How does industrial fishing harm marine ecosystems?

1. Fracture: Orbital floor of left eye. Sinus: Maxillary sinus.

2. Fracture affects eye movement by entrapment of inferior rectus muscle or nerve, limiting upward gaze and causing double vision.

1. Based on the provided information, it is likely that the patient has a fracture of the orbital floor, specifically the orbital floor of the left eye. The involvement of the left eye being fixed in downward gaze suggests a possible entrapment of the inferior rectus muscle or the inferior orbital nerve, which commonly occurs with orbital floor fractures. Additionally, the tenderness in the right cheek may indicate a possible blowout fracture, which involves the maxillary sinus.

2. The fracture of the orbital floor can affect the movement of the eye due to several reasons. Firstly, the entrapment of the inferior rectus muscle or the inferior orbital nerve can limit the normal upward movement of the affected eye, resulting in a fixed downward gaze as observed in the patient. This restriction can lead to double vision (also known as diplopia) when the eyes are not properly aligned.

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Answer:  Stem cells produce their exact copies by the process of cloning. It is defined as the deliberate production of genetically identical individuals.

Explanation: Stem cells has the ability to continuously divide to generate exact copies of themselves by a process called self renewal. and has the ability to change into specialized cells in a process called differentiation.

Clones contain identical set of genetic material in the nucleus, compartment that contains the chromosomes of every cell in their bodies.The cells from two clones has same DNA and same genes in their nuclei.

All multicellular plants and animals rely on the stem cells to grow from a single cell into an adult. Stem cells allows our body to build new tissues such as new muscle when we exercise.

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The structural level at which the muscle does contraction that occurs to bring about contraction in the whole muscle is known as Myofibril. Thus, the correct option for this question is A.

Muscle contraction may be defined as the process that significantly involves the tightening, shortening, or lengthening of muscles when you do any physical activity. This process enhances the flexibility level of the body.

According to the context of this question, the skeletal muscles are actively involved in the movement and actions of the body where myofibrils begin the contraction to make the whole muscle contract.

Myofibril is an organelle of the muscle cells that significantly construct the muscle fibers of the skeletal muscles. This organelle remarkably comprises myofilaments that are responsible for appearance and movement.

Therefore, the structural level at which the muscle does contraction that occurs to bring about contraction in the whole muscle is known as Myofibril. Thus, the correct option for this question is A.

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Answer:

Tapeworm and human.

Answer:

Trace fossils may consist of impressions made on or in the substrate by an organism. For example, burrows, borings (bioerosion), urolites (erosion caused by evacuation of liquid wastes), footprints and feeding marks and root cavities may all be trace fossils.

Explanation:

Answer:

C - Genes

Explanation:

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This new information challenges the experimenters' conclusion regarding the source of genetic information because it suggests that nucleic acids are not composed of a single tetramer but rather a polymer of repeating units.

It contradicts the assumption of a circular, sugar-phosphate backbone and challenges the understanding of the structure and composition of nucleic acids. The discovery of nucleic acids being composed of repeating units called nucleotides, rather than a single tetramer, has significant implications for understanding genetic information. Nucleotides consist of a nitrogenous base, a sugar molecule, and a phosphate group. These nucleotides link together in a linear sequence to form a polynucleotide chain, where the sugar-phosphate backbones are connected by phosphodiester bonds. The recognition of the true structure and composition of nucleic acids, with their linear polymer nature, challenges the initial assumption made by the experimenters. This new information emphasizes the importance of accurately understanding the molecular structure and organization of nucleic acids in deciphering the source and transmission of genetic information.

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The energy source is the concentration difference of hydrogen ions across the membrane.

The photochemical and electron transport reactions of oxygenic photosynthesis occur at the thylakoid membrane. The lipid composition of the thylakoid membrane is highly conserved among oxygenic photosynthetic organisms, with two galactolipids, one sulfolipid, and one phospholipid.

The primary functions of thylakoids are to trap light energy and convert it into chemical energy forms such as ATP and NADPH. Water is oxidized and oxygen is released during this process. Inside chloroplasts and cyanobacteria, thylakoids are membrane-bound compartments. They are the site of photosynthesis's light-dependent reactions. Both stages of photosynthesis involve the chloroplast. The light reactions occur in the thylakoid.

