10 (a) Explain what is meant by translocation in plants.[4]
(b) Describe how systemic pesticides may be used to control a named pest.[4]
(c) Discuss the advantages and disadvantages of using chemicals to control pests.[7]


11 .For a named farm animal (not poultry):
(a) draw a labelled diagram to show the structure of the female reproductive system. [9]
(b) discuss the advantages of using Artificial Insemination (Al) compared with the natural service of the female animal. [6]​

The Ferris wheel spins upwards with the help of gears and motors, while gravity pulls the wheel back down again

d. by rolling ( ✔ )

Explanation is\(^{}\) in a file

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Answer: True

Explanation:

Similar traits and features due to common ancestry are known as homology. By studying the homology of organisms, we can infer how they are related. The more similarities organisms share, the more closely related they likely are.

The fields of anatomy and physiology has changed over time by the use of easier techniques and findings and what led to these changes are technological and societal advancements.

This is referred to as the branch of biology which is concerned with the study of the structure of organisms and their parts and also deals with the structural organization of living things.

Technological advancements have made scientists to perform new investigations and test new ideas they may not have been able to do in the past thereby making work easier and effective is what has led to the changes experienced in the field of anatomy and physiology.

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The nitrogen cycle is important to humans in the following way: it converts nitrogen into a form that humans can obtain by eating other organisms (option B).

Nitrogen cycle is the natural circulation of nitrogen in a series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.

During the nitrogen cycle, atmospheric nitrogen is converted to nitrogen oxides by lightning and deposited in the soil by rain, where it is assimilated by plants and either eaten by animals (and returned as faeces) or decomposed back to elemental nitrogen by bacteria.

The usable form of nitrogen that is assimilated by plants becomes accessible to humans when they consume the plants, hence, depicting the importance of the nitrogen cycle.

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Answer:

1

Explanation:

Answer:

Answer: The value of 30% as a fraction in simplest form is 3/ 10.

Explanation:

RNA growth is always in the 5′ → 3′ direction: in other words, nucleotides are always added at a 3′ growing tip, . Because of the ANTIPARALLEL nature of the nucleotide pairing, the fact that RNA is synthesized 5′ → 3′ means that the template strand must be oriented 3′ → 5′.

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D. Hawks are larger than woodpeckers, so a pyramid of numbers for this community would have more secondary consumers than tertiary consumers.'' is considered the correct statement.

A pyramid of biomass indicates the amount of biomass at each trophic level instead of the population. The biomass goes down from one trophic level to the next level just like the amount of energy which leads the pyramid to get narrower towards the top. A biomass pyramid is the representation of a total number of biomass or organic matter present at different trophic levels present in an ecosystem. Biomass can be calculated as the mass of organisms present at each trophic level in a given sample. In the pyramid, the bottom part has the highest number of organisms whereas the top portion has the least number of organisms.

So we can conclude that option D is the right answer.

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The statement which provides evidence that contradicts this claim is that Hawks are larger than woodpeckers, so a pyramid of numbers for this community would have more secondary consumers than tertiary consumers and is denoted as option D.

This shows the total number of individual organisms at each level in the food chain of an ecosystem.

A pyramid of numbers for this community will not have the same shape as its pyramid of biomass because hawks are the largest and there will have to be more tertiary consumers but in this case they are the least.

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Winds blowing across the ocean water result in the formation of waves and surface currents.

Twists blowing across the sea surface can bring about a few impacts. The rubbing between the air and the water, right off the bat, causes the exchange of energy, making waves or little waves known as wind waves. These breeze waves can then combine and form into bigger waves over the long haul. Also, the power of the breeze can create surface flows, pushing the water toward the overarching wind. These flows, known as wind-driven flows or surface flows, assume a urgent part in reallocating intensity and supplements inside the sea. They can likewise impact the development of marine organic entities and add to the arrangement of maritime highlights, for example, upwelling and beach front upwelling.

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The picture shows protein being formed.

The picture is an illustration of how polypeptide bonds are formed between the amino acid molecules to form a macromolecule known as protein.

Proteins are polymers of amino acids. Two or more amino acids must condense together in order for a protein to be formed. In order for this to happen, the carboxylic group of an amino acid reacts with the amine group  of another amino acid. Thus, the 2 amino groups become linked and water is eliminated.

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Answer:

II. disruption of a hydrogen bond that stabilizes the R conformation

IV. loss of oxygen binding capacity per hemoglobin tetramer

V. decreased formation of salt bridges involving the C-termini of the alpha and beta chains when the protein is deoxygenated.

Explanation:

Answer: Covalent Bond

Explanation: A covalent bond occurs when electrons are shared between two atoms, in this case the hydrogen atom is sharing an electron with the oxygen atom, creating a strong covalent bond.

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Answer:

In DNA and RNA, guanine forms three hydrogen bonds with cytosine. Three bonds are formed between these bases as a result of the fact that guanine possesses two nitrogen and one oxygen atoms that can form hydrogen bonds. Given the spatial restrictions of the double helix, which call for there to be one purine and one pyrimidine in each base pair, A always pairs with T and G always pairs with C as these are the only combinations that for hydrogen bonding to take place.

