Answer:
One difference between genetic traits and environmentally-caused traits is that genetic traits can be passed down to offspring while caused traits cannot. For example, if you have freckles, your children might get freckles, but if you were born with light skin but lived in an area where it receives a lot of sunlight which causes your skin to darken, that trait will not be passed down to your kids. They will remain light-skinned.
Explanation:
how is energy transferred from one trophic level to the next
need help ASAP
Answer:
90% is lost due to loss of heat so only 10% is passed to the next trophic level
Explanation:
basically when the organism gets eaten by a superior organism (lions and gazelles)
maximum affinity of direction within the shot occurs:
The circle is the least dangerous of the basic forms. It has no up or down, nor any sides. A circle has no inherent visual dynamic or direction.
Tonal adjustments are a fantastic technique to improve your photographs, from small modifications that make tones easier on the eye to more drastic alterations that completely transform the look of the image. Squares are considered unnatural because there are very few rectangular things in nature. Square indicates drab or outmoded. Squares and rectangles imply being caught in something. The title of the film Room is the best example of a rectangle in film. The Equalize filter redistributes the brightness values of pixels in an image such that they represent the complete range of brightness levels more evenly.
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Describe the function of a transport protein.
Transport proteins in the cell membrane allow for selective passage of specific molecules from the external environment.
What is a form of innate immunity?
Cough reflex; Enzymes in tears and skin oils; Mucus, which traps bacteria and small particles; Skin; Stomach acid are all examples of innate immunity.
Innate humoral immunity is a protein chemical form of innate immunity. The body's complement system and interferon and interleukin-1 are two examples (which causes fever).
The immune system defends the body against disease. However, researchers have discovered that the innate immune system — the part of the immune system that serves as the body's first line of defense — is involved in a vast number of disease processes that affect millions of people worldwide.
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Hydras may reproduce by budding. In this process, a small polyp forms on an adult hydra, and then it leaves to become a new organism. Which observation would support the conclusion that budding is an example of asexual reproduction?
a. The polyp that buds off the hydra have different DNA from the parent.
b. The polyp that buds off the hydra are significantly smaller than its parent.
c. Budding may occur in a hydra that has been completely isolated from others of its kind.
d. Budding may occur in a hydra that has been raised with many others of its kind.
Answer:the answer is C budding may occur in a hydra that has been completely isolated from others of its kind
Explanation:
What were the phenotype and genotype ratios of mendel’s F1 crosses? What do these numbers represent?
The phenotype and genotype ratio of Mendel's F1 crosses where 1:1:1:1 for both. These numbers represent that all the offspring are alike in the F1 generation.
Mendel's cross was performed between a homozygous dominant (AA) and a homozygous recessive (aa) parents. The result that was obtained from this cross was that all the offspring had the dominant trait phenotypically. When the offspring were observed genotypically they all had the genotype Aa in F1 generation.
Phenotype of an individual depicts its morphology or the outer appearance. The phenotype is the result of the genotype of the organism. For example, an individual having the genotype TT for height will appear tall due to homozygous dominant alleles.
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sometimes it is legal to reproduce a copyrighted work without the permission of the copyright holder. these circumstances are called
Fair use, refers to the conditions under which it is occasionally acceptable to create a work protected by a copyright without the owner's consent.
The fair use policy includes copyrighted content whose usage has not obtained the owner's consent. Consequently, we are able to use copyright without the owner's consent.
Not every copying and duplication is prohibited under copyright. The fair use concept, which is codified as 17 U.S.C. Section 107 of the Copyright Act of 1976 in the United States, allows for some copying and distribution without the copyright holder's consent or payment to them.
A limited amount of use of copyrighted material is permitted under the fair use doctrine of US law, which eliminates the need to first obtain consent from the copyright holder.
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Examine a two-gene cross in which a mutation in herc2 is epistatic to the oca2 gene. In a cross between a blue-eyed oohh woman and a blue-eyed oohh man, what eye color will the progeny have?.
In a cross between a blue-eyed oohh woman and a blue-eyed oohh man, what eye color will the progeny have blue eye color.
According to research on the genetics of eye color, blue eyes are caused by a mutation in the neighboring, unrelated gene HERC2. The gene OCA2, which controls the production of the brown pigment melanin, is silenced by this mutation. Today, between 20 and 40 percent of Europeans have blue eyes. The quantity of functional P protein that is generated is decreased by a number of frequent changes (polymorphisms) in the OCA2 gene.People with a variation in this gene have blue eyes instead of brown because less P protein implies less melanin is present in the iris.A disturbance in the normal generation of melanin brought on by OCA2 gene mutations results in visual issues and a loss of hair, skin, and eye color. Oculocutaneous albinism type 2 refers to oculocutaneous albinism brought on by mutations in the OCA2 gene.Learn more about the Inheritance with the help of the given link:
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The skull, vertebral column, and rib cage comprise the skeleton.
a. true
b. False
The statement stating that The skull, vertebral column, and rib cage comprise the skeleton is false.
The mentioned statement is incomplete. Our skeleton can be divided into two parts namely axial skeleton and appendicular skeleton. Axial skeleton is associated with support and protection of vital organs of our body. The organs include heart, brain, lungs etc. Axial skeleton comprises of 80 bones from skull, rib cage, sternum, ossicles, hyoid bone and vertebral column.
Appendicular skeleton is present at lower and upper extremities. It is present in limbs and includes pectoral and pelvic girdle.
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A student constructs a Venn diagram to compare the organelles in plant and animal cells.
Venn Diagram of Plant and Animal Cells
A Venn Diagram is shown. One circle is labeled Animal only, the other circle is labeled plant only, and the overlapping section is labeled both.
Which organelle should be listed under “Animal Only” in the diagram?
nucleus
centriole
ribosome
cell wall
Centriole should be listed under “Animal Only” in the diagram.
Centrosomes and lysosomes are found in animal cells, but do not exist within plant cells. The lysosomes are the animal cell's “garbage disposal”, while in plant cells the same function takes place in vacuoles. Plant cells' vacuoles offer mechanical support. Animal cells only have little vacuoles .Hence, centrioles are absent in plant cells.
Centrioles are primarily involved in forming two structures centrosomes and cilia. Centrioles bias the position of spindle pole formation, but because spindle poles can self organize, the function of the centriole in mitosis is not obligatory.
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Answer:THE ANSWER IS B
Explanation:
Photosynthesis consists of which two primary steps
A. Light Reactions and Citric Acid Cycle
B. Light reactions and Calvin Cycle
C. Dark Reactions and Citric acid Cycle
D. Dark Reactions and Calvin Cycle
Answer:
B.
Explanation:
B. Light reactions and Calvin Cycle
Select all the correct answers. which organs perform both mechanical digestion and chemical digestion of food? mouth pancreas small intestine stomach
Proper digestion requires both mechanical and chemical digestion and occurs in the oral cavity, stomach, and small intestine. Additionally, digestion requires the secretions from accessory digestive organs such as the pancreas, liver, and gallbladder.
Compare the structure of proteins and nucleic acids by answering the following:
1) What atoms are found in proteins and what atoms are found in nucleic acids?
2) What are the monomers that make up a protein, and what are the monomers that make up a nucleic acid?
Answer: d
Explanation:
The chemiosmotic gradient is an electrochemical gradient of hydrogen ions across the.
The chemiosmotic gradient is an electrochemical gradient of hydrogen ions across the mitochondrial membrane.
Hydrogen ions move back over the mitochondrial membrane and into the matrix due to a chemiosmotic gradient, where they pass via ATP synthase and produce ATP. One glucose molecule's aerobic respiration produces 38 ATP when ATP from the Krebs Cycle and glycolysis are included.
What is a Chemiosmotic Gradient?
A differential in proton concentration is produced across the inner membrane by the removal of protons from the matrix and their deposit in the intermembrane gap. The term for this is chemiosmotic gradient.
Therefore, the chemiosmotic gradient is an electrochemical gradient of hydrogen ions across the mitochondrial membrane.
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How does an object's mass affect its kinetic energy?
Answer:
As an object's mass increases, so do its kinetic energy. The same thing applies when the mass of the object decreases.
Explanation:
What happens within the cytoplasm of a cell?
O replication of DNA
O maintaining of a cell's shape and structure
O communication with other cells
O majority of metabolic activity
Most of the metabolic activity happens within the cytoplasm of a cell.
Metabolic activity refers to the various processes conducted inside the cell in order to synthesize energy. The metabolic activities are of two types: anabolic and catabolic. Anabolic activities are the ones that form large compounds by combining the smaller ones, while catabolic ones are the opposite.
Cytoplasm is the gel-like liquid material present inside the cell. It is composed of the fluid of the cell and the cell organelles. Fluid present inside the nucleus is excluded from the cytoplasm. The cytoplasm provides the medium where various activities can take place and cell organelles can perform their respective functions.
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make a claim about the relationship between temperture and chriping
Stridulation, the rubbing together of two bodily parts to make sound, is how crickets chirp. Numerous insects stridulate in various ways, including by rubbing their legs together, against their heads, and so forth.
What is the relationship between temperature and chirping?Male crickets make the nightly repeated chirp they use to attract females by rubbing their wings together more quickly as they warm up.
It has long been known that temperature and cricket chirping are related.
Therefore, with increase in temperature results in increase in number of crickets chirp.
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Which direction are the Hawaiian chain of islands moving? *
Northeast Southeast Northwest
The Hawaiian chain of islands is moving in the Northwest direction.
The Hawaiian islands were created from volcanic activity. The Hawaiian chain of islands comprises of six large islands, i.e. the Big Island, Maui, Lanai, Molokai, Oahu as well as Kauai. This chain of islands runs to the Northwest.
These islands are present in a chain as they were created successively as a tectonic plate, the Pacific plate, slid over a plume of magma. These islands were created not from a single but several volcanic eruptions.
The Pacific plate is continuously progressing in the Northwest direction over the Hawaiian volcanic hot spot.
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use the labels to draw and annotate a cell membrane. build the cell membrane across the center of the page. then, determine the regions of the membrane that are hydrophobic and hydrophilic.
The question is incomplete, however the cell membrane is made up of a lipid bilayer, which has two layers of lipid molecules:
A thin polar membrane comprised of two layers of lipid molecules is known as a lipid bilayer. All cells are surrounded by these membranes, which act as a continuous barrier to keep harmful chemicals and poisons out.Each lipid molecule in the lipid molecule's two layers has a polar head that is hydrophilic in nature and a nonpolar tail that is hydrophobic in nature.The polar head groups in the cell's lipid bilayer face the water, while the hydrophobic tails face each other and steer clear of the waterTo know more about cell membrane visit : https://brainly.com/question/13524386
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3. What are the different wavelengths of the visible spectrum known to us as?
The region of the electromagnetic spectrum that can be seen by the human eye is known as the visible light spectrum. Visible light is the more straightforward term for this set of wavelengths.
What is wavelength?
When electromagnetic radiation, such as radio waves, light waves, or infrared (heat) waves, travels through space, it leaves behind distinct patterns. Each wave is unique in size and shape. The wavelength is the distance between peaks (high points).
Colors in the visible light spectrum are given below;
Violet has the highest frequency and the shortest wavelength, measuring 400-420 nanometers.
420-440 nm is Indigo
Blue wavelengths range from 440 to 490 nanometers.
Green wavelength ranges from 490-570 nm
The yellow wavelength is 570-585 nm
585-620 nm orange
Red has the lowest frequency and the longest wavelength in the range of 620 to 780 nanometers.
Therefore, wavelengths between 380 to 700 nanometers can be seen by the human eye.
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Which will most likely result in a complete fossil?
A. a zebra eaten by a pride of lions, leaving the bones for scavengers to scatter
B. hard shelled marine organisms die and are rapidly buried by sediment
C. all of the above
Lipid-soluble signaling molecules, such as aldosterone, cross the membranes of all cells but affect only target cells because.
The membranes of all cells but affect only target cells because of Intracellular.
What are molecules and examples?The smallest particle of any substance which can exist independently and retain the physical and chemical properties of the substance, made up of one or different elements is a molecule. Molecules are divisible into atoms further. For example, oxygen atom is represented as O, oxygen molecule is represented as O2.
How a molecule is formed?
When atoms combine by forming covalent bonds, the resulting collection of atoms is called a molecule. We can therefore say that a molecule is the simplest unit of a covalent compound.
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Another crab is discovered. scientists find that it is able to mate and reproduce fertile offspring with the dungeness crab. to what genus and species must this other crab belong?
The other Crab belongs to Genus-Cancer and Species-Magister.
The Dungeness crab, also known as Cancer magister or Metacarcinus magister, lives in bays, estuaries, and along Alaska's nearshore coast. Named after a narrow, sandy inlet within Dungeness Spit on the southern border of the Straits of Juan de Fuca, the species is named for one of its characteristic habitats. When female living Dungeness crabs are ready to molt, they lose their exoskeleton to enable them to grow and produce a larger shell; this is the ideal time for mating before the new, hard shell has developed.
The family Cancridae includes the genus Cancer of saltwater crabs. Eight of the species are still living, while three have already gone extinct. Among them are well-known littoral zone crabs like the red rock crab, the Jonah crab, and the European edible crab.
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In order to position a star on an H-R diagram you must know at least the star's
In order to position a star on an H-R diagram you must know at least the color and apparent brightness.
What is H-R diagram?
A graph of star temperatures (plotted on the horizontal axis) and luminosities, or brightnesses, is known as an HR diagram (plotted on the vertical axis). HR diagrams are useful because they provide crucial details about the stars that are plotted on them.
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Atp synthase is an enzyme that forms a channel for hydrogen ions to diffuse across a membrane and power the formation of.
ATP synthase is an enzyme that forms a channel for hydrogen ions to diffuse across a membrane and power the formation of ATP form ADP and inorganic phosphate
What is ATP?ATP is defined as an organic substance that fuels a variety of functions in living cells, including chemical synthesis, condensate dissolution, nerve impulse transmission, and muscular contraction.
It can also be defined as the main molecule in cells for storing and transmitting energy.
The mitochondria use oxidative phosphorylation to produce the majority of the adenosine triphosphate (ATP) produced during glucose metabolism.
Thus, ATP synthase is an enzyme that forms a channel for hydrogen ions to diffuse across a membrane and power the formation of ATP form ADP and inorganic phosphate.
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Some cells of the body like neurons and brain cells do not reproduce themselves.
True
False
Answer:
True
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An aircraft travels with the wind for 120 miles in 0.75 of an hour. The return trip is flown against the wind and takes exactly 1 hour.
Which system of linear equations represents x, the speed of the plane in miles per hour, and y, the speed of the wind in miles per hour? Recall the formula d = rt.
0.75(x + y) = 120
x − y = 120
0.75(x − y)= 120
x + y = 120
120(x + y) = 0.75
120(x − y) = 1
120(x − y) = 0.75
120(x + y) = 1
The system of linear equations represents x, the speed of the plane in miles per hour, and y, the speed of the wind in miles per hour is 0.75(x + y) = 120, x − y = 120. The correct option is A.
What is linear equation?A linear equation is an algebraic equation with only a constant and a first-order (linear) term of the form y=mx+b, where m is the slope and b is the y-intercept.
The above is sometimes referred to as a "linear equation of two variables," where y and x are the variables.
The total rate of an aircraft traveling with the wind is x + y. When this rate is multiplied by time, 0.75 hour, the distance is 120 miles.
The aircraft's net rate when flying against the wind, on the other hand, is x - y. It traveled the same distance when this rate was multiplied by time, 1 hour. The linear equation system that best describes these situations is,
0.75(x + y) = 120,
x − y = 120
Thus, the correct option is A.
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Because rapid weight loss stimulates too much hunger, slows the metabolism, and can lead to lean tissue losses, losing __________ pounds per week should be considered a weight loss success.
Because rapid weight loss stimulates too much hunger, slows the metabolism, and can lead to lean tissue losses, losing 0.5 to 1 pounds per week should be considered a weight loss success.
What is metabolism?Metabolism is a group of chemical reactions that help in the body's growth and formation. There are two metabolic processes. They are catabolism, and anabolism.
When food material breakdown and produce energy is called catabolism, and when energy molecules joined together is called anabolism.
Therefore, the slow metabolism, and can lead to lean tissue losses, losing 0.5 to 1 pounds per week.
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Helpppp plaaa
what is the first chemical test would a chemist perform to help a biologists test his hypotheses about how the fish make the water to acidity
The pH can be tested by the use of a pH meter.
What is the pH test?The pH has to do with the degree of acidity or the alkalinity of a system. In this case, we are trying to see how acidic that the water is. The only way that we can know something about whether or not the fishes would make the water acidic is to test the pH of the water before and after the introduction of the fishes.
The test for the pH can be done with a portable pH meter. It should be noted that if the pH is in a range that lies between 0 and six we can say that the water is acidic.
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In a typical, mature, dividing mammalian cell, what proportion of the cell cycles is taken by mitosis?.
Answer: a very small fraction
Explanation:
