Answer:
Biology is the scientific study of living things.
Explanation:
hope this will help :)
Explanation:
biology is natural science concern with study of life and living organisms .Modern biology is vast and eclectic field composed of many specialized disciplines that study the structure , function , growth, distribution , evolution ,or other features of living organisims...the cell is the basic unit of life.
A mutation that causes a patch of white hair on a person's head when the rest of his hair is brown is most likely a
A species of bird on the mainland can have yellow (bb), blue (BB), or green (Bb) plumage. A few yellow birds land on a ship and are carried past an island, which they land on and settle. The resulting population of birds would have an allele frequency of:
Answer:
The resulting population of birds would have an allele frequency of "b"
Explanation:
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when doing medical research with human which four limitation are unavoidable
Answer:
1- It's often impossible to repeat trials on the same subjects. 2-Subjects may report an inaccurate medical history. 3-It can be difficult to control all possible variables. 4-It's impossible to come up with testable scientific questions for human subjects.
Explanation:
i hope this helps u
What process in the hydrological cycle occurs when water vapor in the air changes to liquid water? (A) Condensation (B)Evaporation + (C)Precipitation (D)Vaporization
Answer:
option A is correct
Explanation:
condensation is the process by which water vapors in the air are converted to liquid water
Answer:
The answer would be condensation. Think of a water bottle and how when you take it out of a fridge, water droplets form on the outside.
Explanation:
Question 5 of 10
The amount of carbon dioxide a person releases into the air is known as that
person's carbon
A. compound
B. molecule
O
C. load
D. footprint
SUBMIT
Hi there! Hopefully this helps!
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"The amount of carbon dioxide a person releases into the air is known as that
person's carbon"
D. Footprint.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
A carbon footprint is the number of greenhouse gases released into the atmosphere by particular human activity.
Answer:
D. footprint
Explanation:
The amount of carbon dioxide a person releases into the air is known as that
person's carbon footprint.
Hope this helps!
What type of growth would you expect to see in a population that has migrated to a new habitat?
Answer:
Exponential growth
Explanation:
Exponential growth is a type of growth that increase in quantity over time.
When a population migrate to a new habitat it shows exponential growth because in the beginning, the growth rate is slow as population adapts the new environment and once they evolve according to the environment, they will grow exponentially.
Hence, the correct answer is "Exponential growth".
Which of the following types of modules would be most effective to demonstrate the relationship between distance and time idea module physical module computer module none of the above
Answer:
Explanation:Yoooooo
In a jungle habitat, there lives a species of snake, called Species A. The carrying capacity of the jungle allows 5000 of Species A. After their habitat was destroyed, a second species of snakes, Species B, arrives in the jungle. After a few years, the population of Species A has dropped to 0, and the population of Species B has become 5000. What can you determine from this data?
Answer:
See the answer below
Explanation:
From the data, it can be concluded that the habitat's carrying capacity for snakes is 5000 and this was not influenced by the alteration/destruction that happened to the habitat.
It can also be concluded that species B snake is a better fit - than species A snake - for the new environment resulting from the destruction of the initial environment.
The fitness of species B can be attributed to either their natural fitness to the new environment due to evolution or their ability to outcompete species A in the environment. The reduction in fitness of species A leads to their gradual fading off of the new environment while the fitness of species B leads to them reproducing and contributing more to the population of snakes in the environment.
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what is the difference between glucose and galactose?
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In glucose the hydroxyl group at carbon four is below the plane of the ring. In galactose the hydroxyl group at carbon four is above the plane of the ring.
Hope this helped!! ٩(◕‿◕｡)۶
Eye color is and example of
a. Translation control
b. Gene expression
c. Transcriptional control
d. Gene regulation
Answer:
b. Gene expression
Explanation:
The eye color trait is controlled by polygenetic heritability. A group of genes is responsible for the trait manifestation, and they must be associated to transmit the characteristic.
Eye color in a person is produced by pigments in the iris´ cells called melanocytes. At least two or more genes control melanin synthesis in the iris. Melanosomes are cellular structures produced by melanocytes, where melanin is produced and stored. Different genes control the eye color by its expression. We can name two of them as examples. There is a gene called OCA2 that codifies for the P protein synthesis. This protein plays an important role in the amount of melanin produced. The less P protein, the less melanin the cell will produce, which leads to blue eyes. Another gene called HERC2 contains a region known as intron 86 that controls the OCA2 gene, by allowing or inhibiting its expression.
why do pk values of ionizable groups differ between free amino acids and amino acid residues in polypeptides
Answer:
Because of electrostatic interactions.
Explanation:
The pk values associated with ionizable groups are the result of the electrostatic interaction that occurs with the interaction of the ionizable side chain groups with groups of side chains that have charges, or that have neutral charges. This interaction directly influences the pk values of ionizable groups, leaving them different between free amino acids and amino acid residues in polypeptides.
____________________ syndrome is a debilitating disorder characterized by profound fatigue that is not improved by bed rest.