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Answer:

Quantitative research deals with numbers and statistics, while qualitative research deals with words and meanings. Quantitative methods allow you to test a hypothesis by systematically collecting and analyzing data, while qualitative methods allow you to explore ideas and experiences in depth.

The main difference between qualitative and quantitative data is that qualitative data is descriptive while quantitative data is numerical. For example, qualitative data are gender, country, city, nationality, etc. while quantitative data are length, width, height, weight, area, speed, age, etc.

It helps the cell make an exact copy of itself.

Mitosis in a process where a cell is devided, resulting in two identical daughter cells.

Answer:

The San Andreas Fault is the transform plate boundary where a thin sliver of western California, as part of the Pacific Plate, slides north-northwestward past the rest of North America

Answer:

are made of rock, containing common minerals like feldspars and metals like magnesium and aluminum.

Explanation:

Above is a schematic representation of the cell cycle process. The diamond denotes an essential milestone in cell cycle regulation.

A cell grows (gap 1, or G1), copies its DNA (synthesis, or S), prepares to divide (gap 2, or G2), and separates (gap 4, or S) during the four stages of the cell cycle (mitosis, or M, stage).

Cell cycle checkpoints prevent genetic errors from transferring to daughter cells. The three primary cell-cycle checkpoints are the G1/S checkpoint, the G2/M checkpoint, and the spindle assembly checkpoint (SAC).

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Answer:

There are certain plants that can produce oxygen at night like Aloe Vera. Peepul, Snake plant, and Areca Palm.

Explanation:

Answer and Explanation:

Some plants can some plants cant..

Replacement therapies for estrogen and calcitonin were tested in this experiment.

Hormones lost during the menopausal transition are supplemented for women through hormone replacement treatment (HRT). Conventional HRT comprises an estrogen and progesterone component to replicate hormones produced by the human ovary and ease the symptoms of menopause. Replacement therapies for estrogen and calcitonin were performed in order to maintain the same and treat osteoporosis in women.

The hormone that maintains healthy calcium homeostasis in people is called calcitonin. Patients with osteoporosis who take calcitonin as directed see increased bone mass. By acting on calcitonin receptors in bone, as well as possibly in the kidney and gastrointestinal system, calcitonin prevents bone deterioration and increases bone density.

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Answer:

During crossing-over, the genetic material is exchanged between non-sister chromatids, resulting in new combinations of alleles. Thus, the correct option is C.

Meiosis is the cell division in which crossing-over takes place. Crossing-over results into formation of recombinants with genetic material which is different from the parental cells. Crossing-over takes place in the pachytene stage of prophase I of Meiosis I. This is responsible for the production of variations in the organisms.

Crossing over or chromosomal crossover is the exchange of genetic material during the sexual reproduction between the non-sister chromatids of two homologous chromosomes which results in recombinant chromosomes.

Therefore, the correct option is C.

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Answer:

Since every person inherited DNA from their parents, who inherited it from their parents, and so on, a person's DNA is made up of the DNA of their ancestors. If you and another person both have the same ancestor, there's a chance that you both inherited some of the same DNA.

Explanation:

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Answer:

Due to no controlling agent for harmful microbes that causes new pandemic.

Explanation:

The new pandemic leads to imbalance of ecosystem due to biodiversity loss because the absence of antimicrobial agent causes the pandemic. The antimicrobial agent is responsible for the control of harmful microorganism so due to disturbance in the ecosystem, the biodiversity losses occurs and there is no organism which stop or control the population of the harmful organism that causes new pandemic.

Answer: The question is incorrect, below is the correct question

Which DNA FINGERPRINTING technique examines the length variation of DNA repeat sequences in human DNA?

The correct answer to the question is option D

mtDNA (mitochondrial DNA) analysis

Explanation: DNA fingerprinting technique is a laboratory technique used by geneticists.it entails placing of DNA samples into wells,these wells are then placed in a slab of gels and thereafter passing a current through the gel.This is done to ascertain the uniqueness of a DNA pattern and thus be able to differentiate people of same species.

There are several methods of DNA fingerprinting as outlined in the options given with the question.

In mtDNA (mitochondrial DNA) analysis,The Genetic samples are extracted from the biological materials, these samples extracted are total genomic DNA like hair,tooth or samples of blood, Several copies of these genomic DNA are then produced using a polymerase chain reaction and flanking primers inorder to examines the length variation of DNA repeat sequences in human DNA.

