides are formed and these are easily absorbed into the bloodstream.

7. Pancreatic amylase breaks down starch into monosaccharides.

This completes the digestion of the carbohydrates.

The distance  of moth can be calculated as 330m/s × 0.04 seconds

Hence the distance is 13.2 meters.

The bats uses ultrasound to snap a prey with the help of reflection of sound waves. The bats produce the ultrasonic wave that gets echoed from the prey and approaches to the bats' ears. This helps the bat to find out the distance of the prey.

Bat uses to emit high-frequency ultrasonic waves which are too high for the  humans to hear. These process in called as echolocation organ named  cochlea, a large spiral cavity in the inner ear, is sensitive to a broad hearing range and finely tuned for the returning echoes.

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The DNA isolation process, an alcohol such as ethanol or isopropanol is added to the extraction solution. This causes the proteins and carbohydrates to precipitate out of the solution while the DNA remains in solution.

The DNA can then be separated from the alcohol and purified for further analysis. the DNA isolation process, the substance that causes proteins and carbohydrates to precipitate out, allowing the DNA to remain in solution, is the salt. The salt helps to neutralize the charges on proteins and carbohydrates, causing them to clump together and precipitate, while the DNA remains in solution due to its negatively charged phosphate backbone. This separation is a crucial step in the isolation process to obtain pure DNA.

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The statement about the average brain size of Homo erectus was actually larger than the people they had replaced is true because the average brain size of Homo erectus is 50% larger than Homo habilis, their predecessors.

This makes the correct answer to this question (A) true.

The аdult Homo erectus brаin size rаnged from аround 750 to 1250 cm³, аverаging аbout 930 cm³.  This wаs only аround 69% the size of modern humаn brаins on аverаge but 50% lаrger thаn Homo hаbilis.  The upper end of the Homo erectus brаin size rаnge overlаpped thаt of modern people.  However, the lаrger brаined Homo erectus mostly were relаtively lаte in time аnd аre considered by some pаleoаnthropologists to be а more recent humаn species (Homo heidelbergensis or eаrly аrchаic humаns).

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