explain about Synapsis or crossing over mechanism for increasing genetic diversity

Answer:

Soil water can affect the structural integrity or coherence of a soil; saturated soils can become unstable and result in structural failure and mass movement. Soil water, its changes over time and management are of interest to geo-technicians and soil conservationists with an interest in maintaining soil stability.

Explanation:

I hope it helps..

Answer:

1. Glucose itself is a monomer of both sugar and starch. A monomer is a component of a polymer; in other words, many monomers come together to form a polymer.

2. Proteins

3. Nucleic acids

4. It is made of monomers called of Fatty Acids and Glycerol which are made mostly of Carbon, Oxygen, and Hydrogen atoms with mostly C and H, and a few O atoms.

5.  What three elements do all bio molecules have in common? Carbon, hydrogen, and oxygen.

6. Glucose has the chemical formula`C_6H_12O_6` and is a 6-carbon sugar. Each of these carbon atomsare connected to an oxygen atom and a hydrogen atom. However, 5 of these carbon atoms are connected to hydroxyl group or OH-.

7.  Each molecule contains a central carbon (C) atom, called the α-carbon, to which both an amino and a carboxyl group are attached. The remaining two bonds of the α-carbon atom are generally satisfied by a hydrogen (H) atom and the R group.

8. To form a nucleotide, a base connects to the first or primary carbon of ribose or deoxyribose.

9.  2:1

10. Nitrogens and sometimes sulfur.

11.  Phosphorous

12. Cellulose, in contrast, is linear, consisting of a long chain of glucose monomers with hydrogen bonds interspersed between carbon atoms at regular intervals.

13. The first picture going from left to right is nucleic acid, the second one is lipid, the third one is carbohydrate, and the last one is protein.

Explanation:

Answer:

Effects of Ecstasy on the nervous system:

- stimulant

- psychedelic

- neurotoxic

- abnormal neurotransmitter function  

- injured cognitive functions (e.g., sleep and pain control)

Explanation:

Ecstasy, also known as MDMA (3,4Methylenedioxymethamphetamine), is a stimulant and psychedelic drug that may exhibit neurotoxic effects. This amphetamine analog (i.e, drug based upon the amphetamine structure) has several effects on the nervous system which are caused by the increase in the activity of three major neurotransmitters: serotonin, dopamine, and norepinephrine. It has been shown that Ecstasy alters the central nervous system, producing neurotoxic effects and affecting brain functions including, among others, cognitive functioning and development, neuroendocrine release mechanisms, sleep control, pain control, etc.

Patellar tendonitis, also known as jumper's knee, is a disorder that causes the tendon to swell. The patella (kneecap) and tibia (shin bone) are joined by this. The tendon is weakened by jumper's knee, which, if left untreated, can result in tendon rips.

A frequent overuse condition, Patellar tendinitis is brought on by the Patellar tendon being stressed repeatedly. The stress causes the tendon to tear very little, which your body tries to mend. However, as the number of tendon tears increases, they weaken the tendon and create pain from inflammation.

When the tissues of the patellar tendon are repeatedly pushed too far or too quickly, patellar tendonitis results. Jumping and running quickly put strain on the bands of the patellar tendon tissues. The tendon tissues weaken and hurt over time as a result of numerous small tears and sprains.

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Answer:

A missense mutation is a mistake in the DNA which results in the wrong amino acid being incorporated into a protein because of change, that single DNA sequence change, results in a different amino acid codon which the ribosome recognizes. ... More frequently, it causes the protein to be less effective in doing its job.

Answer:

because it can change who you are ,

Lava that cools on the surface, but not in contact with air, is most likely to have glassy and is therefore denoted as option A.

This is referred to as a form of molten rock known as magma which has been expelled from the interior of a terrestrial planet or a moon onto its surface.

Lava cools easily when they are expelled to the surface due to the having contact with the atmosphere. This leads to the formation of crystals which has a glassy texture and is therefore the reason why it was chosen as the correct choice.

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Answer:

The ideal temperature for Radish seed germination is between 18°C and 29°C. Air and soil temperature ranges affect Radish seed germination. Air temperatures of about 10 to 18°C will give the best results

Explanation:

Answer:

To absorb water and minerals.

Answer:

Animal fossils

Explanation:

They include ankylosaurs (the armoured dinosaurs), mosasaurs and plesiosaurs (both marine reptilian groups). Seymour Island, just off the Antarctic Peninsula, is one of the most important fossil sites on Earth.

