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The digestion of protein begins at mouth and it continues at stomach and small intestine.
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In an observational study researchers try not to
A. Photograph any of the subjects
B. Include people who are difficult to contact
C. Ask questions that are too obvious
D. Influence the people in the study
Answer:
D
Explanation:
Energy + 6CO2 + 6H2O → 6O2 + C6H12O6 This is the chemical reaction that occurs during photosynthesis; identify which of these is a product in this chemical reaction.
Answer:
The product is C6H12O6 and 6O2
Explanation:
Photosynthesis is a process where green plants use the light energy from sunlight along with carbondioxide (CO2) and water(H2O) to produce carbohydrates (C6H12O6) and oxygen(O2).
The inputs are carbondioxide,water and energy and the products are carbohydrates and water.
Therefore products of photosynthesis are carbohydrates and oxygen
A key contribution to Darwin's thinking was the concept of limits put on the geometric growth of populations by nature, originally proposed by:
Answer:
Answer:Karl Popper.
Explanation:
. A key contribution to Darwin's thinking was the concept of limits put on the geometric growth of populations by nature, originally proposed
Karl Popper
how do animals get their food
From plants
Explanation:
Animals are heterotrophic hence feed on already manufactured food ie complex carbs from plants
Answer:
They search for their food or catch prey.
Explanation: There are three types of animals
1)Herbivores
2)Carnivores
3)Omnivores
Herbivores are basically vegetarians.They only feed on plants.
Carnivores are meat eaters.
Omnivores eat plants and meats both.
So basically it depends on the type of animals. If they are herbivores they will only eat plants which is really easy to find.
If they are carnivores they will catch prey on other animals.Which is really difficult, they need to look for foods and fight for them.
Omnivores eat both so it's quite easy for them too.
The x-ray film shows a fracture where one side of the cortex is intact and flexed and the other side has signs of interruption (fracture). Which term best describes this type of fracture?
a. Comminuted
b. Greenstick
c. Impacted
d. Stress
Answer:
The correct answer is - option B.
Explanation:
Greenstick fractures are the type of fractures where one side of the cortex is intact and flexed while the other side is fractured. This type of fracture known as the incomplete fracture,
If any fracture have two or more lines of fracture it is called as Comminuted fractures. Impacted fractures have one segment on other. Due to the performing same activity again and again stress fracture occures that is characterized by failure of one cortical bone.
Thus, the correct answer is option B.
Explain how and why a drop of syrup can spread through the water in a beaker without stirring?
Answer:
The syrup drop spreads in water without stirring because particles of syrup separate water molecules and bump into it and dissolve.
Explanation:
Answer:
The syrup drop spreads in water without stirring because particles of syrup separate water molecules and bump into it and dissolve.
Explanation:
This is called diffusion. If you just leave the drop of syrup in the beaker for a while, it will eventually spread out around the beaker and all of the water will become sweet.
For example:
This is just like a restaurant, there is non-smoking half of the restaurant and there is a smoking half. The smoke will eventually spread out front he smoking corner to the non-smoking corner.
Another example:
If you pee in the pool, the pee will eventually spread out through the pool.
Which two organelles are responsible for producing phospholipids and sphingolipids? A. mitochondria and proteasome B. endoplasmic reticulum and mitochondria
Answer:
Endoplasmic reticulum and golgi
Explanation:
Explain the organic evolution
Answer:
The Theories of Organic Evolution explains convincing the origin of life. It also explains how the wide variety of plants and animals came into existence in the world. According to this theory, the world has been evolved and not been created.
Explanation:
Answer:
organic evolution The process by which changes in the genetic composition of populations of organisms occur in response to environmental changes. See adaption; evolution. Compare biochemical evolution. A Dictionary of Biology. ×
Explanation:
*Hope this helps*
2. Which one of the statements explains a characteristic of both all living organisms and all nonliving material? They both are complex, with spatial organization at several levels. They both conform to the basic laws of chemistry and physics. They both have the ability to reproduce. They both have the ability to change in response to the environment. They both have the capacity to evolve.
Answer:
They both conform to the basic laws of chemistry and physics.
Explanation:
The statement that explains a characteristic of both all living organisms and all nonliving material is that they both conform to the basic laws of chemistry and physics. The correct option is B.
What are living organisms?A living organism is made up of cells. The cells divide, and the creatures' bodies grow as the total count of cells increases.
A tree is a living entity that exhibits the growth process. The road, pen, and water are non-living organisms that do not exhibit the growth process.
Non-living objects are inanimate artifacts or forces that have the power to influence, shape, alter, and impact the life of an organism.
Non-living things include rocks, water, climate, weather patterns, and natural events like rockfalls and earthquakes.
The statement that encompasses a feature of all living things and all nonliving things is that they both obey the fundamental laws of chemistry and physics.
Thus, the correct option is B.
