Plss help asap (missing) its just a fill in the blanks... ill mark brainliest!!!!

Our primary defense against invasion of pathogens into the body is by our immune system. It is a complex system that includes various cells, tissues, and organs working together to recognize and destroy harmful invaders such as viruses and bacteria. The immune system is essential for maintaining good health and preventing infections from spreading throughout the body.

Answer:

The immune system

Explanation:

The immune system defends humans from pathogens. Physical and chemical barriers prevent infection. White blood cells attack pathogens. Immunisations usually involve injecting inactive pathogens.

Answer:

D

Explanation:

Answer:

your answer is E. tissue culture 100% sure

Explanation:  

plato

The whole blood with solutions of different concentrations mixed in order to find the tonicity of each solution.

Osmosis is the movement of water from the high solvent concentration to low solvent concentration. The solution on addition of the red blood cells becomes opaque and the cells can be observed under the microscope. If the solution is hypertonic, the red blood cell loses water and undergo shrinkage. If the solution is isotonic, the water flow will be at equal rates and the cell will remain intact. If the solution is hypotonic, the water will flow into the cell causing the cell to swell up.

Learn more about tonicity here:

https://brainly.com/question/13275972

#SPJ4

Classic Pathway involves binding of complement proteins to the lipopolysaccharide layer of the bacterial cell wall

Bacteria are the prokaryotic and the unicellular organisms. They have a relatively simple cell structure then compared to the eukaryotic cells. They also do not possess any kind of membrane-bound organelles such as the nucleus. However, do they possess genetic material (DNA or the RNA) in the intracellular space called as the nucleoid

The Prokaryotic cells (i.e., Bacteria and the Archaea) are the fundamentally different from the eukaryotic cells that also constitute other forms of the life. Prokaryotic cells are defined by a much to simpler design than is found in eukaryotic cells.

To know more about Bacteria visit:

https://brainly.com/question/2145627

#SPJ4

The correct answer is:

C. Pleiotropic

A single allele that controls more than one character is said to be pleiotropic. In genetics, an "allele" is a variant form of a gene, and a "character" refers to a specific observable trait or feature in an organism, such as hair color or blood type.

Pleiotropy occurs when one gene influences multiple, seemingly unrelated phenotypic traits. This differs from polygenic traits, where multiple genes contribute to a single trait.

The other terms mentioned in the options are not related to the concept of a single allele controlling more than one character. "Autotrophic" refers to organisms that can produce their own food through processes like photosynthesis. "Linked" refers to genes that are located close together on the same chromosome and are usually inherited together.

In summary, when a single allele controls more than one character, it is called a pleiotropic allele.

Learn more about Pleiotropic here: brainly.com/question/3823803

#SPJ11

Answer:

The answer is 46 chromosomes.

Before mitosis, cell duplicates its DNA material so there are 46 chromosomes in duplicates and in total there are 46 x 2 = 92 sister chromatids. During mitosis, sister chromatids first join in the middle of the cell and then separate towards the opposite sides of the cell. After they separate, there are 46 sister chromatids on the one side and 46 sister chromatids on the other side. Each sister chromatid at the end of cytokinesis actually represents the chromosome of the newly formed daughter cell.

Explanation:

Answer:

Photosynthesis is the process by which plants convert light energy into chemical energy in the form of glucose. This process is essential in maintaining an oxygenated environment and cycling carbon.

Producers use water, carbon dioxide, and the energy from sunlight to produce high-energy organic molecules. These molecules are then used by consumers as a source of energy.

When consumers eat producers, they break down these organic molecules and release carbon dioxide back into the atmosphere through respiration.

The carbon dioxide can then be taken up by producers again through photosynthesis, therefore completing the cycle of matter through an ecosystem.