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Answer:

Option b) waxes

Explanation:

because it is kind of liquids utilized in synthesis of rubber

In this case, a cross-sectional study design was employed to evaluate the association between vitamin and mineral deficiencies and headaches. This study design is commonly utilized to investigate the distribution and possible risk factors for a condition at a particular moment in time in a defined population.

Cross-sectional studies provide data on the frequency and distribution of risk factors, conditions, and diseases in a population, which is useful for identifying public health problems. Data were collected using a standardized questionnaire that inquired about patients' demographics, stress levels, and headache symptoms. Blood samples were collected and examined for vitamin and mineral concentrations in a laboratory. The mean age of the patients was 38 years, and 75 percent of them were female. More than 50% of the participants had mild to moderate stress levels, whereas 15% had severe stress levels. Approximately 40% of the participants had insufficient vitamin D levels, 30% had low iron levels, and 25% had low magnesium levels.

Deficiencies in magnesium and iron were found to be associated with headaches, whereas deficiencies in vitamin D were not found to be statistically significant. Stress was also found to be linked to headaches in this study. In conclusion, this cross-sectional study discovered that deficiencies in magnesium and iron and high levels of stress are linked to headaches.

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Containers used in international transport are equipment designed to facilitate the carriage of goods by one or more modes of transportation that must meet ISO standards for dimensions, strength, and security. These containers are manufactured according to international standards and specifications to ensure that they can be handled safely during loading, unloading, and transportation.

ISO (International Organization for Standardization) standards play a vital role in ensuring that containers used in international transport are safe and reliable. ISO standards establish uniform dimensions and strength requirements for containers, making them easier to handle and transport across different modes of transportation such as sea, air, and land.

These standards help to ensure that containers can be loaded and unloaded safely and efficiently, minimizing the risk of damage or loss during transit.Containers used in international transport are typically made of steel or aluminum and are available in a variety of sizes and types to meet different shipping needs. oversized or irregularly shaped cargo. Regardless of the type of container used, all must meet the relevant ISO standards to ensure they are fit for purpose and safe to use.

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Answer:

Nutrients are chemicals that are required for plant and animal growth and other life processes. Nutrients are accumulated for short or long periods of time in Earth's atmosphere, oceans, and land masses. Scientists refer to these accumulations as stores (Figure 2.15).

Explanation:

Answer:

In the nitrogen fixation process, nitrogen fixing bacteria converts the N2 in the atmosphere into NH3 (ammonia). This bacteria binds hydrogen molecules with the gaseous nitrogen to form ammonia in the soil. ... From the conversion of ammonia to nitrites, bacteria also aids in this process called nitrification

Explanation:

1. True 2. True 3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the  Option a. Rigor

True - A critical review of the literature is necessary in nearly all research projects. It helps researchers understand the existing knowledge and gaps in the field, identify relevant theories and methodologies, and build upon previous studies.

True - Objectivity and parsimony are both related to the rigor of an investigation. Objectivity refers to the impartiality and lack of bias in conducting and interpreting the research, while parsimony refers to the principle of simplicity in explaining phenomena or choosing the most straightforward explanation. Both objectivity and parsimony contribute to the rigor of a scientific investigation.

a. Rigor - Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the rigor of the investigation. Rigor refers to the thoroughness, precision, and reliability of the research process, including the theoretical underpinnings and the robustness of the methods employed.

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The correct question is:

1. A critical review of the literature is necessary in nearly all research projects.

True

False

2. Objectivity and parsimony are both related to the rigor of an investigation?

True

False

3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the of the investigation What must be filled on the line?

a. Rigor

b. Precision and confidence.

c. Objectivity

d. Parsimony..

Answer: Epithelial Cell

Explanation:

The given picture above is an example of epithelial tissue. Option 3 is correct.

Epithelial tissue is a type of tissue that covers the outside of the body and lines the inside of organs and cavities. It is made up of tightly packed cells that form a continuous sheet. Epithelial tissue has many functions, including:

There are four main types of epithelial tissue:

Simple squamous epithelium: This type of epithelium is made up of a single layer of flat cells. It is found in the lining of the blood vessels, lungs, and kidneys.

Simple cuboidal epithelium: This type of epithelium is made up of a single layer of cube-shaped cells. It is found in the lining of the kidney tubules and the small intestine.

Simple columnar epithelium: This type of epithelium is made up of a single layer of column-shaped cells. It is found in the lining of the stomach, intestines, and uterus.

