Answer:
Sound can be thought of as a longitudinal wave because of the vibrations of the particles of the medium.
Explanation:
Which of the following is matter in its gas form?
Friction
Lightning
Thunder
Water vapor
could you help me i will give brainlyest
The substance that is a matter in its gas form is water vapor (option D).
What is gaseous state of matter?Matter refers to anything that has mass and occupies space. Matter is the basic structural component of the universe.
Matter is virtually everything around us and can exist in three states as follows:
SolidGaseous LiquidSolid is any substance that can be picked up or held, having a texture, and usually firm. Liquid is a substance that is flowing, and keeping no shape, such as water. It is a substance of which the molecules retain no definite shape, except that determined by the containing receptacle. Gases, on the other hand, is matter in an intermediate state between liquid and plasma that can be contained only if it is fully surrounded by a solid.Water vapor is an example of gaseous material, hence, can be said to be in gaseous form among the options.
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Suppose a few brown mice had a mutation that caused their fur to turn white in colder
temperatures. Would these mice be more or less likely to survive in this environment?
More
Less
Answer: More
Explanation: Assuming the environment is one of lighter colors like snow, the mice would be more likely to survive because their fur would help them camouflage into their surroundings. Thus, making them less susceptible to predator's.
The mutation in the colder temperature which causes their fur to turn white is more likely to help them in surviving better in this environment. Thus, the mutation is advantageous.
What are Mutations?A mutation is an alteration in the nucleic acid sequence such as DNA or RNA of the genome of an organism, such as the virus, or extrachromosomal DNA molecule which is present in the mitochondria and chloroplast of a eukaryotic cell. Viral genomes are the genomes which contain either DNA or RNA as their genetic material.
A mutation in a few brown mice had a mutation which caused the fur to turn white in colder temperatures. This mutation will increase the chances of survival of the organism as this help in camouflage. Camouflage is called as cryptic coloration, it is a defense or tactic which organisms use to disguise their appearance, usually the one which help to blend in with their surrounding environment.
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If the sequence of nucleotides on mRNA template is AUCGUA then the sequence of newly synthesized DNA strand would be?
a) UAGCAU
b) AUCGUA
c) TAGCAT
d) TTCGTT
Which statements about collagen molecules are correct?
1 Both types of secondary structure occur within the molecules
2 Large numbers of hydrogen bonds stabilize the molecule
3 repeated amino acid sequences determine the tertiary structure
A.1,2 and 3 B.1 and 2 only C.1 and 3 only D. 2 and 3 only
The statements which are correct about collagen molecules are that both types of secondary structure occur within the molecules and repeated amino acid sequences determine the tertiary structure.
Collagen is the main structural protein that is found in the extracellular matrix found in the body's various connective tissues. As the main component of a connective tissue, it is the most abundant protein which is found in mammals, making up from 25% to 35% of the whole-body protein content. Collagen consists of amino acids which are bound together to form a triple helix of elongated fibril known as a collagen helix. It is mostly found in connective tissue such as cartilage, bones, tendons, ligaments, and skin.
Thus the correct statements are 1 and 3 only.
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What type of solution allows water to enter the plant cell ?
Aswer sun
Explanation:
Answer:
chloroplast if I remember corectly
In light of the above statements, how should developing countries deal with the problems associated
with a lack of clean, fresh water?
Complete Darwin's view of how natural selection resulted in both unity and diversity of life.
Match the terms in the left column to the appropriate blanks in the sentences on the right. Not all terms will be used.
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natural selection
evolutionary adaptation
According to his observations, Darwin proposed that the best-suited
would survive and
reproduce
successfully than those
adapted to their environment, and
he called this
populations
individuals in a population
This mechanism could account for both the unity and diversity of features among species. The
similarities between the descent organisms and their common ancestor explain the
less
of
life, while the force of natural selection in different environments accounts for the
of
unity
life.
more
diversity
Submit
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Answer:
generate a list of three criteria and two constraints. Your criteria and constraints should consider relevant factors to the problem, such as costs, reliability, safety (to humans and wildlife), human needs, environmental impact, local biodiversity, and the aesthetics of the area. List the criteria in order of most to least important and assign each to a related sub-problem. In the rationale
According to his observations, Darwin proposed that the best-suited individuals in a population would survive and reproduce more successfully than those less adapted to their environment, and he called this natural selection.