1. I used 1 gallon of water each time I washed my hands. This means that I used 7 gallons of water in a week and 365 gallons of water in a year.

2. I used 1 cup of water each time I brushed my teeth. This means that I used 7 cups of water in a week and 365 cups of water in a year.

In science, a hypothesis is an educated guess about how things work. It is a statement that can be tested to see if it is true. A hypothesis is not a fact, but it is a starting point for scientific inquiry.

3. The Florida site suggests that we all cut our water use by 10%. To cut my water use by 10% for washing my hands, I could turn off the faucet while I am lathering my hands with soap. To cut my water use by 10% for brushing my teeth, I could turn off the faucet while I am rinsing my mouth. I could also brush my teeth with less water.

4. My showers were each 10 minutes long. If I cut two minutes off each shower, I would save 2 gallons of water each time I shower. This would save me 140 gallons of water in a year. This is a feasible option for me because I do not need to shower for 10 minutes to get clean.

5. I do not take baths.

6. I could help conserve water for my entire household by fixing any leaks in the pipes. I could also install low-flow faucets and showerheads. I could also encourage my family to take shorter showers and to turn off the faucet while they are brushing their teeth.

7. Some suggestions from the course activity website that my family could follow to save water include:

8. My hypothesis was that I would use more water than I actually did. My actual water use was much lower than I expected. This is because I took steps to conserve water, such as turning off the faucet while I am lathering my hands with soap and while I am rinsing my mouth. I also brushed my teeth with less water.

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Answer:

During the process of photosynthesis,lights penetrates the cell and passes into the chloroplast. The light energy is intercepted by chlorophyll molecules on the granal stacks. Some of the light energy is converted to chemical energy. During this process, a phosphate is added to a molecule to cause the formation of ATP.

Explanation:

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Robert Welsch, a coauthor, focused on mask collectors, villagers, and museum collections as a result of using the comparative approach during his research in Papua New Guinea. Therefore, option b is right.

In anthropology, the comparative method helps the researcher to test hypotheses about the relations between the aspects of cultural systems by using data and information from other societies. This helps them to make comparisons between people and their past and present culture, related species, and fossils. This helps to understand one's customs and culture by studying their cultural background.

By speaking with village elders in several villages, reading published and unpublished descriptions of mask collectors who visited various villages, and examining museum collections, the coauthor Robert Welsch can understand the villagers in Papua New Guinea.

The complete question -

The application of the comparative method in his research in Papua New Guinea led coauthor Robert Welsch to focus on

(a) published and unpublished accounts of mask collectors who visited different villages

(b) all of the answers are correct

(c) interviews of village elders in different villages

(d) museum collections

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Answer: False

Explanation: Because a story can be told with actions or signals.

Answer:

False

Explanation:

Stories can be told with an object or a series of photos not exclusively words. I hope that this helps :)

During cellular respiration, a cell generates ATP, which is subsequently utilized to facilitate the movement of a molecule across the cell membrane. The stored energy in the glucose is used to produce ATP that can be converted to mechanical energy when the molecule moves across the cell membrane. Thus, the correct answer is Option 1.

During cellular respiration, a cell breaks down glucose into ATP, which acts as the energy currency in the cell. This ATP is then used to power cellular activities, including the active transport of molecules across the cell.

When glucose enters cellular respiration, its stored energy is slowly released and taken up as ATP. This energy conversion is mediated by a series of chemical reactions that occur during the stages of cellular respiration, such as glycolysis, the citric acid cycle, the electron transport chain and the breakdown of glucose and ultimately produce ATP molecules.

Once ATP is produced, it can be used by specific proteins called transporters or pumps built into the cell. These transporters harness the energy stored in ATP and use it to move molecules aggressively through the cell, against their increased concentration This movement requires an energy input and is essential for cellular internalization in various processes such as nutrient uptake, waste removal and signal transduction.

Therefore, the correct answer is Option 1.

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The correct answer is Option  a. The stored energy in the glucose is used to produce ATP that can be converted to mechanical energy when the molecule moves across the cell membrane.

During cellular respiration, glucose is broken down in a series of enzymatic reactions in the presence of oxygen. This process occurs in multiple stages: glycolysis, the Krebs cycle (also known as the citric acid cycle or tricarboxylic acid cycle), and the electron transport chain.

In glycolysis, glucose is converted into pyruvate, generating a small amount of ATP and NADH. Pyruvate then enters the mitochondria, where it is further metabolized in the Krebs cycle, resulting in the production of more ATP and electron carriers (NADH and FADH2). These electron carriers donate their electrons to the electron transport chain, located in the inner mitochondrial membrane.

The electron transport chain uses the energy from the electrons to pump protons across the membrane, creating an electrochemical gradient. This gradient is used by ATP synthase to produce ATP from ADP and inorganic phosphate through a process called oxidative phosphorylation.