Answer:

D. Mitochondrial DNA Analysis

Explanation:

Edg 2021

Answer: high mass and high height

Explanation:

The gravitational potential energy is refered as the potential energy that has to do with the energy in a particular object due to the height of that object.

With the above explanation, when objects that have different masses are suspended from a height, the one that will have the greatest gravitational potential energy will be the one with a high mass and high height.

Therefore, the correct option is A.

Compact bone is dense and forms the outer layer of bones, consisting of tightly packed osteons or Haversian systems, while spongy bone has a porous and lattice-like structure, with trabeculae that are filled with bone marrow.

The structure of compact bone and spongy bone is distinct and adapted to fulfill different functions within the skeletal system. Compact bone, also known as cortical bone, forms the outer layer of bones and provides strength and support. It is dense and composed of units called osteons or Haversian systems. Each osteon consists of concentric layers of bone tissue called lamellae surrounding a central canal, which contains blood vessels and nerves. The lamellae are arranged parallel to each other, providing strength and resisting mechanical stress. Compact bone is primarily found in the diaphysis or shaft of long bones.

In contrast, spongy bone, also referred to as cancellous or trabecular bone, has a porous and lattice-like structure. It is found at the ends of long bones, in the interior of flat bones, and in the epiphyses or metaphyses of long bones. Spongy bone contains thin, branching trabeculae that form a network. The spaces between the trabeculae are filled with bone marrow, which produces blood cells. The lattice-like structure of spongy bone provides structural support while allowing for the diffusion of nutrients and exchange of gases. It also reduces the weight of bones, making them lighter and facilitating movement.

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Answer:

sunlight and water with pigment creates oxygen. I think thats the correct formation Explanation:

Answer:nobel gaeses are found in the group 18 of the periodic table

Explanation:

Answer:

Noble Gases are found in Group 8 of the Periodic Table

Explanation:

In experiments to test apical dominance, researchers typically remove the apical meristem, which is the growing tip of a plant, and observe the response of the lateral buds that are located on the sides of the stem.

In tests of apical dominance, the growing tip of the plant, the apical meristem, is often removed, and the behaviour of the lateral buds, which are found on the sides of the stem, is observed. The lateral buds may either remain dormant or start growing in the absence of the apical meristem, depending on the experimental conditions.

If the lateral buds remain dormant, it suggests that the apical meristem is exerting an inhibitory effect on their growth, which is known as apical dominance. This inhibitory effect is thought to be mediated by the plant hormone auxin, which is produced in the apical meristem and transported downwards in the stem. When the apical meristem is removed, the auxin concentration decreases, which allows the lateral buds to start growing.

On the other hand, if the lateral buds start growing immediately after the apical meristem is removed, it suggests that the inhibitory effect of the apical meristem was not strong enough to prevent their growth, or that the lateral buds were already poised to grow even in the presence of the apical meristem.

Overall, experiments to test apical dominance provide insight into the mechanisms that regulate plant growth and development, and have important implications for agriculture and horticulture.

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Infectious diseases are caused by microscopic agents called pathogens - True.

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The control group should consists of 50 women who receive an identical looking pill that does not contain the drug.

In an experiment, the control group serves to establish the validity of the experiment. The experimental group is the group that receives the treatment while the control group is the group that did not receive the treatment. In this case, the treatment is the drug Hydrochlorothiazide (HTZ) which reduces blood pressure.

In the control group, 50 women who have high blood pressure could be given an identical looking pill that contains no Hydrochlorothiazide (HTZ) which reduces blood pressure.

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Answer:

thymine

Explanation:

Adenine always bonds with thymine, and cytosine always bonds with guanine

Primates that lose heat to the environment quickly are typically those with smaller body sizes, such as tarsiers and marmosets. These smaller primates have a larger surface area to volume ratio, which allows for faster heat loss to their surroundings.

Primates that have less body hair or fur tend to lose heat to the environment more quickly than those with more hair or fur. This is because hair or fur acts as insulation and helps to retain body heat. Some primates that have less hair or fur and therefore lose heat to the environment more quickly include: humans, baboons, macaques, gibbons, spider monkeys, tarsiers However, it is important to note that different species of primates have adapted to different environments, and therefore may have different strategies for regulating their body.

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Answer:

Explanation:

H