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horizontal gene transfer can occur through several mechanisms. why is this relevant to humans
Answer:
Explanation:
Horizontal gene transfer helps in acquiring relevant gene that are not present in cell but are beneficial.
If a gene is lost in the cell, through gene transfer it can be regain and the various adverse effect caused through the absence of the gene can be reversed.
It also help in treatment of various disease such as cancer by introducing into the body non cancerous cells and prevent the spread of cancerous cells .
Answer:
Explanation:
Penn foster
In summary, the five senses are sight, hearing, smell, feeling, and taste. The five senses work together to help you live, protect yourself, learn, and enjoy the world around you. What happens to a person's vision when they are farsighted? Seleccione una: a. Can see up close b. Can't see up close c. Can't see far way d. Need books written in braille
Answer:
b
Explanation:
unable to see things clearly, especially if they are relatively close to the eyes, owing to the focusing of rays of light by the eye at a point behind the retina; hyperopic.
Describe and name the 5 ocean layers.
Which advancement in technology has helped cut down on waste?
The writing materials,the envelopes and the stamps are all made of paper and this led to a great waste as the papers have to be disposed after use. This is not the case with electronic mails. Electronic mails do not need paper at all and it has drastically reduce the amount of papers that is used in writing letters.
I hope this helps :)
Answer:
The best advancement in technology that helped cut down on waste was Email. It revolutionized the world in a way that meant less paper was going to be wasted.
Explanation:
Does mixing compost with soil improve the growth of plants?
Answer:
yes!
Explanation:
Mixing compost with soil provides nutrients for plants today but also enhances soil for future years. The amendment naturally breaks down, releasing important macro- and micronutrients while feeding the beneficial biological organisms in the soil. It also increases the porosity of the soil and helps conserve moisture.
how many protons are in the nucleus of an aluminum atom
Answer:
13 protons
Explanation:
Aluminum has an atomic number of 13, therefore it has 13 protons.
The way in which relative distance from the ocean can produce significant differences in climate is termed as .
Answer:
Continentality
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Describe the differences between the sporophyte and gametophyte generations of seedless tracheophyte plants and be sure to discuss structures and ploidy.
Answer and Explanation:
Tracheophyte plants, also known as vascular plants, are those that possess a supportive tissue that can also conduct fluids -The Xileme- and another tissue that conducts nutritious elements produced by photosynthesis -The Phloem-. These plants have a root (basically underground), a stem (aerial), and leaves. All of them together form the corm. And the corm counts with these vascular tissues to which we referred before.
There are different types of Tracheophyte plants, some of them produce seeds to reproduce and disperse -Spermatophyta- and some others reproduce and disperse by spores -Pteridophyta-. This last seedless group corresponds to ferns and other similar plants.
Pteridophytes characterizes for having a sporophyte that has stems with leaves and a root. It also has primitive xylem composed by tracheids and phloem, both of them formed by vascular bundles located in a central cylinder.
Spores are its dispersion units and are responsible for colonizing new areas. They also constitute the resistance units under extremely unfavorable conditions.
Their life cycle is composed of the asexual phase (sporophytic phase) and the sexual phase (gametophytic).
The sporophyte, the dominant asexual generation, it is a perennial and diploid structure. Its aerial part might disappear during unfavorable seasons, but it reappears during spring or summer. The sporophyte is in charge of asexual reproductionThe gametophyte, instead, is and haploid structure, ephemeral and must be in the water for its survival, and for sexual reproduction to be successful. In the presence of water, masculine gametophyte -antherozoids- are released and they swim to the archegonium to meet the ovocell. Antherozoids can swim because they have flagella. After fertilization, a new sporophyte is produced.What is difference between nervous and chemical(endocrine) system???
Answer:
Endocrine system uses chemical signaling (hormones produced by glands) while the nervous system uses electrical signaling (neural impulses).
Answer:
The differences are given below ↓
Nervous System
Electrical impulses are the messengers in the nervous systemBrain and the spinal cord constitute the nervous systemNerve impulses are transmitted through neuronsThe nervous system is under both voluntary and involuntary controlNerve impulses make use of the neurotransmitters at synaptic clefts and sodium and potassium channels and enter the target cellsResponses are localisedChemical (Endocrine) System
Hormones are the chemical messengers in the endocrine system that target cells through the bloodstreamGlands and organs like thyroid, pituitary glands and reproductive organs (ovaries and testes) are involved in the endocrine systemHormones are transmitted through blood vesselsThe endocrine system is under involuntary controlThe hormones enter into the target cells by diffusing through the plasma membrane or by binding to the cell receptorsResponses are widespread
In which form do plants store energy?
Question:
In which form do plants store energy?
Answer:
Starch
Answer:
plant store energy in the form of strach.
Explanation:
strach is a polysaccharide made up of long chains of gulcose molecules.
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Red blood cells are placed into a solution of unknown solute concentration. After an hour they have all burst open. The BEST explanation is that the solution
Answer:
Hypotonic
Explanation:
the solution is of lower concentration compared to that of blood cells
When a cell is stressed because something is wrong, these L flags become very active.
O Protein
O carbohydrate
lipid
cholesterol
Answer:
The correct option is;
Protein
Explanation:
Stress proteins are the class of proteins used to mediate cellular stress response. There are two types of stress proteins including the stress activated proteins and the dual functioning, stress response and cell function protein. By being a primary source of survival of cells under stress has resulted in the conservation and associated existence of the similar stress proteins in different classes of living organisms.
in scientific method, a part of the experiment is repeated many times in order to reduce randomness or error. These repetitions are called ____.
1. methods
2.control
3.variables
4.trials
A genetically programmed cell death is a process that can destroy cells that are no longer needed. What is the best method to do this
Answer:
Apoptosis
Explanation:
In such a case the best method to do this would be Apoptosis. This is one of such a process in which the cells that are no longer needed in a multicellular organism or are instead a threat to the organism itself are destroyed by a programmed cell death. When an embryonic, paddle-shaped hand forms indentations to shape the individual finger it has completed the process of Apoptosis as it destroys the cells in order for new ones to make the shape.
What are the primary structures and functions of macromolecules?
Answer:
There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions. Combined, these molecules make up the majority of cell's dry mass (recall that water makes up the majority of its complete mass)
In order to power an elevator, a motor must convert electrical energy into which other type of energy?
A. mechanical energy
B. nuclear energy
C. light energy
D. thermal energy
Answer:
A. mechanical energy for use
Waxing the floor helps protect it from scratches and makes it look nice. The school wants to find out whether the expensive floor wax is better than the cheap version. One liter of each brand is applied to 5 test sections in the hall. 5 other sections are not waxed. After 3 weeks, the number of scratches in each of the test sections is counted.
What is the INDEPENDENT variable in this experiment? *
Your answer
What is the DEPENDENT variable in this experiment? *
Your answer
What are the CONSTANTS in this experiment?
Help- this is for a grade :,
Answer:
INDEPENDENT variable - type of floor cleaner
DEPENDENT variable- numbers of scratches
Constants : number of test sections and size of test sections
Explanation:
Independent variable is a variable which is change dependent variable by manipulated itself, type of floor cleaner costly one or cheap one is independent variable in this case.
Dependent variable is a variable which is analyzed or measure in experiment it is something that shows response to the independent variable. In this case number of scratches before using cleaner and after using cleaner.
Constants is something in experiments that does not change in the experiment. Number of test sections and size of test sections is constant here in this case.
Blood vessels carry nutrients (like glucose)and oxygen to the muscles cells that need them blood vessels take away carbon dioxide and waste from muscle cells what are two systems?
Answer:
veins and arteries
Explanation:
veins carry deoxygenated blood from the cells in the body to the heart and arteries vice versa
The circulatory system consists of veins and arteries which circulate blood from the heart to the lungs to get oxygen. The arteries carry oxygenated blood to the rest of the body from the heart. The veins bring oxygen-depleted blood back to the heart, where it is circulated again.
The blood gets oxygenated in the lungs. The arteries which carry oxygenated blood from the lungs to the body parts is known as the pulmonary artery. It enters the heart through the left atrium. The left ventricle then pumps the blood through the aortic valve into the aorta.
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Which of the following is not found in all cells?
Cell membrane
Genetic material
Cytoplasm
Cell wall
Answer:
option D is correct
Explanation:
cell wall is not present in all cells because it is present in plant cell but not in animal cell
Cell wall is the structure that is not found in all cells, only in bacteria and plant cells where it is attached to the plasma membrane on the outer surface.
What is a cell wall?A cell wall is a rigid structure that lies outside the plasma membrane and protects the contents of the cells of algae, fungi, plants, bacteria, and archaea.
Characteristics of a cell wallIt can be a layer of chitin (in the case of fungi), cellulose (plants), peptidoglycan (bacteria), or other materials.It is responsible for protecting the contents of the cell and absolute rigidity to the cell structure.Therefore, we can conclude that the cell wall is what covers prokaryotic cells and plant cells.
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Forensics- List the variables that can have a significant impact on the accuracy of a
person's observation
Proper nutrition helps professionals stay abreast of new developments in the field, facilitates communication among professionals, and plays a role in professional activities such as teaching, assessment, and research.
a. True
b. False
Answer: True.
Explanation:
Proper nutrition refers to quality food that contain balanced diet or necessary nutrients required for the proper functioning of the body.
Proper nutrition helps professionals stay abreast of new developments in the field, facilitates communication among professionals, and plays a role in professional activities such as teaching, assessment, and research because proper nutrition help to maintain healthy gain, reduce risk of diseases, maintain the proper functioning of body system and overall cognitive and proper brain functioning. When proper nutrition is taken, it supplies the body with the necessary nutrients that is required to function properly both physically and psychologically which will facilitates communications, increased assimilation, increase activities done and Foster proper teaching and assessment.