Water plants are mainly pollinated by water.
TRUE
FALSE
1 2 3 4 5

Answer:

Mercury and Venus

Explanation:

Answer:

Gene pairs segregate randomly and independently of each other.

Explanation:

Genes are the basic units of hereditary and are located on chromosomes. According to Gregor Mendel's law of independent assortment  which states that the alleles of two (or more) different genes are sorted into gametes independently of one another. This means that the allele a gamete receives for one gene does not influence the allele the same gamete receives for another gene.

For example, in a the pea plants used by Mendel in his studies, the genes for seed shape and flower color were inherited independent of each other by the offspring of the parent pea plants. Therefore, Mendel concluded that the inheritance of each trait was independent of the other.

Answer:

gene pairs segregate randomly and independently of each other

Explanation:

According to the Law of Independent Assortment, if two genes are on different chromosomes, then the alleles for these genes separate independently of each other during the formation of eggs or sperm.

This means that genes separate independently of one another. This explanation most closely matches C) gene pairs segregate randomly and independently of each other.

Answer:

A. Genetic engineering is the manipulation of DNA to produce new organisms or molecules.

Explanation:

Genetic engineering is the process of using recombinant DNA (rDNA) technology to alter the genetic makeup of an organism. ... Genetic engineering involves the direct manipulation of one or more genes. Most often, a gene from another species is added to an organism's genome to give it a desired phenotype.

Answer:

C) The insects develop resistance to the insecticide, which is passed on to successive generations.

Explanation:

It's called adaptation.

Answer:

normally, insecticides last for over 4 to 5 years before breaking into microbes, the species targeted are destroyed. A should be the answer

If two reproductively isolated populations re-established contact, the factors that will tend to increase differences between the populations are genetic drift, natural selection, and mutation. Genetic drift occurs when chance events cause a random change in the frequency of certain traits within a population. Natural selection occurs when certain traits become more or less advantageous in a given environment, causing a shift in their frequency within a population over time. Mutation, on the other hand, introduces new genetic variation into a population, which can lead to the development of new traits or the modification of existing ones.

In contrast, the factor that will tend to decrease differences between the populations is gene flow. Gene flow occurs when individuals from one population migrate into another population and interbreed with members of that population. This can lead to the transfer of genetic material between the two populations, which can help to homogenize their gene pools over time. In general, the extent to which gene flow affects the evolution of populations will depend on a variety of factors, including the frequency and direction of migration, the degree of reproductive isolation, and the genetic divergence between the two populations.

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Answer:

Explanation:

PART 2: Marine Resources

Answer:a)Nucleus

Explanation: Nucleus of the cell contain chromosomes which have the genetic information and is responsible for most of the cell activities. The nucleus performs cell division which requires replication of the genetic material present in the chromosomes of the nucleus.

Answer:

false?

Explanation:

Steps of cellular respiration

relative dating is the process of determining if one rock or geologic event is older or younger than another, without knowing their specific ages

Answer:

Option C Index Fossil

Explanation:

Relative dating is in order of rocks layers. The layers are no longer horizontal, but geologists are able to determine their order.

Bacteria can change its DNA in reproduction or transfer various different genes to build resistance. Viruses can do the same. Both will naturally change and improve over time because the DNA is always changing.The bacteria can also mutate to better help it in its environment.

The cis to trans conversion of retinal when photopigments respond to light is called isomerization.

What is isomerization?Isomerization is a chemical process that converts one isomer into another without altering the overall atomic composition. Isomerization may be a physical process such as changing the position of a molecule within a crystal lattice or a chemical process in which the chemical structure of a molecule is rearranged. It is generally referred to as a chemical reaction involving a structural modification that occurs spontaneously or catalytically.

Isomerization is a natural process that occurs in a variety of biological systems, including retinal when photopigments react to light. When retinal absorbs light, the retinal molecule undergoes a cis-to-trans isomerization. The conformation of the molecule alters from a bent, unstable conformation to a straight, more rigid one, resulting in the activation of an ion channel in the cell membrane. This, in turn, results in the generation of a visual signal that is sent to the brain, and the sensation of light is perceived.

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Answer:

A. 10%

Explanation:

Answer:

The maximum population size that an ecosystem can support is called carrying capacity. Limiting factors determine carrying capacity. The availability of abiotic factors (such as water, oxygen, and space) and biotic factors (such as food) dictates how many organisms can live in an ecosystem.

Explanation:

The family of red algae is diverse and includes several different families, such as Rhodomelaceae, Gelidiaceae, and Porphyridiaceae.

The species of red algae vary greatly within these families. Cyanobacteria, on the other hand, belong to the phylum Cyanobacteria and are not classified using the KPCOFGS taxonomy system. Instead, they are classified based on their morphological and physiological characteristics.