Stratified squamous epithelium: This type of epithelium is made up of multiple layers of flat cells. It is found in the skin, the lining of the mouth, and the esophagus.

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2.

No movement of water would have

occurred if they were isotonic.

3.

The molecule has codons and is used to tell tRNA which amino acid is needed is anticodon.

tRNА is а type of RNА thаt is folded into а specific three-dimensionаl structure. It cаrries аnd trаnsfers аn аmino аcid to the polypeptide chаin thаt the ribosome is аssembling.

One end of the tRNА contаins аn аnticodon, а sequence of three nucleotides thаt is complementаry to the three nucleotides in the corresponding codon on the mRNА. Eаch аnticodon is specific to one аnd only one codon. By binding its аnticodon to the complementаry mRNА codon, the tRNА аcts аs аn аdаpter, bringing into position the correct аmino аcid thаt is needed for the polypeptide chаin.

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The given statement "Coelacanths and the earliest amphibians share a common ancestor" is true and, Coelacanths is also known as a concestor.

The coelacanth is a type of lobe-finned fish that is often considered a living fossil due to its close resemblance to ancient fish species. It is believed that coelacanths and the earliest amphibians diverged from a common ancestor during the evolution of vertebrates.

Both coelacanths and amphibians belong to the larger group of vertebrates known as sarcopterygians, which includes organisms with fleshy, lobed fins. The shared ancestry between coelacanths and early amphibians is evidence of their evolutionary relationship.

Lobe-finned fish, such as the coelacanth, are a group of fish characterized by their fleshy, lobed fins supported by a series of bones. They are considered to be closely related to early tetrapods, the ancestors of land vertebrates.

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Answer:

1.Prophase

2.Metaphase

3.Anophase

4.Telophase

5.Cytokinesis

There are several methods for isolating bacteria, some of which include:1. Streak Plate Method 2. Spread Plate Method 3. Pour Plate Method 4. Loop Dilution Method 5. Serial Dilution Method 6. Filtration Method.

Answer:1. Streak Plate Method 2. Spread Plate Method 3. Pour Plate Method 4. Loop Dilution Method 5. Serial Dilution Method 6. Filtration Method These methods are used to isolate bacteria for different applications like medical, industrial, and research purposes.

Each method has its advantages and limitations. The selection of the method depends on the type of bacteria to be isolated, their abundance, and the desired end use.

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Answer:

se.xual reproduction

Explanation:

Answer:

- (Sexual Reproduction) is a type of reproduction in which the

genetic materials from two different cells combine producing an offspring.

The complementary DNA strand, since Adenine(A) binds with thymine(T) and guanine(G) pairs with cytosine(C) is

TACATGGTA

Answer:

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The charge distribution is evenly distributed, and the molecules do not have positive and negatively charged ends.

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Answer:

lipids are nonpolar moecules which means their ends are not charged. Because they are nonpolar and water is polar lipids are not soluble in water. That means the lipid molecules and water molecules do not bond or share electrons in any way. Hope this helps

Answer:

The brain cells contain DNA molecules, but the skin cells do not.

The skin cells contain DNA molecules, but the brain cells do not.

The brain cells and skin cells both contain DNA molecules, and their DNA molecules contain the same genetic information.

The brain cells and skin cells both contain DNA molecules, but their DNA molecules contain different genetic information.

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Examples of industrial microbiology include producing enzymes for fabric care, developing next year's flu vaccine, and designing genetically modified plants.

Investigating the vector of the zika virus, elucidating the role of archaea in nitrogen cycling, and determining the ultrastructure of flagellar motors are not examples of industrial microbiology.  In the context of industrial microbiology, the examples include: c. producing enzymes for fabric care, d. developing next year's flu vaccine, and e. designing genetically modified plants. These options involve the use of microorganisms or their products for practical and industrial purposes. Examples of industrial microbiology include producing enzymes for fabric care, developing next year's flu vaccine, and designing genetically modified plants.

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Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as homeostatic mechanisms.

Homeostasis is the body's ability to maintain a stable internal environment despite external changes.

In the context of the brain, homeostatic mechanisms involve various processes that regulate physiological functions and maintain optimal levels of essential substances.

These mechanisms can include feedback loops that detect imbalances and initiate corrective actions.

For example, if there is a deficiency in a particular nutrient or hormone, the brain may activate mechanisms to increase its production, decrease its consumption, or enhance its absorption from the environment.

Homeostatic mechanisms play a crucial role in ensuring the body's overall stability and functioning, helping to maintain proper levels of various substances and promoting overall well-being.

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