This mechanism could account for both the unity and diversity of features among species. The similarities between the descent organisms and their common ancestor explain the evolutionary adaptation of life, while the force of natural selection in different environments accounts for the population of life
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A scientist found that a Petri dish from an experiment had not been cleaned several days earlier. In the dish, she discovered a bacterial culture that she had not seen during the experiment. How could she gather evidence to support a claim about whether the bacteria had developed from the material left from the earlier experiment? a)Take a sample of the bacteria and grow it in an incubator. b)Gather dirty Petri dishes from other labs to see if they grow the same bacteria. c)Check all the clean Petri dishes for residue from the previous experiment. D)Try the original experiment again, do not clean some of the Petri dishes, and see if the bacteria grow.
Answer:
D
Explanation:
The best way she can gather evidence to support a claim of the bacteria developing from the material left from the earlier experiment would be to repeat the original experiment again, leave some of the Petri-dishes uncleaned, and then see if the same bacteria would grow on the uncleaned Petri dishes.
If indeed the bacteria developed from the material left from the earlier experiment, the same bacteria should grow on the uncleaned Petri dishes in the second experiment. If they do not grow, it means that the source of the bacteria is from somewhere else within the lab.
The correct option is D.
Answer: D
Explanation:
I had this same question before. Hope it helps:)
I need help with this please ????
How does Photosynthesis work? And what is the Photosynthesis equation?
Explanation:
photosynthesis the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
6CO2 + 12H2O + → C6H12O6 + 6O2 + 6H2O
Here, six molecules of carbon dioxide (CO2) combine with 12 molecules of water (H2O) using light energy. The end result is the formation of a single carbohydrate molecule (C6H12O6, or glucose) along with six molecules each of breathable oxygen and water.
Answer:
The process of photosynthesis is commonly written as:
6CO2 + 6H2O → C6H12O6 + 6O2.
This means that the reactants, six carbon dioxide molecules and six water molecules, are converted by light energy captured by chlorophyll (implied by the arrow) into a sugar molecule and six oxygen molecules, the products.
Under water divers wears a fin-like flippers on their feet because
A. To swim easily in water
B. To look like a fish
C. To walk on water surface
D. To walk over the bottom of the sea bed.
Answer:
to swim easily in water
If your good with macromolecules pls answer
Birds have specialized feathers that are important for flight called ______
feathers, or flight feathers
Answer:
Remiges
Explanation:
Answer:
Contour
Explanation:
Took the test, used the other answer and got it wrong. This is the right answer.
Which of the following methods of asexual reproduction is usually associated with the production of spores?
A: multiple fission
B: binary fission
C: fragmentation
D: budding
Answer:
multiple fission
Explanation:
Which of the following fabrics is soft, springy to touch and retain body heat ?
a.Cotton
b.Linen
c.Viscose
d.Wool
e.Nylon
Answer:
Cotton
Explanation:
Wool is the fabric which is soft, springy to touch and retain body heat.
What is wool?Wool is a textile fabric obtained from sheep and other animals.
What is fabric?Fabric is a cloth or other material produced by weaving.
What is soft?Soft means smoothness.
What is springy?Springy means having elastic quality.
What is touch?Touch means be in contact.
What is retain?Retain means to absorb.
Hence the correct option is (d).
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(2) Super Snails
Gary is not the smartest snail in Bikini Bottom and believes he can improve his brain power by
eating Super Snail Snacks. In order to test this hypothesis, he recruits SpongeBob and several snail
friends to help him with the experiment. The snails ate one snack with each meal every day for three
weeks. SpongeBob created a test and gave it to the snails before they started eating the snacks as well as
after three weeks.
Test Results
Based on the data provided, do the Super Snail Snacks work? Explain
Before
Gary
80%
your answer.
Lamy 78% 78%
Bany 82%
Terry 72% 70%
Snail
After
Answer:
Explanation: Based on the data generated for before and after the experiment using the example of Terry and lamy,
Before After
Terry 72% 70%
Lamy 78% 78%
The super snail snack did not work, if there was an increase in there brain performance by a certain percent it could have been said to have worked but there is no visible increase in their performance for Larry it was the same and for Terry there was a decrease in its performance which means the snack is not good for them and should not be recommended as a diet supplement or feed.
what type of substance is made of one type of matter
A. a compound
B. a solution
C. a colloid
D. an element
How many times must the germ cell split in half to create four gametes?