Red algae, also known as Rhodophyta, comprise a large and diverse group of algae. They are classified into different families based on their characteristics, including the structure of their thallus (body), reproductive structures, and pigments. Some common families of red algae include Rhodomelaceae, Gelidiaceae, and Porphyridiaceae.

Within these families, there are numerous species of red algae, each with its unique characteristics and habitats. Cyanobacteria, also known as blue-green algae, are a group of photosynthetic bacteria. They belong to the phylum Cyanobacteria and are not classified using the KPCOFGS taxonomy system typically used for plants and animals.

Cyanobacteria are classified based on their morphological features, such as cell shape, arrangement, and pigmentation, as well as their physiological characteristics and genetic traits. The classification of cyanobacteria is continually evolving as new information and techniques are discovered in the field of microbiology.

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The personal protective equipments used while delivering food tray to resident with skin infections or open wounds are face shield, gloves and gown.

Personal protective equipment is a protective clothing which is worn to protect the wearer's body from hazard or injury. The hazards which can be addressed by the use of personal protective equipment are physical, chemical and bio hazards.

It imposes a barrier between the user and the working environment. The main purpose of personal protective equipment is to reduce exposure of employees to the hazards.

It has a limitation that it does not eliminate the hazard and may lead to harm to the employee, if the equipment is damaged. It is not effective if it is not worn or fitted properly.

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Note: May be the correct question is as follow,

Question: Identify the PPE to be used when delivering a food tray to a resident who has a skin infection or open wound

Check all that apply.

a. Mask or respirator

b. Goggles

c. Face Shield

d. Gloves

e. Gown

f. No PPE is needed

Answer:

GLOVE AND GOWN

Explanation:

Answer:

Matter can store energy, as a result of its position.

Explanation:

Demolition machine stores energy when kept at elevated position. The stored energy of position is referred to as potential energy.

The selection index based on own performance is a useful tool for evaluating the potential response to selection for multiple traits.

A) A selection index is a technique used in animal breeding to identify the best breeding animals based on a selection of traits. This index is used to estimate the breeding value of an animal in a breeding program.

B) Economic values are used to assign relative economic importance to different traits in a breeding program. The predicted response, on the other hand, is the expected improvement in a trait due to selection for that trait. It is calculated by multiplying the selection differential by the heritability.

C) The economic weights are appropriate for the breeder’s goal since they reflect the breeder’s desire to increase weight while decreasing feed intake. A positive response for feed intake may be due to the genetic correlation between the two traits. Since the genetic correlation between weight and feed intake is positive, selection for weight will indirectly lead to an increase in feed intake.

D) To design an index such that there was no response for feed intake, the index would need to be designed so that it only selects animals based on their weight and not their feed intake. This would involve assigning a weight of zero to feed intake in the selection index. This would mean that only animals with the highest weight would be selected, regardless of their feed intake.

However, the economic weights used in the index should be appropriate for the breeder’s goal in order to maximize the desired response. In this case, the positive response for weight suggests that the economic weights used are appropriate, but the negative response for feed intake suggests that a different design may be necessary to achieve the breeder’s goal of increasing weight while reducing feed intake.

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Answer:

  The Earth's tilted axis causes seasons. During different parts of the year, the Earth recieves the sun's rays directly. It's summer in the Northern Hemisphere.  When the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.

Explanation:

Respiratory bronchi are the smallest branches of the bronchial tree and are responsible for transporting air to the respiratory zone of the lungs.  "Surfactant-producing glands," is the correct answer to this question.

They differ from terminal bronchioles in that they contain alveoli in their walls. All of the following may be found in the walls of the respiratory bronchi except surfactant-producing glands. The respiratory bronchioles have smooth muscle, ciliated cells, and goblet cells in their walls.

The respiratory bronchi are the first set of tubes that carry air into the lungs. The respiratory bronchioles are the tiniest and final branches of the bronchial tree, with the alveoli contained within them. Therefore, the option B, "Surfactant-producing glands," is the correct answer to this question.

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- Have vascular tissue: Categories a. Bryophytes, b. Gymnosperms, c. Angiosperms

- Produce seeds: Categories b. Gymnosperms, c. Angiosperms

- Produce spores: Category a. Bryophytes

Match:

- Have vascular tissue: Categories b. Gymnosperms, c. Angiosperms

- Produce seeds: Categories b. Gymnosperms, c. Angiosperms

- Produce spores: Category a. Bryophytes

The option that is NOT a major joint category is a. elastic.

A joint, often known as an articulation or articular surface, is a point of contact between two bones, between a bone and a cartilage, or between a bone and a tooth. The classification of joints is based on the type and degree of movement they allow and the nature of the binding tissue that holds the bones together.

They are classified into five categories: fibrous joints, cartilaginous joints, bony joints, elastic joints, and synovial joints.

