which term describes a plant or animal that lives on or within another living organism at the expense of that organism?

The first step in the replication of DNA is catalyzed by the enzyme DNA helicase.

DNA replication, as used in molecular biology, is the process by which one DNA molecule is biologically converted into two identical copies of DNA. The most crucial component of biological inheritance is DNA replication, which happens in all living things. In addition to ensuring that each of the new cells receives a copy of the DNA, this is crucial for cell division during tissue growth and repair. Replication of DNA is crucial because the cell's unique ability to divide makes it.

Enzymes called helicases can modify or bind to complexes of nucleic acids or proteins that include nucleic acids. Helicases are present in both DNA and RNA. DNA helicases are necessary for DNA replication because they divide double-stranded DNA into single strands, allowing each strand to be replicated separately. At locations known as origins, where synthesis will begin, DNA helicases unwind DNA during DNA replication. The replication fork, so named because the two strands of DNA seem forked as they are unzipped apart, is a structure that is formed as the DNA is further unwound by the DNA helicase. In double-stranded DNA, energy is required to dissociate the hydrogen bonds that bind the base pairs together.

To know more about replication of DNA

brainly.com/question/21675925

#SPJ4

Answer:

c

Explanation:

It was designed to determine whether the genetic material of the bacteriophage (a type of virus that infects bacteria) is made of DNA or protein.

The Hershey-Chase experiment, also known as the "Blender Experiment," was a classic experiment in molecular biology that was conducted in 1952 by Alfred Hershey and Martha Chase. It was designed to determine whether the genetic material of the bacteriophage (a type of virus that infects bacteria) is made of DNA or protein.

In the experiment, components of the bacteriophage were labeled with radioactive isotopes of sulfur and phosphorus. The labeled phages were then used to infect bacterial cells, and the cells were subjected to various treatments to separate the viral components from the bacterial components.

The results of the experiment showed that the genetic material of the bacteriophage was made of DNA, not protein. This was determined by the fact that the labeled DNA, but not the labeled protein, was able to enter the bacterial cells and infect them. This experiment provided strong evidence for the "central dogma" of molecular biology, which states that genetic information flows from DNA to protein, but not the other way around.

Learn more about Hershey-Chase experiment, here:

https://brainly.com/question/11697877

#SPJ2

Explanation:

Hemophilia is a disease that is characterized by an abnormal blood clotting process. There are many different proteins that are involved in the clotting process and a single mutation or change in one of them could result in serious effects. Hemophilia is characterized by an abnormal version of one of the many proteins involved in the clotting process, the proteins that are commonly affected are the coagulation factor 8 or 9 (VIII or IX). These abnormal proteins are caused by a mutation in the gene (within the DNA) that codifies for the production of each protein. In other words, a mutation in the part of the DNA, (gene F8) will lead to a dysfunctional coagulation factor VIII and a mutation in the gene F9 will lead to a dysfunctional coagulation factor IX. Importantly, these mutations could be inherited and could cause hemophilia. Therefore, an error in the DNA and subsequently, an error in the protein will cause hemophilia. Finally, it is important to mention that there are other types of hemophilia that are not caused by the above-mentioned mutations, such as acquired hemophilia.

Answer:the macromolecule which is involved in haemophilia which is passed from the parents to the children is the defect in factor number 8 of clotting cascade.

Explanation:

According to Bronfenbrenner's ecosystem theory, people are affected by the environment at different levels, from the surrounding microsystem to the larger macrosystem.

It is important to note the various support networks that span these ecological layers to help Sipho overcome their educational difficulties. It is important to note that each person has different demands, and the specific support systems set up for Sipo need to be adapted to their specific needs. Implementing efficient support mechanisms that help Sipo overcome their academic difficulties requires collaboration among various stakeholders, including teachers, parents, school officials, and community resources.

Learn more about Bronfenbrenner's ecosystem theory, here:

https://brainly.com/question/30762006

#SPJ1

The muscles involved in horizontal adduction of the shoulder are the pectoralis major (Option A), anterior deltoid (Option B), and teres minor (Option C). Therefore, the correct answer is D, "All of the above."

The pectoralis major is a large muscle located in the anterior chest wall and is responsible for several movements of the shoulder, including horizontal adduction. When the pectoralis major contracts, it brings the arm across the body in a horizontal plane.

The anterior deltoid is located at the front of the shoulder and is responsible for flexion, abduction, and horizontal adduction of the arm. It assists in bringing the arm across the body during horizontal adduction.

The teres minor is one of the rotator cuff muscles located on the posterior aspect of the shoulder. While its primary function is external rotation of the arm, it also assists in horizontal adduction by working in conjunction with the other muscles involved in this movement.

Therefore, all of the listed muscles (pectoralis major, anterior deltoid, and teres minor) are involved in horizontal adduction of the shoulder.

To know more about the pectoralis major refer here,

https://brainly.com/question/30641883#

#SPJ11

Complete question :

Which of the following muscles are involved in horizontal adduction of the shoulder?

A. pectoralis major

B. anterior deltoid

C. teres minor

D. All of the above

Answer:

Comparative approaches to understanding chordate genomes have uncovered a significant role for gene duplications, including whole genome duplications (WGDs), giving rise to and expanding gene families. In developmental biology, gene families created and expanded by both tandem and WGDs are paramount. These genes, often involved in transcription and signalling, are candidates for underpinning major evolutionary transitions because they are particularly prone to retention and subfunctionalisation, neofunctionalisation, or specialisation following duplication. Under the subfunctionalisation model, duplication lays the foundation for the diversification of paralogues, especially in the context of gene regulation. Tandemly duplicated paralogues reside in the same regulatory environment, which may constrain them and result in a gene cluster with closely linked but subtly different expression patterns and functions. Ohnologues (WGD paralogues) often diversify by partitioning their expression domains between retained paralogues, amidst the many changes in the genome during rediploidisation, including chromosomal rearrangements and extensive gene losses. The patterns of these retentions and losses are still not fully understood, nor is the full extent of the impact of gene duplication on chordate evolution. The growing number of sequencing projects, genomic resources, transcriptomics, and improvements to genome assemblies for diverse chordates from non-model and under-sampled lineages like the coelacanth, as well as key lineages, such as amphioxus and lamprey, has allowed more informative comparisons within developmental gene families as well as revealing the extent of conserved synteny across whole genomes. This influx of data provides the tools necessary for phylogenetically informed comparative genomics, which will bring us closer to understanding the evolution of chordate body plan diversity and the changes underpinning the origin and diversification of vertebrates.

Answer:

The correct answer is C. Finding burial sites of modern Homo sapiens in the same region as Homo neanderthalensis fossils

Explanation:

Hominids is a term used to refer to different specimens of human evolution. According to scientific research, it has been established that the best known hominid species of the "Homo" family are organized chronologically as "Homo Habibis", "Homo erectus", "Homo neanderthalensis", and, "Homo sapiens". On the other hand, if an anthropologist believes that the Homo neanderthalensis were the first to practice burials but it is found this practice is only associated to subsequent species such as the Homo sapiens it can be concluded the conclusion of the anthropologist is false. So, the correct answer is c. Finding burial sites of modern Homo sapiens in the same region as Homo neanderthalensis fossils. because the lack of burial sites from Homo Neanderthalensis along with the existence of burial sites of homo sapiens shows this practice belongs to the  modern hominid species.

Answer: C

Explanation:

trust the guy who answered before cuz he right

Biodiversity Conservation: The Solomon Islands are home to rich biodiversity, containing singular environments and endangered class.

It is important to plan out biodiversity preservation through system which controls organization and administration of protected fields, in the way that nationwide parks and sea reserves

Climate Change Adaptation: The Solomon Islands are vulnerable to the impacts of temperature change, containing climbing ocean levels, raised frequency of extreme weather occurrences, and sea acidification. It is main to expand and implement agreement actions that focus on marshy care, tenable land use preparation, and trend-resilient foundation

Learn more about  Solomon islands from

https://brainly.com/question/30038275

#SPJ1

Answer:

That light is necessary for photosynthesis.

Answer:

Jan Ingenhouz discovered that light is nessasary for photosynthisis.

Explanation:

Answer: prophase, metaphase, anaphase, telophase, and cytokinesis.

The correct order of epidermal layers from deepest to most superficial is: (1) Stratum basale, (2) Stratum spinosum, (3) Stratum granulosum, (4) Stratum lucidum, and (5) Stratum corneum.

The epidermis is the outermost layer of the skin and is made up of five distinct layers. Starting with the deepest layer, the Stratum basale is responsible for producing new skin cells through cell division. Next is the Stratum spinosum, which contains keratinocytes that produce keratin, a protein that provides strength to the skin.

The Stratum granulosum is the third layer and plays a role in the formation of skin's waterproof barrier. The fourth layer, Stratum lucidum, is found only in thick skin, such as the soles of the feet and palms of the hands, and helps provide additional protection against friction. Lastly, the Stratum corneum is the outermost layer consisting of dead, flattened cells that serve as a barrier to protect the underlying tissue from infection and water loss.

Know more about epidermal layer here:

https://brainly.com/question/31946642

#SPJ11

All ecosystems on Earth that support life are collectively referred to as the biosphere. Important resources are provided by the biosphere. The biosphere is a large-scale ecosystem made up of living things (biota) and the nonliving (abiotic) elements that sustain them. The correct option is (C).

What is ecology?

Ecology is the study of living things and how they relate to their surroundings. Autecology and synecology are the two primary divisions within ecology.

i.) Autecology, often known as species ecology, is the ecology of a single species.

(ii) Synecology, often known as community ecology, is the study of the ecology of a population or community that contains one or more species.

What is biosphere?

The biosphere is a small area of the earth's surface where soil, water, and air work together to support life. Only in this region is life possible. There are many diverse sorts of life, ranging from fungus and bacteria to huge animals.

To know more about biosphere visit

https://brainly.com/question/15083566

#SPJ4

Answer: Move material across the membrane

Explanation:

Brainliest pls

Answer:

They move materials across the cell membrane.

The mentioned structures consist of various types of tissues. These include epithelial tissue in the oral cavity, tongue, and glandular tissues; muscle tissue in the tongue, diaphragm, and ascending colon; and connective tissue in the hard palate, soft palate, uvula, liver, and gallbladder.

The tissues mentioned are found in various systems of the body:

1. Oral cavity (mouth): Consists of epithelial tissue, connective tissue, and specialized tissues such as taste buds.

2. Tongue: Comprised of skeletal muscle tissue covered by epithelial tissue.

3. Teeth: Consist of specialized tissues, including dentin, enamel, and cementum.

4. Sublingual gland and submandibular gland: Exocrine glands that contain glandular epithelial tissue.

5. Hard palate and soft palate: Composed of a combination of epithelial tissue and connective tissue.

6. Uvula: Consists of connective tissue and muscle fibers.

7. Diaphragm: A muscle made up of smooth and skeletal muscle tissue.

8. Liver: Composed of hepatocytes, which are specialized epithelial cells.

9. Gallbladder: Contains epithelial tissue for absorbing and concentrating bile.

10. Ascending colon: Part of the large intestine, consisting of smooth muscle tissue.

It is important to note that these tissues collectively make up the structures mentioned, each with their specific composition of cells and extracellular matrix.

To know more about tissues refer here:

https://brainly.com/question/13251272#

#SPJ11

Answer:

Range of Reaction.

Explanation:

Each person is born with a genetic potential to reach a certain level of potential, but whether or not they accomplish that level depends on their environments and experiences. This is the foundation of the range of reaction models.

The Genetic potential may be characterized as the probability that a mutation to a gene coding for the currently obliges phenotype will significantly produce the intermediate or unfavored phenotype.

According to the context of this question, genetic potential characterizes the ability of organisms to produce offspring with a variety of traits. It depends on the environments and experiences they possess in their lifestyle. It makes the foundation of the range of reaction models.

Therefore, the model of this scenario is well described.

To learn more about Genetic potential, refer to the link:

https://brainly.com/question/13072100

#SPJ2

Answer:

When the plant opens its stomata to let in carbon dioxide, water on the surface of the cells of the spongy mesophyll and palisade mesophyll evaporates and diffuses out of the leaf. This process is called transpiration .

Explanation:

The statement "The secondary bronchi that branch off the primary bronchi are also called bronchi" is true.

Bronchi are the main passageways that lead air into the lungs. The lungs are divided into several branches, including the bronchi, which are further divided into smaller branches called the secondary bronchi. The primary bronchi are the initial branches of the trachea that enter the lung on either side.

The left lung contains two primary bronchi, while the right lung contains three primary bronchi. Each primary bronchus branches into several secondary bronchi. The secondary bronchi branch into several tertiary bronchi, which in turn branch into smaller bronchioles.

The bronchi are responsible for carrying air to and from the lungs, where gas exchange takes place. They are lined with cilia and mucus-secreting cells, which help trap and remove foreign particles from the air before it reaches the lungs. In addition, the bronchi have smooth muscles that can constrict or relax, allowing for the regulation of airflow.

Overall, the bronchi and their branches are essential for respiration and maintaining proper lung function.

To know more about bronchi refer here:

https://brainly.com/question/31231885#

#SPJ11

Acid deposition, also known as acid rain or acid precipitation, refers to the deposition of acidic substances from the atmosphere onto the Earth's surface. It is primarily caused by emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) from human activities, particularly the burning of fossil fuels such as coal and oil in power plants, industrial processes, and vehicle emissions.

The chemical equations involved in acid deposition formation are as follows:

SO2 (sulfur dioxide) + O2 (oxygen) + H2O (water) → H2SO4 (sulfuric acid)

NOx (nitrogen oxides) + OH (hydroxyl radical) → HNO3 (nitric acid)

Acid deposition can occur in two main forms: wet deposition and dry deposition.

The effects of acid deposition can be significant and wide-ranging:

\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)

♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)

Answer

A. Blood group

Explanation

B

The segmented income statement for Shannon Company shows the sales, variable expenses, contribution margin, allocated common fixed expenses, and net operating income for each division. The percentages are calculated by dividing each item by the total sales and multiplying by 100. This segmented statement provides a clear view of the financial performance of each division and the company as a whole.

Segmented income statements provide a detailed breakdown of the financial performance of different divisions or segments within a company. In this case, we have Shannon Company, which consists of two divisions: North and South. The overall sales, contribution margin ratio, and net operating income for the company as a whole are $810,000, 32%, and $16,200, respectively. The North Division has a contribution margin of $111,600 and a contribution margin ratio of 36%, while the South Division's segment margin is $105,000. Additionally, there are $170,100 of common fixed expenses that cannot be traced to either division.

To prepare the segmented income statement, we need to allocate the common fixed expenses to the two divisions. The allocated expenses will be subtracted from the segment margins to arrive at the net operating income for each division. Here is the segmented income statement for Shannon Company:

Shannon Company Segmented Income Statement

Divisions      Total Company        North      South

Amount ($)     % of Sales           % of Sales % of Sales

-------------------------------------------------------

Sales          $810,000             $XXX       $XXX

Variable expenses:

 Variable costs $XXX                 $XXX       $XXX

 Contribution margin $XXX             $XXX       $XXX

Fixed expenses:

 Common fixed expenses allocated:

   North Division   $XXX              $XXX       $XXX

   South Division   $XXX              $XXX       $XXX

Net operating income $16,200            $XXX       $XXX

To calculate the percentages, we divide each amount by the total sales and multiply by 100. The North Division's contribution margin ratio is already given as 36%.

Learn more about segmented income

https://brainly.com/question/30568093

#SPJ11

Answer:

The right answer would be photosynthesis

Explanation: the plant uses the sun and water and makes that into food with the soil too

Answer:

D.)

Explanation:

Answer:

CCA

Explanation:

The most primitive known stegosaur is Huayangosaurus, which lived during the middle Jurassic period.

Stegosauria is a group of herbivorous thyreophoran dinosaurs that lived during the Jurassic and early Cretaceous periods. This group includes the stegosaurs and their close relatives. Among the different stegosaurs, Huayangosaurus is considered the most primitive known species, and it lived during the middle Jurassic period, which occurred approximately 174-163 million years ago.

Huayangosaurus fossils were first discovered in 1982, and they were named after the location where they were found: the Huayang quarry in Sichuan Province, China. The fossils of Huayangosaurus are relatively complete, and they include a nearly complete skeleton that allowed paleontologists to reconstruct its anatomy and learn about its behavior. Some of the unique features of Huayangosaurus include its short and broad snout, its low and wide skull, and its short forelimbs compared to its hindlimbs.

Additionally, Huayangosaurus had a row of bony plates along its back, which was a typical characteristic of stegosaurs, and it also had spikes on its tail.

know more about Stegosauria click here:

https://brainly.com/question/27974916

#SPJ11

The taxa under which the given plant fossil come is angiosperm.

Taxa refer to any unit employed in the discipline of biological classification, often known as taxonomy. Taxa are organized in a hierarchical order, from kingdom to subspecies, with a particular taxon typically containing numerous taxa of lower rank.

Taxa are given formal names after being properly identified by nomenclature codes and systems. Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms are a few examples of major plant taxa.

Therefore, the taxonomic group from which the presented plant fossil is derived is angiosperm.

To learn more about taxa, refer to the link:

https://brainly.com/question/23028263

#SPJ1

Answer:

The high temperatures of volcanic magma creates hydrothermal veins, allowing some of the heat to escape near the upper layers of the Earth's crust. This is why copper is often found in the sedimentary layer, where sand and mud are compressed until they form a layer of sedimentary rock on the surface of the earth.

A muscle end that is attached to a less movable or relatively fixed part is called the origin. The origin is the attachment point of the muscle that remains relatively stable during movement. This is in contrast to the muscle's insertion point, which is attached to the more movable part of the body and is responsible for generating force to produce movement.

For example, in the bicep muscle, the origin is located at the scapula bone, while the insertion is at the radius bone of the forearm. When the bicep muscle contracts, it generates force at the insertion point, causing the forearm to flex and lift. The origin remains relatively stable during this movement.

Understanding the origin and insertion points of muscles is important in understanding the mechanics of movement and can be helpful in designing exercises to target specific muscles. By targeting the origin and insertion points of a muscle, exercise can be used to improve strength, flexibility, and overall function.

You can learn more about origin at: brainly.com/question/30193548

#SPJ11

A naive B cell is a cell that has MHC and BCR and is waiting to bind its dream antigen.What are B cell receptors?B cell receptors (BCRs) are transmembrane proteins that are located on the surface of B cells. BCRs have two heavy chains and two light chains that are linked by disulfide bonds and form a Y shape.

BCRs are composed of two antigen-binding sites, one on each arm of the Y. The antigen-binding site is made up of the variable domains of the heavy and light chains. The constant regions of the heavy and light chains are found in the transmembrane and cytoplasmic domains of the BCRs.

The specific recognition of antigens by B cells is mediated by BCRs. B cells are activated by antigens that are bound to their BCRs. The activation of B cells results in their differentiation into plasma cells, which secrete antibodies, and memory B cells, which persist in the body for long periods of time and quickly respond to subsequent exposure to the same antigen.

Learn more about the receptors here

https://brainly.com/question/25753221

#SPJ11

Answer:

If the parent reproduces sexually, it's offspring will inherit exactly half of it's DNA. The other half is inherited from the other parent. If the parent reproduces asexually, it's offspring will be a clone (i.e. have the same DNA).

Explanation: