Explanation:
LDL cholesterol will be in your blood and may lead to medical problems like heart disease, or strokes which can have impacting results. Essentially increasing the risk of cardiovascular disease.
Answer: The person’s risk of cardiovascular disease would increase
Explanation:
Identify the properties of soil
Answer:
All soils contain mineral particles, organic matter, water and air. this may determine the soil's properties....like texture structure chemistry and colour...
Explanation:
this may not be the perfect explanation but hope you got the point ᵔᴥᵔ
A sudden change in chromosomes or gene?
Answer:
The answer is CHROMOSOMAL MUTATION.
Explanation:
This is a mutation involving a long segment of DNA.
8.
Giving a dog a treat after telling it to roll over
What is he doing?
Answer:
Obeying you because you gave him the treat.
Your instructor gives you an unknown organ for you to examine and identify through microscopy. What should you do first with the sample?
a) cut it into sections
b) examine it for artifacts
c) fix it with preservative
d) stain it to enhance contrast
Answer:
The correct answer would be : option C) fix it with preservatives.
Explanation:
In the histology, examination and identification of the sample requires various steps in order to examine the specimen or sample and identification. These steps must be performed in correct sequence.
The first step to examine a sample is to fix it in current phase so that there is no change occur during the examination. With the help of preservatives an individual can fix the sample to its current state or phase.
Thus, the correct answer is : option C) fix it with preservatives.
Answer:
Fix it with preservative
Explanation:
Preservation is the main cadaver for human bodies in educational settings. Preservation is the safe procedure for the body to take it safe from harm, decomposition and the destruction. The body can be put safe in a chemicals The most important chemical in which the body put safe is formaldehyde. But now these days, there is threat related to the chemical formaldehyde. Preservation means to put something safe from decomposition, destruction and harm. Conservation is called something put in preservation to be safe. Embalmment is like the treatment of something with the chemical.
Peter loves music. He believes that he does his homework better and faster when he listens to music. His parents say that music is distracting when studying.
Answer:
Peter should be able to listen to music.
Explanation:
Peter should be allowed to listen to music because if he insists that it helps him to focus, then so be it.
Question 4
Understand: Explain why only some of the matter taken in by an
animal can be transferred to the next level of a food chain.
Answer:
don't understand your questions please send again
Some of the matter taken in by an animal can be transferred to the next level of food chain because some of the matter has been consumed by the animal organism for natural processes.
Food chain is a term that refers to the food relationship that involves several species of a biological community. The trophic chain is based on the transfer of nutritive substances in which each species feeds on a preceding species and so on.
A peculiarity of the food chain is that not all the material that an animal species ingests is transferred to the animal that feeds on it. This is because part of this material has already been consumed as energy for all the natural processes of the body, so only a small part is transferred to the next.
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2. Give ONE possible reason, biotic or abiotic, why the population decreased in 1990
after it had reached its carrying capacity.
Answer:
availability of resources.
Explanation:
Availability of resources is abiotic factor which is responsible for the decrease in population in 1990 because when the population reaches its carrying capacity so the organisms compete with each other and due to limited resources such as food etc the decrease occurs in population. Infection is also occurs when there is high population due to which death occurs and population of organism decreases.
One example of qualitative data that can be collected when using a microscope
Answer:
Qualitative and quantitative are two research technique that used in microbiology to collect the data information. These are very useful techniques.
Explanation:
There are several technique has been used in microbiology in collecting data. There are qualitative and quantitative collection of data. Qualitative data tells about data intent in yes or no form. The other techniques such as quantitative technique which provide information about the numerical value of data.
Qualitative technique is used in research would collect data on growth of the bacterial sample on the solid growth of the sample. It is used to assess whether the bacteria in the data is living or dead. It reveals the wealth of the qualitative information of data. The observation of microorganism in microscope get information whether the organism is in propelled motion or its dead.
*30 points* Purebred tall pea plants look the same as tall, heterozygous pea plants. Formulate a pollination experiment to identify whether a tall pea plant is purebred or heterozygous
Test crosses are used to determine the genotype of an individual that expresses a dominant trait by crossing this individual which an homozygous recessive individual expressing the recessive trait. The pollination experiment could be a test cross.
What is a test cross?
Test crosses are experimental crosses carried out to determine the genotype of one of the involved individuals.
Test crosses include a homozygous recessive individual and another individual of an unknown genotype whose phenotype we already recognize.
The main goal is to know if the individual of the unknown genotype is a heterozygous or a homozygous dominant individual.
If it is heterozygous,
→ 50% of the progeny will be heterozygous and express the dominant phenotype,
→ 50% homozygous recessive expressing the recessive phenotype.
If it is homozygous, the whole progeny will be heterozygous and will express the dominant trait.
In the exposed example, we have two traits: tall and short.
We will assume a diallelic gene codes for this feature, and expresses complete dominance.
Dominant allele T codes for tallRecessive allele t codes for shortTo determine if tall plants are homozygous dominant or heterozygous we will separate them and produce controlled test crosses with short plants, which are homozygous recessive.
The test cross between homozygous recessive plants and homozygous dominant plants will only produce tall plants.
Parentals) tt x TT
Gametes) t t T T
Punnett square) T T
t Tt Tt
t Tt Tt
F1) 100% heterozygous individuals, expressing the dominant tall phenotype.
The test cross between homozygous recessive plants and heterozygous plants will produce tall and short plants.
Parentals) tt x Tt
Gametes) t t T t
Punnett square) T t
t Tt tt
t Tt tt
F1) 50% heterozygous individuals Tt, expressing the dominant tall phenotype.
50% homozygous recessive plants tt, expressing the recessive short phenotype.
In conclusion, the pollination experiment to identify whether a tall pea plant is purebred or heterozygous is a test cross.
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1. There is only one way to accurately study the world around us?
Answer:
The correct answer would be : the scientific method.
Explanation:
The study of world around each and every organism is known as science. Science or the world around us can only study by the scientific method. Scientific method includes the observation of the world and forming question on the basis of these observation which is followed by investigations and experiments.
The observation and possible answer of the question can be check accurately that was formed with the help of data carried out in investigation.
Thus, the correct answer would be : the scientific method.
The part of a cell which contain chromosomes?
Julie: "Specialized cells in multi-cellular organisms are organized into tissues
and organs that perform specialized functions. The human body is made up
entirely of a collection of trillions of cells and things made from cells."
Kyle: “All cells look alike and specialized cells in multicellular organisms are
organized into tissues and organs that perform specialized functions.
Jennifer: “The human body is a collection of trillions of cells and things made
from cells contained inside an outer covering and inner coverings that contain
organs."
Which student do you think best describes the human body? On your own
paper, explain your answer write your answer in the next slide
Answer:
Jennifer
Explanation:
I think Jenifer because She The human body is a collection of trillions of cells and things made
from cells contained inside an outer covering and inner coverings that contain
organs. That is my opinion
what is the definition of anatomy
Answer : the branch of science concerned with the bodily structure of humans, animals, and other living organisms, especially as revealed by dissection and the separation of parts.
Explanation: Anatomy is the study of body parts of different organisms
Which of the following statements are true?
Both viruses and bacteria grow in potentially hazardous foods.
Both viruses and bacteria create spores to help them survive.
Both viruses and bacteria are invisible to the naked eye.
O Thousands of viruses are required to cause a food-borne illness.
Answer:
option C is true statement
Explanation:
both virus and bacteria are disease causing agent and are microscopic and are invisible to naked eye
Which removes carbon dioxide from the atmosphere, acting as a carbon
sink?
D. Formation of carbonates in the ocean.
(APEX)
Formation of carbonates in the ocean removes carbon dioxide from the atmosphere, acting as a carbon sink. Thus, the correct option is D.
What are the ways of carbon dioxide removal?
Carbon is stored on the planet in the following major sinks as organic molecules in living and dead organisms found in the biosphere, as the gas carbon dioxide in the atmosphere, as organic matter such as carbonates in soil and oceans, in the lithosphere as fossil fuels and sedimentary rock deposits such as limestone, dolomite.
The removal of carbon dioxide is essential because of continued high rates of global emissions. Since industrial revolution, carbon dioxide gas emissions have been building in the atmosphere, creating a warming layer of carbon pollution which is causing climate change.
Therefore, the correct option is D.
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Write an “O” next to statements that are examples of Observations and an “I” next to those statements that are Inferences. _____ 1. Dark color houses heat up faster than light color houses. _____ 2. Our school colors are black, red, and white. _____ 3. Hot water will freeze faster than cold water. _____ 4. The screwdriver has an orange handle. _____ 5. The temperature is 72 degrees F. _____ 6. Sugar makes your reaction time faster. _____ 7. Girls have better short term memory than boys. _____ 8. There 11 players on the field. _____ 9. The team with the faster point guard will win the game. _____ 10. The pizza has 8 slices
Answer:
1: I
2: O
3: I
4: O
5: O
6: I
7: I
8: O
9: I
10: O
Reflect on what was discussed in the video. How would you complete these general sentence stems regarding the nature of science? Note: It’s important to remember that this video only mentions some components of the nature of science! The below sentence stems can contain more characteristics, which we encourage you to discuss and consider. Science can lead to the development of: . It’s important to know that science is:
Answer:
Science can lead to the development of important technologies to maintain and increase our quality of life.
It is important to know that science is a necessary evolutionary resource for the growth and advancement of a nation.
Explanation:
Science is the main responsible for the creation of any and all technology capable of maintaining or creating better levels of quality of life. Through these technologies, better treatments and cures for diseases are developed, better food distribution, better educational methods, better urban infrastructure, better and greater food production, new jobs, among other factors that are very important for the maintenance of life such as improvement of the elements that we already have.
It is important to note that science is responsible for the progress of a nation. Nations that adopt negative and anti-science stances are doomed to ostracism and will be weak, vulnerable and completely out of date.
Question 1 (1 mark)
Learning goal 1: Which of these statements about matter are
correct?
'Matter includes substances that take up space and have
mass
-Organisms need matter to grow
-Food, air and water are all types of matter
-The Sun provides a constant supply of matter for food
chains
Answer:
Matter includes substances that take up space and have mass.
Have specific structures to do specific jobs
Answer:
yes they do Various structures need various jobs
Which theory suggests that aging is the result of unstable oxygen molecules that cause damage to the structure of cells with age
Answer:
Free radical theory of aging.
Explanation:
Free radical theory of aging suggests that aging is the result of unstable oxygen molecules that cause damage to the structure of cells with age because cells accumulate free radical damage overtime and free radical is an atom with unpaired electron in it's outermost shell. It is associated with oxidative damage.
the free radical theory is only concerned with free radicals such as superoxide ( O2− ), but it also comprises of oxidative damage from other reactive oxygen species such as hydrogen peroxide (H2O2), or peroxynitrite (OONO−).
1. In what ways you could increase the rate of reaction as it is taking place in the
image below?
Answer:
There are 4 methods by which you can increase the rate of a reaction:
Explanation:
Increase the concentration of a reactant.
Increase the temperature of the reactants.
Increase the surface area of a reactant.
Add a catalyst to the reaction.
Increase the concentration of a reactant, temperature, surface area of a reactant, addition of catalyst could increase the rate of reaction .
what increases rate of chemical reaction ?higher concentration of reactants causes more collisions leads to increase the rate of the reaction.
Temperature increase can lead to increase in the reaction rate.
Changing the pressure is one factor increases the reaction rate.
The medium of the reaction can affect the rate reaction go faster.
The powdered form of solid reactant can increase the surface area, will lead to faster the reaction.
Catalysts by lowering the activation energy increase the rate of a chemical reaction.
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whats pneomonoultramicroscopicvolcanoisis?
Answer:
An invented long word said to mean a lung disease caused by inhaling very fine ash and sand dust.
