Option D
Science is the systematic study of the world around us through observation and experiment. ...
The water cycle summarizes the processes that take place when water moves through the hydrosphere. The water cycle is shown here:
Explanation:
water moves through the hydrosphere in a cycle. Water collects in clouds, then falls to Earth in the form of rain or snow. This water collects in rivers, lakes and oceans. Then it evaporates into the atmosphere to start the cycle all over again
A monomer is to a polymer, like a____? A) word is to a sentence B) Lego block is to a Lego castle C) tree is to a forest D) All of the above
Please help I'm taking a test
A monomer is a polymer like a word is to a sentence, a Lego block is to a Lego castle, and a tree is to a forest. The correct option is D) All of the above.
What are polymers?Polymers are chains of monomers. Many monomers join together to form polymers. Monomers are single units of something. Now many polymers are made up of the same types of monomers, they are called homopolymers.
Herteropolymers are those polymers that are made up of different units of monomers. A group of words makes a sentence. Lego is a piece of plastic block that made a Lego castle or other things. Trees are the monomers unit of a forest because many trees made a forest. So all these are equivalent to what a monomer is to a polymer.
Thus, the correct option is D) All of the above.
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In a dichotomous classification system, __________.
a) a population is repeatedly divided into two parts until a description identifies a single member
b) A population first divided into two parts, then three parts, and then four parts, until a description identifies a single member.
c) dichotomous keys are called natural keys
d) A population is repeatedly divided into three parts until a description identifies a single member.
e) A population is repeatedly divided into four parts until a description identifies a single member.
b) A population first divided into two parts, then three parts, and then four parts, until a description identifies a single member.
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Compare types of models. Which model of the human digestive system is most detailed?
A. Photograph of digestive system
B. Dissected pig
C. Artist drawing
D. 2D computer-generated model
The model of the Human digestive system that is most detailed is ( B ) : Dissected Pig
Pigs and Human have similar internal organs and the locations of each organ in both mammals are similar as well, therefore from the options the closest model that is most detailed as regards to the Human digestive system is a dissected pig.
A photograph of the digestive system does not provide a detailed model, also an artist drawing cannot provide as much detail as needed. A 2d computer-generated model will only present the digestive system in 2 dimensions hence it is not detailed enough as well.
Hence the most detailed model is a Dissected pig model.
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Which of the following is true about science and technology?
A.
Advancements in science cannot lead to advancements in technology, and technological advancements cannot lead to scientific advancements.
B.
Advancements in science can lead to advancements in technology, and technological advancements can also lead to scientific advancements.
C.
Advancements in science can lead to advancements in technology, but technological advancements cannot lead to scientific advancements.
D.
Advancements in science cannot lead to advancements in technology, but technological advancements can lead to scientific advancements.
Instructions for making proteins are found in?
1 ribosomes
2 DNA
3 RNA
4 enzymes
Answer:
Ribosome
Explanation:
The ribosome reads the instructions found in the messenger RNA molecules in a cell and builds proteins from these mRNAs by chemically linking together amino acids (these are the building blocks of proteins) in the order defined by the mRNA.
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What are the total number of subatomic particles found in the electron cloud of an Aluminum atom?
Answer:
13 electrons pls pls mark me branilest
What describes how a large host cell and ingested bacteria could easily become dependent On one another for survival resulting in a permanent relationship
Answer:
The endosymbiotic theory describes how a large host cell and ingested bacteria could easily become dependent on one another for survival
Explanation:
All the biological macromolecules contain carbon hydrogen and oxygen however most do not contain nitrogen. The category that contains nitrogen are
Answer:
you mean science.
Explanation:
Answer:
B) Proteins
Explanation:
Proteins are the only biological macromolecules that does contain nitrogen is proteins. Carbhohydrates, Unsaturated fats, lipids all do not contain nitrogen
Explain the difference between asexual and sexual reproduction
Answer:
Asexual reproduction is when a living thing reproduces with only a single parent. Sexual reproduction involves two parents and chromosome change.
Explanation:
Ex of Asexual reproduction: Ferns, bacteria, animals, etc.
Ex of Sexual reproduction: Animals, some plants, etc.
Why is it difficult to get people to follow regulations protecting a common?
Most people are not directly impacted by polluting a common.
People care more about money than the welfare of others.
The rules are too strict and prevent meeting basic needs.
Common area resources belong to everyone.
Answer:
I think it is...
A. Most people are not directly impacted by polluting a common.
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[tex]AnimeVines[/tex]
A lot of rules are dangerous, unnecessary, a violation of personal liberties, inconvenient, and more often than not, only serve to line the pockets of filthy politicians. The rules are too strict and prevent meeting basic needs. Thus the correct option is C.