Once ATP is generated, it can be utilized by the cell to perform various energy-requiring processes, such as active transport of molecules across the cell membrane. In this case, ATP can be hydrolyzed by an ATP-powered pump, such as a sodium-potassium pump, providing the necessary energy to move molecules against their concentration gradient.

Therefore, the energy in the original glucose molecule is ultimately converted into ATP, which can be utilized as a source of energy for the cell. When ATP is hydrolyzed, the stored energy is released and can be converted into mechanical energy to drive processes like molecule transport across the cell membrane. Therefore the correct option is A

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Mouth - break down food mechanically and chemically

Salivary Glands - produce saliva that contains enzymes which chemically break down food

Esophagus - move food from mouth to stomach through a process called peristalsis

Stomach - chemically break down food with stomach acid, mechanically break down food with the contracting of stomach muscles

Liver - creates bile that helps with digestion, stores, distributes and breaks down nutrients

Gallbladder - temporarily stores bile and squeezes it into the small intestine to break down fat droplets

Pancreas - produces pancreatic juice that contains digestive enzymes and bicarbonate

Small Intestine - absorbs nutrients from chyme

Large Intestine - absorbs water and dries out food, turning it into waste

Rectum - stores waste before it leaves the body

Anus - an opening where waste exits the body

Answer:

Earth science or geoscience is the study of the Earth's structure, properties, processes, and four and a half billion years of biotic evolution.  Understanding these phenomena is essential to the maintenance of life on the planet. There are four basic areas of Earth science study:

The assertions in option (b) & are true (d). Jana possesses the gene that, if mutated, results in cystic fibrosis. The cystic fibrosis-causing allele is not duplicated in Jana.

The life expectancy for CF patients born between 2017 and 2021 is currently 53 years, according to statistics from the 2021 CF Foundation Patient Registry. This is a significant increase from a decade ago when the life expectancy was 38. Nearly 60% of us are now above the age of 18.

The signs of CF

frequent lung infections, such as bronchitis or pneumonia. breathing difficulties like wheezing. Despite having a good appetite, you don't develop or acquire weight well. often oily, large stools, or trouble

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Answer:

D

Explanation:

D: the effect of environment on gene expression.

Answer:

B: a mutation that occurs in the presence of sunlight

Explanation:

The color of these corn kernels is due to exposure of sunlight. Explanation: The corn kernels stay yellow if they are not exposed to sunlight and turn red when they are.

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Is this without equipment?

Depending on what organism you are talking about, animals that can be seen with the unaided eye you can tell that they are dead by studying their bodily movements such as the rise or falling of their chest.

Plants with the unaided eye, the best  indicator is to take a branch or piece off and study the insides color, if it is green then mostly likely they are alive.

Now microscopic organisms are harder to say, it depends on what you are referring to.

"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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Derived characters are those that emerge at some point during evolution, and are expressed by all the subsequent groups. Derived characters shared by protist, plants, fungi, and animals are: eukaryotic organisms, autotroph or heterotroph, cell membrane, nuclei with DNA, mitochondria.

The derived character is any trait that a group passes to the descendants.

Through evolution, the characters change, and new changes are added.

When referring to a derived character, we mean that all the subsequent species in the cladogram, after the character emerged, carry the trait.

In the exposed example, we need to describe characters expressed by protists, plants, fungi, and animals.

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Answer:

check the explanation

Explanation:

The four major stages of bone repair after a fracture are:

Hematoma formation: Immediately after a bone is fractured, the body forms a hematoma, which is a blood clot that stops the bleeding and creates a framework for the subsequent healing process.

Fibrocartilaginous callus formation: Within a few days of the fracture, new blood vessels and cells invade the hematoma, and fibroblasts start producing collagen fibers, forming a soft callus. As the fibroblasts differentiate into chondroblasts, the callus becomes more cartilaginous, creating a firmer structure. This process takes several weeks and is known as fibrocartilaginous callus formation.

Bony callus formation: Osteoblasts begin producing new bone tissue in the cartilaginous callus, transforming it into a bony callus. This process is called bony callus formation and can take several months. The bony callus gradually replaces the cartilaginous callus, resulting in a stronger and more rigid structure.

Remodeling: Over time, the newly formed bone undergoes a remodeling process where the excess bone is resorbed, and the bone is reshaped to resemble its original structure. This process can take up to several years.

It is beneficial to start the healing process with fibrocartilage rather than producing new mineralized bone immediately because the fibrocartilage provides a soft and flexible framework that helps stabilize the fracture site and allows for movement during the early stages of healing. The cartilage also provides a scaffold for the subsequent bone formation by osteoblasts. The gradual transformation of the cartilage into bone allows for a gradual increase in strength at the fracture site and reduces the risk of re-injury during the healing process. If mineralized bone were produced immediately, it would be too rigid and brittle, increasing the risk of further damage to the bone and surrounding tissue. Additionally, the production of new bone tissue requires a significant amount of energy, and starting with fibrocartilage helps conserve energy and optimize the healing process.