Answer: Your answer would be D. They convert energy stored in organic compounds into a usable form

Explanation:

Hope this helps <3

Answer:Sedimentation occurs when the water in which the soil particles are carried is sufficiently slowed for a long enough period of time to allow particles to settle out. Heavier particles, such as gravel and sand, settle out sooner than do finer particles, such as clay. Soil consists of a mixture of weathered or eroded rocks, nutrients, living organisms, organic matter, water, and air. A soil in optimum condition contains approximately 45% solid material, 5% organic matter, and 50% pore spaces, which are occupied by an equal proportion of water and air 

Explanation:

Answer:b

Explanation:

Answer:

Lactose intolerance

Explanation:

Lactose intolerance occurs when your small intestine doesn't produce enough of an enzyme (lactase) to digest milk sugar (lactose)

Answer:

Villi

Explanation:

Hope this helps have a good day :)

Answer:

stereoisomers are isomers that have the same composition (that is, the same parts) but has difference in the orientation of those parts in space. There are two kinds of stereoisomers: enantiomers and diastereomers .

Answer:

Grass

Grasshopper

lizard

snake

eagle

Answer and Explanation:

One of the methods that scientists use to sort and measure DNA strands is Gel electrophoresis.

Answer:

Domain: (-∞,∞) , {x|x ∈ R}

Range: , {x|}

Explanation:

Hi! The correct answer to this question would be B. Cystic fibrosis is caused by a mutation with the CFTR gene, leading to infection of the lung and even other organs in the body. One of the main things mitochondria does for the lungs in mucus secretion, but without the CFTR gene, it creates a thickening of the mucus. Hope this helps :).

Answer:

Both types of diabetes can be managed by eating healthy and being physically active.

Type 1 diabetes can be managed by taking injections of insulin.

Both types of diabetes can be managed by controlling blood pressure and cholesterol levels.

Answer:

CARBON!

Explanation:

plz mark as brainlest

According to polymerization reactions, as polymers are mainly composed of carbon the skeleton of polypropylene is made up of carbon.

The reactions in which large number of monomer molecules react to form polymer are called polymerization reactions.The large molecules which are produced from polymerization may have linear or branched structure.

They can also form a complex three dimensional structure . There are different polymerization reactions like step-growth polymerization, chain -growth polymerization and condensation polymerization.

Polymers containing same kind of monomer are homopolymer and which contain different monomers are heteropolymers. Mechanisms which describe formation of polymers are of different types such as free radical mechanism and chain growth mechanisms.

Learn more about polymerization reactions,here:

https://brainly.com/question/19607269

#SPJ5

Answer:

magma > sedimentary rock

Explanation:

magma can only be cooled into an igneous rock but cannot directly be formed into a sedimentary rock.

Answer:

Convergent boundary

Explanation:

It's when the plates move together and subduction occurs when one plate moves underneath another on a convergent boundary. Volcanoes are found there.

P.S. Brainliest, please?

Answer:b

Explanation:

Answer:

The data is:

Matt makes $80 per moth.

James makes ($80 - x) per month.

James makes $816 per year.

Now, a year has 12 months, then we have that:

($80 - x)*12 = $816

With this equation we can find the value of x.

so we must isolate x in one side:

($80 - x)*12 = $816

$80*12 - x*12 = $816

$960 - x*12 = $816

x*12 = $960 - $816 = $144

x = $144/12 = $12

Then james makes $12 less than Matt each month, this means that James makes:

J = ($80 -  $12) = $68 per month.

Answer:

X= 12

$68

Explanation:

I got it right on edge

Births, deaths, immigration, and emigration would depend on initial population size, reproductive rates, survival, and influx/outflow.

If rabbits from other areas migrate to the island during the first two years, it could lead to an increase in the rabbit population. The arrival of new individuals through immigration can have significant effects. Firstly, it can introduce genetic diversity to the population, which can enhance its resilience and adaptability to the island's conditions.

Genetic diversity provides a wider range of traits and variations that may help the population better cope with environmental challenges, such as changes in resource availability or disease outbreaks. Secondly, immigrants may bring different behavioral or physiological characteristics, which can potentially benefit the population.

To learn more about population follow the link:

https://brainly.com/question/15889243

#SPJ4

Answer:

A - The fact that the bone structures are similar supports the concept that the animals shared a common ancestor.