What is personal liberties?The personal liberty is the freedom of the person to do as he pleases limited only by the authority of politically organized society to regulate his action to secure the public health, morals, safety.
Rules should be convenient to the people and there should be alternate options, if person do not follows that rules in a country such as warnings for the first time and should give proper time to implementation on regulation.
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Name the state of matter of each layer of the earth
Answer:
Name the state of matter of each layer of the earth... The crust and the inner core are solid, whereas the outer core and inner mantle are liquid. The outer mantle is semi solid.
Explanation:
What is a flock of ravens called ?
Answer:
an unkindness or conspiracy of Ravens
The flow of genetic information in molecular biology follows the following path, A) DNA is translated into protein B) DNA is transcribed into RNA which is translated into protein C) DNA is translated into RNA which is transcribed into protein D) RNA is transcribed into protein
Answer:
The Correct answer is DNA is transcribed into RNA which is translated into protein
Explanation:
The genetic information is unidirectional, from DNA to proteins. First, DNA is transcribed into an intermediary RNA molecule is known as transcription (TC), a further messenger RNA molecule (mRNA) is translated into a corresponding sequence of amino acids (translation). This concept of information flow is known as the central dogma of molecular biology.
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Please select the correct answer
Answer:
2nd option is correct..what does it mean if a solution has a ph of 3, 12, 2, 7, or 9
Which phrase describes air pressure?
decreases with denser air
decreases as altitude decreases
equals mass divided by volume
decreases as a result of fewer air particles pushing down
The phrase which best describes air pressure is: decreases as a result of fewer air particles pushing down.
What is pressure?Pressure can be defined as a measure of the force exerted per unit area of an object or physical body. Thus, it is usually measured in Newton per meter square and calculated by using this formula:
[tex]P = \frac{F}{A}[/tex]
Where:
P is the pressure.F is the force.A is the area.The types of pressure.In Science, there are different types of pressure and these include the following:
Hydrostatic pressureOsmotic pressure Filtration pressureAtmospheric (air) pressureIn conclusion, air pressure is also referred to as atmospheric pressure and it generally decreases due to fewer air particles pushing down on the surface of planet Earth.
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In the following scenarios, identify the independent variable, and the dependent variable.
1. Endurance in high altitude mountain climbers with and without the use of supplemental O2.
a. Independent Variable:
b. Dependent Variable:
2. Weight loss in subjects eating low carbohydrate diets.
a. Independent Variable:
b. Dependent Variable:
3. The number of hours spent studying biology each week and grades earned on biology exams.
a. Independent Variable:
b. Dependent Variable:
Suggest a control group for each of the following experiments.
4. Cancer rates in students who smoke cigarettes are closely monitored over a 5-year period.
Control Group:
5. Weightlifters are given 400 mg of creatine phosphate every day for 90 days. At the end of the 90-day period each participant is evaluated for improvements in strength.
Control Group:
The independent variable produces an effect on the dependent variable, while the control variable produce no change on the results. In the exposed situations, the independent variables are supplemental O₂, low carbohydrate diets, hours spent studying biology. The dependent variables are Endurance of climbers, Weight loss, grades earned on exams. And the control variable might be time.
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During an experiment, you need to consider all the variables involved.
Independent (manipulated) variable: Refers to all the variables in an experiment that provoke a response in another variable. An independent variable is the one that changes or is controlled and modified to analyze how another variable responds to it. The researcher changes the independent variable to observe its effects on the dependent variable. Usually, the independent variable is represented by the X letter. Dependent variable: Refers to the variable, which response depends on any change in the independent variable. It represents a quantity of something which value depends on how the independent variable is modified. The change in the dependent variable might be proportional or inversely proportional to the change in the manipulated variable. It is usually identified by the letter Y. Controlled variables are kept constant in the control groups and the experimental groups. Unlike the independent variable, the controlled variables do not influence the results. These variables do not affect the response of the dependent variable.
1. Endurance in high altitude mountain climbers with and without the use of supplemental O2.
a. Independent Variable: supplemental O2
b. Dependent Variable: Endurance in mountain climbers
The endurance of climbers will depend on the use of supplemental O₂. If they use supplemental oxygen, they will have more resistance than if they do not use it. Supplemental Oxygen is influencing the climbers´ endurance.
2. Weight loss in subjects eating low carbohydrate diets.
a. Independent Variable: low carbohydrate diets
b. Dependent Variable: Weight loss
Having a low carbohydrate diet will lead the subjects to lose weight. Any change in the quantity of the carbohydrate will affect the individuals' weight.