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When a person sits up, increasing the vertical position of their brain by 37 cm, the heart must continue to pump blood to the brain at the same rate because gravity exerts a downward force on blood in the vessels in the body.

Blood flow to the brain is essential to keep it functioning.Blood flow to the brain is essential for its proper functioning. Blood flow through the circulatory system is aided by the heart, which pumps blood through the vessels.The pumping of the heart helps to maintain the circulation of blood throughout the body, including the brain. When a person sits up, the force of gravity changes, and this has an impact on the way blood is pumped through the body's vessels.If the vertical position of the brain increases by 37 cm, the heart must continue to pump blood to the brain at the same rate, regardless of changes in the position of the body. This is because the brain needs a constant supply of blood to get oxygen and nutrients and to remove waste products from its cells.Therefore, the heart is responsible for maintaining blood pressure, which is necessary for blood flow to the brain and other organs, and it must adjust to accommodate changes in the position of the body.

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The optimal surgical strategy for pancreatic neuroendocrine tumors (PNETs) can vary depending on various factors, including tumor characteristics, location, and stage. The extent of resection and lymphadenectomy are important considerations in the surgical management of PNETs.

Extent of Resection: The extent of resection refers to the amount of pancreatic tissue removed during surgery. For PNETs, the surgical options typically include: Enucleation: This approach involves removing the tumor while preserving most of the pancreatic tissue. It is suitable for small, well-defined tumors located on the surface of the pancreas. Distal Pancreatectomy: This procedure involves removing the tail and body of the pancreas. It is performed for tumors located in the body or tail of the pancreas. Pancreaticoduodenectomy (Whipple procedure): This extensive surgery involves the removal of the head of the pancreas, duodenum, gallbladder, and part of the stomach. It is typically performed for tumors in the head of the pancreas. The choice of surgical approach depends on factors such as tumor size, location, involvement of adjacent structures, and the overall health of the patient.

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Answer:

Explanation:

Taxonomy is the study of different organisms, their classification into categories according to their morphological and molecular characteristics and their evolutionary relationships, and assigning to each them a binomial name.  

The categories where organisms are classified into are:

• Domains are the highest taxonomic category in which living beings can be grouped or divided. There are three domains: archaea, bacteria, and eukarya.

- The archaea domain  

- The bacteria domain  

- The eukarya domain  

• Kingdom: Includes different phyla closely relates.  

• Phylum: Includes different classes closely related.

• Class: Includes different orders closely relates.

• Order: Includes different families closely related

• Family: Includes different genera closely relates

• Genus: Includes many species → Lycaon, Vulpes, and Canis are genuses

• Species: Includes subspecies if there are → For instance, Canis lupus

       Subspecies subgroups inside the species group → Canis lupus familiaris

So each level includes the following levels.

In the exposed example, Canis lupus familiaris is a subspecies of the species Canis lupus.

B.  mRNA codons are joined by tRNA anticodons to assemble amino acids to form a protein.

The correct amino acids are brought to the ribosome by tRNA.

mRNA codons are joined by tRNA anticodons to assemble amino acids to form a protein is occurs during translation.

Translation is the procedure by which the mRNA codes for a specific protein. All the while, the ribosome interprets the mRNA created from DNA into a chain of explicit amino acids.

In the pathway of gene expression, protein synthesis is an essential process and a crucial control factor. Translation regulation is essential for maintaining homeostasis in both the cell and the organism and plays a prominent role in most cell processes.

Translation is the process of making a polypeptide chain from mRNA codons. tRNA charging, initiation, elongation, and termination are the four stages.

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Exaptation may be defined as a characteristic that is present in an organism or set of organisms that develops a new function or role that differs from its original function as a result of the process of evolution such as the role of feathers in birds.

For instance, the malleus and incus, two novel bones in the middle ear of mammals, are analogous to the quadrate and articular bones. The primary jaw joint's incorporation with the mammalian middle ear required the emergence of a novel technique of upper and lower jaw articulation. Thus, the two elements came together to create the distinctive mammalian cranium.

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if a patient with Addison's disease is given too high a replacement dose of glucocorticoids, the effect over time will be an increase in muscle weakness due to the negative impact on muscle tissue caused by chronic exposure to excess glucocorticoids.

Addison's disease is a disorder in which the adrenal glands do not produce enough cortisol and sometimes aldosterone. Glucocorticoids, such as cortisol, have a variety of important functions in the body, including the regulation of glucose metabolism, immune function, and the response to stress.

Patients with Addison's disease are typically treated with glucocorticoid replacement therapy to provide the missing cortisol. However, if the dose is too high, it can lead to a condition known as Cushing's syndrome, which is characterized by a variety of symptoms, including muscle weakness, fatigue, and weight gain, among others.

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