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Answer: Chronic fatigue syndrome.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Chronic fatigue syndrome is a debilitating and complex disorder distinguished by profound fatigue that is not enhanced by bed rest and maybe made more harmful by physical or mental activity.
Which of the choices below determines the direction of respiratory gas movement?
a. pulmonary ventilation
b. transport of respiratory gases
c. external respiration
d. pulmonary respiration
Answer:
a. pulmonary ventilation
Explanation:
Pulmonary ventilation: In biology, the term "pulmonary ventilation" is also referred as "breathing" and is described as a phenomenon of moving air out and into an individual's lungs. Generally, air enters the "respiratory system" via nasal cavity and mouth, and then it passes through the "pharynx" and then the "larynx" and lastly to the "trachea" that enters the "chest cavity" of an individual.
In the question above, the correct answer is option A.
Mr. Brown used the model shown below when discussing plant cells with his class. Why did Mr. Brown use a model?
A. The model provides a better representation than a real cell .
B. The model is easier to view since real plant cells are very small. O
C. Most plant cells are dangerous and induce a variety of diseases.
D. Real plant cells can only be viewed with a telescope.
Answer: B
Explanation:
A model is easier to see, rather than having a real plant cell that you have to see with a telescope. So B is the answer. Hope this helps!
The enzyme used to seal the DNA is a)Restrictions enzymes b)Ligase c)Polymerase d) All of these
Answer:
b)Ligase
Hope this answer correct :)
Variable
1. group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.
2. a variable who's value depends on another
3. scientific test that is directly manipulated by a scientist, in order to test a single variable at a time
4. a variable whose variation does not depend on that of another
5. measures of values or counts and are expressed as numbers
6. the factor that is changed in the experiment
7. data that approximates and characterizes
8. the process of observing, creating a question, creating a hypothesis, performing an experiment, and drawling conclusions based on the result
9. permission granted in the knowledge of the possible consequences, typically that which is given by a patient to a doctor for treatment with full knowledge of the possible risks and benefits
10. the group that receives treatment in an experiment
Answer:
1. control group
2. dependent variable
3. unsure
4. independent variable
5. data
6. tested variable
Explanation:
What are the rings in a woody stem made up of?
Answer:
Monocots have bundles of xylem and phloem mixed throughout their stem with vascular cambium between, an arrangement found on many herbaceous plants. Dicots, like trees and many woody stems, organize their parts in rings. A cork cambium, the growth layer, is found between the xylem and phloem in the ring
Explanation:
Answer:
The rings in a woody stem is made up of cork cambium.
Cigarette smoke contains thousands of chemicals, including nicotine and carbon monoxide. How do these two components of smoke affect the cardiovascular system?
Answer:
Exposure to nicotine and carbon monoxide change your heart and blood vessels in ways that increase your risk of heart and cardiovascular disease. Nicotine causes your blood vessels to constrict or narrow, which limits the amount of blood that flows to your organs.
Explanation:
hope this answer helps you.
How to find the proportion of infections identified in the community using contessa?
Answer I'm not sure about the answer
Explanation:
The knees are __ to the toes.
Ps. This questions is in anatomy and physiology.
Answer:
Distal
Explanation:
So a finger is distal to the wrist, which is distal to the elbow, which is distal to the shoulder. Or kinda similarly, the femur is proximal to the knee, which is proximal to the ankle, which is proximal to the toes.
. Which of the following is a chemical reaction? A. breaking a glass pane B. freezing water C. digestion of food D. cutting down a tree E. evaporation of rubbing alcohol
Answer:
C. When we digest food there are tons of chemical reactions occurring in the process, they would have to break down the food which is a chemical reaction.
Answer:
C. digestion of food
Explanation:
in a chemical reaction the substance changes composition and the reaction is mostly irreversible.
option C: digestion of food is a chemical reaction which changes the composition of the food we eat. Enzymes and other substances react with the food and turn it into soluble substances which the body can easily use.
option A: breaking glass does not change the composition of the glass plane. Its a physical reaction
option B: freezing water changes the state of water but the composition is still the same, its a physical reaction as well.
option D: cutting a tree does not change the composition of the wood. This, too, is a physical reaction.
option E: when a liquid evaporates it changes into a gas, which is a change in the state of matter (just like water into ice), this also does not change the composition of alcohol.
which element is common in the 5 food groups
Answer:
the correct answer is
These elements are carbon, hydrogen, nitrogen, phosphorus, and sulfur. There are also 5 elements found as salts (dissolved). They are sodium, magnesium, chlorine, potassium, and calcium.
Explanation:
hope this works out!!
Answer: its not five its 6
There are 6 elements found in almost all foods. These elements are carbon, hydrogen, nitrogen, phosphorus, and sulfur. There are also 5 elements found as salts (dissolved). They are sodium, magnesium, chlorine, potassium, and calcium.
mars facts and talk about mars
Answer:
Mars is a planet. It is the fourth planet from the Sun. It is the next planet beyond Earth. Mars is more than 142 million miles from the Sun. The planet is about half the size of Earth. A day on Mars is 24.6 hours. A year on Mars is 687 Earth days. Mars is known as the Red Planet. It is red because the soil looks like rusty iron. Mars has two small moons. Their names are Phobos and Deimos.
1) Named after the Roman God of war, Mars is the fourth planet from the sun in our solar system.
2) Mars is also known as the ‘Red Planet’ because, well, it’s red! This signature colour comes from the large amount of a chemical called iron oxide (or ‘rust’ as you might know it) in its rocks and soil.
3) Mars is the second smallest planet in the solar system after Mercury. With a diameter (distance through the middle) of 6,791 kilometres, it’s roughly half the size of Earth.
4) It can get pretty cold on Mars –– much colder than our own planet, since it’s further away from the sun. At the equator, temperatures can reach 20°C, but at its poles they can plummet to as low as -140°C.
5) Mars is home to the highest mountain in our solar system –– a volcano called Olympus Mons. Standing a whopping 24 kilometres high, it’s about three times the height of Mount Everest!
6)You could jump around three times higher on Mars than you can on Earth. This is because the planet’s gravity – the force that keeps us on the ground – is much weaker.
Hope it helps!!!!
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Answer:
mars is the fourth planet from the sun.
its surface is made of iron oxide which gives it a red colour.
there are pieces of mars on earth, a Martian meteorite.
mars is the name of the Roman god of war and is often referred to as the "Red Planet"
the tallest mountain in the solar system is on mars.
research has shown signs of ancient floods on Mars but now water mostly exists in icy dirt and thin clouds.
mars has 2 moons, phobos and deimos. They are named for the greek god Phobos and deimos, sons of Ares and personification of fear.
Can a dragon fly fly if it’s wings are soaked
Answer:
yeeeeeeeeee
Explanation:
Which one of the following is NOT one of the characteristics that listeners typically attribute to fast speakers?
A. objectivity.
B. humor.
C. intelligence.
D. knowledgeable
Humor is not one of the characteristics that listeners typically attribute to fast speakers. So, the correct option is (B).
What are the characteristics of listeners?A good listener is defined as one who focuses fully on what the other person is saying and engages with their thoughts in a thoughtful, comprehensive way whereas good listening is simply listening to what a person is saying. It's not just about learning, but also a commitment to digesting the information. They are presenting and responding creatively.
Some characteristics are possessed by listeners
They maintain a positive postureDistracting modalities are avoided Keeps the focus on the speakerMaintains eye contactNods and smiles when the intended audience looks boredThus, humor is not one of the characteristics that listeners typically attribute to fast speakers. So, the correct option is (B).
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Which serves as evidence for a scientific claim?
surveys of public opinion
company advertisements
controlled experiments
personal websites
The correct answer is C. Controlled experiments
Explanation:
A scientific claim is a statement that describes or explains a phenomenon of the world. These statements can be proven as valid or invalid only through scientific experiments, which involve testing in controlled conditions the phenomenon. This is the only way because the scientific method should be followed. For example, if the claim is that humidity affects the growth rate of cacti. The researcher will need to use multiple cacti and use different percentages of humidity to prove if humidity increases or decreases the growth rate. Also, in this case, other factors such as nutrients in the soil, exposition to sunlight, etc. should be controlled to guarantee these factors are equal for all plants. According to this, the one that serves as evidence for the scientific claim is controlled experiments.
Which of the following is NOT controlled by the hormone testosterone? fight or flight bone mass mood sex drive
Which of the following is an extensive property? Boiling point Magnetism Melting point Volume
Answer:
Volume
Explanation:
The physical properties of matter are either classified as extensive or intensive. Extensive property of matter is a property that is dependent on the amount of matter contained in the substance. On the other hand, intensive properties are rather dependent on the type of substance and not the amount or size.
Based on this explanation, VOLUME is an extensive property because its measure is dependent on the amount of matter in the measured substance. Hence, a difference in the volume of two substances is as a result of the amount of matter contained in each of them.
On the other hand, boiling point, melting point and magnetism are all properties that depends on the type of matter.
Answer:
D
Explanation:
An antimicrobial such as isoniazid that is only effective against mycobacterium would be considered to be a ______ drug.
Answer:
Anti-bacterial drug
Explanation:
An antimicrobial such as isoniazid that is only effective against mycobacterium would be considered to be an anti-bacterial drug.
Mycobacterium is a pathogenic micro organisms which belongs to the class called Bacteria. Others include virus, Protozoa and fungi.
Since the drug is only effect against mycobacterium which is a bacteria it is called anti bacterial drug. Drugs which are effective against virus, Protozoa and fungi are known as antiviral, antiprotozoal and antifungal respectively.
how living things, such as people and trees, are different from nonliving things, such as rocks and the tent
Answer:
The difference between living and non living things are different from nonliving things, such as rocks and the tent. The difference between living things and nonliving things is little things that we call is senses like sight, taste, touch, smell, and hearing.