Explanation:

Homologous structures refer organs which are similar in structure which are derived from ancestors of similar species.

From the options The Largest carbon reservoirs on earth is : ( A ) Limestone

The Largest carbon reservoirs on earth includes the Earth crust ,Oceans and fossil fuels. Limestone makes up about 15% of the earth's crust ( sedimentary ) therefore it is the largest carbon reservoir out of all the options given above.

Limestones are used as raw materials for the production of cement and other building/construction materials.

The Earth crust contains about 50,000,000 g/tons of Carbon in total while the oceans contain about 40,000 g/tons of carbon which is followed by Fossil fuels at 10,000 g/tons

Hence we can conclude that the Largest carbon reservoir is Limestone

Learn more : https://brainly.com/question/22376436

Glycolysis is a spontaneous process that occurs in the cytoplasm of cells.

The process is made up of 10 steps, 5 of which are exergonic and 5 of which are endergonic. The free energy change of glycolysis is negative as a whole, indicating that the process is spontaneous, but the ΔG of each step varies. The steps with the asterisk have a slightly negative ΔG value. This means that the steps with the asterisk are exergonic and release energy rather than absorbing it.

It is also possible that the steps with the asterisk are closer to equilibrium than the other steps in glycolysis. When a reaction is near equilibrium, the ΔG is near zero, indicating that the reaction is neither exergonic nor endergonic. As a result, the steps with the asterisk have a smaller contribution to the overall ΔG of glycolysis than the other steps. Therefore, the steps with the asterisk have a smaller effect on the spontaneity of glycolysis than the other steps.

Furthermore, the ΔG values of the steps without an asterisk are positive, indicating that they are endergonic and require energy to proceed. These steps are driven forward by the exergonic steps, which produce energy that is utilized by the endergonic steps. The ΔG of the overall process is negative due to the presence of the exergonic steps, indicating that glycolysis is a spontaneous process.

Know more about Glycolysis here :

https://brainly.com/question/1966268

#SPJ11

Water movement across cell membranes is necessary for cellular integrity, but it can cause problems.

To learn more about cell membrane refer to :

https://brainly.com/question/1768729

#SPJ1

The population of beetles in the next three generations, considering the carrying capacity, is y1 = 130 beetles, y2 = 130 beetles, and y3 = 130 beetles.

The population of beetles can be calculated using the formula: y = y0 * (1 + r)^n, where y is the population at a given generation, y0 is the initial population, r is the intrinsic growth rate (expressed as a decimal), and n is the number of generations.

Given that the initial population (y0) is 60 beetles and the intrinsic growth rate (r) is 150% (or 1.5), we can calculate the population for the next three generations.

For the first generation (y1), we substitute y0 = 60, r = 1.5, and n = 1 into the formula: y1 = 60 * (1 + 1.5)^1 = 60 * 2.5 = 150 beetles.

For the second generation (y2), we substitute y0 = 60, r = 1.5, and n = 2 into the formula: y2 = 60 * (1 + 1.5)^2 = 60 * 6.25 = 375 beetles.

For the third generation (y3), we substitute y0 = 60, r = 1.5, and n = 3 into the formula: y3 = 60 * (1 + 1.5)^3 = 60 * 15.625 = 937.5 beetles.

However, since the environment can only sustain a maximum population of 130 beetles, we need to consider the carrying capacity.

To find the population at each generation while considering the carrying capacity, we compare the calculated population with the carrying capacity and use the smaller value as the population.

For y1, the population is 150 beetles, which exceeds the carrying capacity of 130 beetles. Therefore, y1 = 130 beetles.

For y2, the calculated population is 375 beetles, which is also above the carrying capacity. Thus, y2 = 130 beetles.

For y3, the calculated population is 937.5 beetles, which is still above the carrying capacity. Therefore, y3 = 130 beetles.

Learn more about population of beetles here:-

https://brainly.com/question/29406262

#SPJ11