Answer:
he germ cell split in half to create four gametes
Explanation:
Germ cells are the reproductive cells found in the male and female species. They are the cells that are responsible for the formation of the offspring through reproduction.
Germ cell splits two times in half to produce four gametes.
Germ cells undergo meiosis in which one parent splits to produce four gamete cells.Meiosis in the germ cells occurs in two steps called meiosis I and meiosis II.In the first stage of meiosis I, the homologous pairs of the chromosomes separates and at the end daughter cells are produced.In the meiosis II stage, further division occurs and the haploid sets of four gametes are produced.Since the division occurs two times in meiosis four daughter cells that are haploid (n) is produced.Therefore, germ cells divide two times to produce the gamete cells.
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A person suffering from Parkinson’s disease is thought to have problems with
Answer:
Parkinson's disease is a brain disorder that leads to shaking, stiffness, and difficulty with walking, balance, and coordination. Parkinson's symptoms usually begin gradually and get worse over time. As the disease progresses, people may have difficulty walking and talking.
Explanation:
Giardia is a cukaryotic organism that can cause intestinal illness in dogs, cats, and humans. Which of the following distinguishes Giardia from all prokaryotes?
Answer:
Its has a nucleus
Explanation:
Giardia is a microscopic single celled prokaryotic organism that causes giardiasis. Giardiasis is an intestinal Infection in humans and dogs which is caused by giardia. It is an eukaryotic organism that have nucleus and nuclear membrane but it lacks other ORGANELLES that are present in Eukaryotic organisms. It causes diarrhoea in humans and woman's can get infected from dogs.
What are the three steps to aerobic cellular respiration?
Answer:
The reactions of cellular respiration can be grouped into three stages: glycolysis, the Krebs cycle (also called the citric acid cycle), and electron transport. Figure 5.9. 3 gives an overview of these three stages, which are also described in detail below.
Explanation:
Wha this one possibility that muscles hurt after like a run?
1
2
3
4
Why
are plants and animals able to survive in the tundra?
I
Answer:
Plants and animals have developed specific adaptations that allow them to survive the extreme climate of the tundra. These adaptations include thick fur, dense hair, retention of dead leaves, and feathered feet.
Explanation:
edge 2020
Which of the following are part of the cell theory?*
All living things are composed of cells
Cells are the basic unit of stucture and function in all living things.
Cells only come from the reproduction of pre-existing cells
All of the above
Answer:
all of the above
Explanation:
it's because of the circulation that comes from human or animals.
The diploid number of chromosomes in a human skin cell is 46. The number of
chromosomes found in a human egg or sperm cell is
046
23
092
12.5
Answer:
092
Explanation:
the number of chromosomes in a human egg is double the number in the skin,hence diploid =46
If you would have to design a new drug to inhibit adipogenesis to fight obesity. How would you do it
Answer:
by inhibiting cell-cycle regulators involved in adipogenesis
Explanation:
Adipocytes are cells composed of adipose tissue and are specialized to store energy in the form of fat. In cell lines, it has been shown that adipogenesis can be inhibited through the use of inhibitory proteins, which function to arrest preadipocytes in the G1 phase of the cell cycle. These proteins are transcription factors that control cell-cycle progression by increasing gene expression of cell cycle inhibitors such as, for example, p21 protein. In the case of p21, this protein is a cyclin-dependent kinase inhibitor that binds and thus inhibits Cyclin-dependent kinases (CDKs), thereby controlling the progression of the cell cycle at the G1 and S phases.
Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?
Answer:
The answer is either B or C But im pretty sure its B!
Hope you do Great!
Explanation:
Which phase describes an irregular galaxy
Answer:
B) Contains young stars
Explanation:
Irregular galaxies often have little shape or structure and lack extending arms. Furthermore irregular galaxies often tend to be smaller rather than larger . However they are often composed of varying aged stars (including young stars).
A poison placed on tips of darts by natives of the Amazon rainforest paralyzes praise such a small mammals. Which of these praise cells are most likely affected by the poison?
Muscle cells
Epithelial cells
Red blood cells
White blood cells
Answer: A.) muscle cells
Explanation: edge2020
Answer:A
Explanation:
which one protects the body from infections
Answer:
The EPIDERMIS is the outer layer of your skin, and it plays an important role in protecting your body from things like infections,UV radiation and losing important nutrients and water..