Explanation:
Answer:
Disease of lungs caused by inhaling very fine particles of metallic or crystalline silica dust. The sharp particles lacerate the lining of the lungs, causing victim to leak air from their lungs while simultaneously bleeding into their lung cavity.
It is also said to be the longest word in the dictionary.
Hope this helps you...
Tetralogy of Fallot is characterized by which of the following?
a. A ventricular septal defect
b. Right ventricular hypertrophy
c. Transposition of the great arteries
d. Obstructed right ventricular outflow
e. An aorta positioned above the ventricular septal opening
Answer:
a. A ventricular septal defect
b. Right ventricular hypertrophy
d. Obstructed right ventricular outflow
e. An aorta positioned above the ventricular septal opening
Explanation:
Tetralogy of Fallot is a combination of four heart defects as the name ‘Tetra’ depicts. The four heart defects include A ventricular septal defect ,Right ventricular hypertrophy ,Obstructed right ventricular outflow and An aorta positioned above the ventricular septal opening.
It usually occurs and discovered at birth and it involves the process whereby the heart isn’t able to pump oxygen-rich blood to other parts of the body. Instead the blood are usually oxygen deficient and could cause a variety of health complications.
The sympathetic preganglionic neuron cell bodies are housed in the _______ horn of the appropriate thoracolumbar regions of the spinal cord.
Answer:
The correct answer is "lateral horns of the T1L2 segments of the spinal cord".
Explanation:
The missing options of this question are:
A. anterior columns of the spinal cord.
B. posterior columns of the spinal cord.
C. sympathetic trunk.
D. lateral horns of the T1L2 segments of the spinal cord.
E. paravertebral ganglia.
The correct answer is option D. "lateral horns of the T1L2 segments of the spinal cord".
The cell bodies of the sympathetic preganglionic are located in the visceral efferent column of the spinal cord, which is also known as the lateral horns of the spinal cord. Since the cell bodies belong to preganglionic nerve fibers, they are always located close to the spinal cord. On the other hand, parasympathetic ganglia are often not located within the spinal cord, and act separate from the autonomic nervous system.
What does the term ion mean?
Answer:
See explanation
Explanation:
An ion is an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
ions are atoms that have either lost or gained an electron or a few and giving it either a positive or negative charge
Which of the following would cause a decrease in the number of species in an ecosystem?
a decreasing the number of predators
b increasing the food supply
c increasing the produceſ population
d introducing a competing species
Answer:
d) introducing a competing species.
Explanation:
Competition refers to a dynamic partnership in which various species or populations in the environment concurrently seek to utilize the same available resources. Organisms in an ecosystem compete for the same limited nutrients and in the process, one ultimately got an edge over the other. because resources are limited in nature, the population of one species decreases at the expense of the survival of the other.
What is the diffrence between a cold and a warm front
A cold weather front is defined as the changeover region where a cold air mass is replacing a warmer air mass. Cold weather fronts usually move from northwest to southeast. Warm fronts usually move from southwest to northeast and the air behind a warm front is warmer and moister than the air ahead of it.
Explanation:
what the scientific name of frog
Answer:
the answer is Anura.....
Answer:
anura ................
Which statement correctly compares the "Analysis" and "Conclusion" sections of a lab report?
which will have the GREATEST impact on kinetic energy
Answer: the speed of the body
Explanation: kinetic energy is equal to the the half of the multiple of mass and speed so the increasing and decreasing of the speed has a greatest impact on the kinetic energy.
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The kinetic energy of a body depends on its mass and velocity but velocity has the greatest impact on kinetic energy.
What is kinetic energy?The energy that an object has as a result of motion is known as kinetic energy. It is described as the effort required to move a mass-determined body from rest to the indicated velocity. The SI unit of kinetic energy is the joule (J).
Radiant, thermal, acoustic, electrical, and mechanical kinetic energies are the basic categories. The capacity to perform work is kinetic energy's most significant quality. Kinetic energy can be increased by increasing mass and velocity and can be decreased by decreasing them.
Kinetic energy depends on both the mass and velocity of the body but it is most affected by velocity.
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