3. The number of hours spent studying biology each week and grades earned on biology exams.
a. Independent Variable: hours spent studying biology
b. Dependent Variable: grades earned on exams
The more hours students spend studying, the higher grades they get on biology exams. The grades depend on the number of hours used to study and are proportional to this variable.
4. Cancer rates in students who smoke cigarettes are closely monitored over a 5-year period.
Control Group: Time → Five years
Time is constant in all the study groups. Independently of the number of cigarettes smoked, or the frequency in which subjects smoke, all the groups will be analyzed for 5 years, and this time-lapse is constant.
5.Weightlifters are given 400 mg of creatine phosphate every day for 90 days. At the end of the 90-day period each participant is evaluated for improvements in strength.
Control Group: Time → 90 days
Time is constant in all the study groups. Independently of the creatine phosphate mg provided to weightlifters, individuals will be analyzed for 90 days, and this time-lapse is constant.
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Hi! help here thanks
Answer:
Observations are things that can be directly seen and talked about. Inferences are things that you believe correlate with each other. For instance, the dog wagging its tail must be happy because it is a guess, not a fact. An example of an observation is The girl is wearing a blue shirt with white straps because you can directly see it.
Internal and external cell cycle regulators are -----
1 growth factors
2 apoptosis
3 proteins
4 chromosomes
What are some ways of reducing the effects of global warming
Meaning of chromatos
A. color writing
B. Color forming
C. Color spreading
D. None of these
chromato meaning
Chromato- is a combining form used like a prefix meaning “color.” It is used in many scientific and medical terms. In cell biology, chromato- specifically refers to chromatin, “the readily stainable substance of a cell nucleus, consisting of DNA, RNA, and various proteins, that forms chromosomes during cell division.”
11. (a) Define the following terms (i) Spermatogenesis (ii) Oogenesis
Answer:
A. answer
Spermatogenesis is a process farming of spermatoza from germ cell(spermatogonium/spermatogonial) that happened in seminiferous tubules of the testis.
B. answer
oogenesis is the formation of ovum or eggs,starts in the ovaries of the foetus before birth.
Most living organisms are composed of whitch group of elements
Answer: In all living systems we can always find 4 basic elements: carbon, oxygen, nitrogen and hydrogen. Carbon is the basic building unit contained in living matter. The percentage of carbon in the mass of living matter is 19.4 %. Oxygen and hydrogen are present in almost all organic compounds which create living organisms.
Explanation:
The glutes maximus is located superior to which muscle?
Answer: buttocks
Explanation:
the gluteus maximus muscle is located in the buttocks and is regarded as one of the strongest muscles in the human body. It is connected to the coccyx, or tailbone, as well as other surrounding bones. The gluteus maximus muscle is responsible for movement of the hip and thigh.
(1) Response to stimuli: Does the entity sense and respond to environmental change?
They just can reproduce when they are in the host
Answer:
Organisms need to detect and respond to changes in their internal and external environment. This is because the conditions inside our body must be carefully controlled for it to function effectively and survive. The control systems that allow organisms to respond to changes are incredibly important.
All control systems include:
Cells called receptors, which detect stimuli (changes in the environment).
The coordination centre, such as the brain, spinal cord or pancreas, which receives and processes information from receptors around the body.
Effectors which bring about responses, and restore optimum levels, such as core body temperature and blood glucose levels. Effectors include muscles and glands, and so responses can include muscle contractions or hormone release
correctly identifies at least one item that produces each of the five percussive tones (resonance, hyperresonance, dullness, flatness, and tympany
medsim respiratory system
Answer:
• pulmonary resonance: lungs are 99% air
• percussion notes:
Resonance : low, hollow, lasts , long
Hyperrsensonance: higher, booming, lasts long
Flatness: or Dullness : soft short
Tympany: high, drum-like
Explanation:
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Other kinds of white blood cell have a different way of killing
pathogens.Explain how they do this.
Answer:
White blood cells defend against pathogens in three ways. Firstly they release anti-toxins, which neutralize the effect of toxins produced by bacteria. The second way they destroy pathogens is by engulfing/ingesting them.
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brain is medial to what
Answer:
Lateral is from the side; medial is towards the midline (often from a sagittal section); dorsal is looking from above; and ventral is looking from below. Brain Stem: pons, medulla, spinal cord.
Explanation:
Arrange the rock layers from oldest to youngest re-examine The rock outcrops if you need to. Record the order in the student guide.
Basalt
Limestone with unknown fossil
Sandstone with trilobite
Shale with ammonite
Answer:
Youngest to Oldest
Shale with ammonite
Limestone with unknown fossil
Basalt
Sandstone with trilobite
