Explanation:
A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical reaction is a process that occurs when one or more substances are changed into one or more new substances.
Compare morphological and bio-
chemical evidence supporting
evolution.
The morphological evidence which is shown in fossils to modern animals supports evolution because some dinosaurs, for instance, had feathers and we can obviously see that trait today in birds. The biochemical evidence, which comes in the form of DNA comparison and amino acid similarities, shows that we related closely to monkeys and pigs, which suggests that we have close ancestors to these animals.
Morphological evidence: Physical structures and traits indicate evolutionary relationships.
Biochemical evidence: Genetic and molecular similarities indicate evolutionary relationships.
Evolution is supported by morphological evidence. Scientists can establish evolutionary links by analysing species' anatomy. Homologous structures, which have a common origin but diverse functions, reflect a shared lineage. Comparative examinations of bone structure, limb arrangement, or body plans can reveal evolutionary links.
Biochemical data emphasises genetic and molecular similarities between organisms. Scientists may compare DNA, protein, and other substances at the molecular level. Common ancestry and evolution explain these commonalities. Comparing genetic sequences can show how closely related species are and when they evolved from a common ancestor.
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Scientists often use fruit flies as a method to test hypotheses about human genes. Why are fruit flies advantageous in the study of human inheritance?
They can self-pollinate.
They lack nucleic acids.
They are very different from humans.
They reproduce quickly and take up little space.
Fruitflies are advantageous in the study of human genes and inheritance because they reproduce quickly and take up little space.
Advantages of using Fruitflies in the study of human geneticsFruitflies are usually a subject for the study of human genes and inheritance for some reasons:
They have a simple genetic structureThey reproduce quicklyThey are quite small and hence take up very little spaceThe quick rate of reproduction makes fruitflies good subjects for studying mutation as well.
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They reproduce quickly and take up little space.
What is inheritance?Fruit flies (Drosophila melanogaster) are advantageous in the study of human inheritance because they have several characteristics that make them well-suited for genetic research. One key advantage is their rapid reproductive cycle, with a generation time of about two weeks. This allows researchers to observe multiple generations in a short period, accelerating the study of inheritance patterns and genetic traits.
Additionally, fruit flies have a relatively small size, making it feasible to maintain large populations in a laboratory setting without requiring excessive space or resources. This allows for efficient experimental design and the ability to conduct large-scale genetic studies.
While fruit flies share some genetic similarities with humans, they are not identical to humans. However, their genetic and developmental processes have enough similarities to provide valuable insights into fundamental principles of inheritance and gene function, which can inform our understanding of human genetics.
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what is the role of vegetation in slope stability?
Use examples to explain how the geosphere interacts with two other of Earth's spheres. Explain the interaction for each using complete sentences. HELPPPP
Answer:The interaction between Geosphere, atmosphere and hydrosphere: Geosphere interact with various spheres of earth and help in various cycles of element and performing different processes. One of the examples of such interaction is the geosphere interacts with the atmosphere and hydrosphere when a volcano erupts.
A volcano is a structure or the part of the geosphere which releases lava and particulate matter into the atmosphere where it plays a role as a center particle or nuclei for the water droplets which is come down into river and land in the form of rainfall which is a part of the hydrosphe
pls give me a branlest
When Emma first began dancing, her movements were ______ and awkward. Now, after several months of practice, Emma is able to produce fluid, smooth movements as a result of which of the following?
*all of the above is correct
Answer:
All of the above is the correct answer
Explanation:
A network of small arteries called the ___________ provides a blood supply to the tunica externa of very large vessels.
Answer:
vasa vasorum.
Explanation:
If gastr/o is the combining form for stomach, what is the medical term that means removal of half of the stomach
Pls help pls 30 points and brainley for right answer.
Burton Arctic fish such as winter flounder survived by producing a protein that keeps your body fluids from freezing down to -1.5 degrees Centigrade this antifreeze protein or AFP works by binding two ice crystals preventing them from growing. AFP is produced in the fish's liver following directions in code and DNA of one gene scientists place the AFP Gene found in flounder into tomatoes what purpose do you think does genetic modification serves FULLY explain and discuss your thoughts.
Answer:
GMOs, are genetically modified organisms whose genetic material has been altered using genetic engineering. Genetic engineering is the modification of an organism's phenotype by altering its genetic make-up. Genetic engineering is primarily performed by simple mating or gene recombination. Many have different opinions about using GMO's
Explanation:
HELP ASAP PLS! just need 1 question:( i don’t understand what it’s asking !:(
Answer:
As the prey population increases, there is more food for predators. So, after a slight lag, the predator population increases as well. As the number of predators increases, more prey are captured.
Explanation:
the body system responsible for filtering wastes from the blood is the:
Answer:
urinary system
Explanation:
urinary system is responsible for filtering blood ,wastes and excessive water
emission meaning in biology?
Answer:
expelling, discharge, emission - any of several bodily processes by which substances go out of the body; "the discharge of pus" nocturnal emission - ejaculation during sleep (usually during a dream)
Explanation:
This is the correct answer happyAnswer:
An emission is something that has been emitted—released or discharged. In general, emissions consist of things like gas, liquid, heat, sound, light, and radiation. ... This exhaust is just one form of carbon emissions—greenhouse gases from various sources that are known to contribute to global warming and climate change.
hi madam , ek vicharu ka tumhala tumcha aani amol cha breakup zala ka?
which molecule is needed for photosynthesis to occur?
Answer:
Carbon dioxide and water
Explanation:
plants prepare their food in presence of these molecules to produce sugar and oxygen which we required for survive
how to call repudiation
Answer:
can arise where a party indicates an intention to perform in connection with a contract but only in a manner substantially inconsistent with its obligations
Patient describes a burning sensation on the posterior side of her body, lateral to the spine on the left side of the body inferior to the shoulder blade, inferior to the waist and superior to the knee. Where is this located on the image above?
A
B
C
D
E
F
G
H
I
J
Answer:
Explanation:
Injuries to the upper brachial plexus (C5, C6) affect muscles of the shoulder and elbow.
How to treat Scalp acne?
Answer:
1. Treat acne on the head with benzoyl peroxide
2. Use salicylic acid to clear pores
3. Use AHA to treat acne on the head
4. Cleanse the scalp with sulfur
5. Use a retinoid to apply to acne spots
Explanation:
The expulsion of urine from the bladder is referred to as:
Answer:
Urination or micturition
Explanation:
Damselfish will fight over newly available territory. This is a direct interaction between individuals and is an example of
Answer:
This is a direct interaction between individuals and is an example of... Territorial agression!
Explanation:
territorial behaviour, in zoology, the methods by which an animal, or group of animals, protects its territory from incursions by others of its species. Territorial boundaries may be marked by sounds such as bird song, or scents such as pheromones secreted by the skin glands of many mammals.
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If there is oxygen around, how will muscle cells make ATP?
Answer:
Muscle cells can continue to produce ATP when oxygen runs low using lactic acid fermentation. ... Many yeast use alcoholic fermentation to produce ethanol
Fucus shows ______life cycle pattern
a)Haplontic
b)Haplo-diplontic
c)Diplontic
d)Diplo-haplontic
Fucus shows the diplontic life-cylic.
Both the male and female fuse in the ostiole of the bump.
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Semiconservative DNA replication means that
A. each daughter DNA molecule is composed of one original strand and one new strand.
B. the sequence of a DNA molecule is preserved as it is being replicated.
C. each strand of a double-stranded DNA molecule is replicated differently.
D. the cell can proofread its newly synthesized DNA only part of the time.
E. nucleotides are constantly being recycled as cells make DNA.
Semiconservative DNA replication means that each daughter DNA molecule is composed of one original strand and one new strand (Option A). It describes the mechanism of DNA replication.
In semiconservative DNA replication, both DNA strands separate and serve as templates to create new complementary DNA strands.
In consequence, each daughter cell has a molecule of DNA composed of an 'old' DNA template strand and a newly synthesized DNA strand.
The semi-conservative nature of DNA Replication was discovered by Meselson and Stahl.
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the age of fossils can sometimes be determined by radiometric dating, which is based on the constant rate of decay of radioactive isotopes. the time required for half of a radioactive isotope to decay is called the half-life of that isotope. for example, the isotope carbon-14 has a half-life of 5,730 years.
Answer:
17,190 years Radiometric dating is a technique for determining the age of fossils that is based on the fact that specific radioactive isotopes decay at a constant rate.
Explanation:
which division of the ans is associated with the fight-or-flight response?
Walking through a forest you
encounter fallen leaves, dead
organisms, a rotting stump. All of
these can be described as
A. autotrophs.
B. primary consumers.
C. trophic levels.
D. detritus.
Answer:
D
Explanation:
D is really decomposing waste of anytime so I think that’s the answer.
In a forest fallen leaves, dead organisms, a rotting stump. All of these can be described as detritus, hence option D is correct.
What are detritus in the ecosystem?Detritus is a term used in ecology to describe organic stuff that comes from nearby terrestrial populations and falls onto the soil or into bodies of water, including leaves and other plant parts, animal remains, waste products, and other organic trash.
Detritivorous invertebrates, which are prominent elements of almost all ecosystems, eat detritus, which is a significant pool of carbon in the global carbon cycle.
Therefore, detritus food chains, in contrast to terrestrial food chains, begin with dead organic materials rather than producers or autotrophs, hence option D is correct.
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What must happen to a chromosome for it to become chromatin?
Answer:
Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5). ... However, when eukaryotic cells are not dividing — a stage called interphase — the chromatin within their chromosomes is less tightly packed.
Explanation:
a can of pop has a mass of 0.30 kg. what is the weight of that can on earth
Answer:
the same but I would need to see the answer
most of the surface area of a plasma membrane consists of
Answer:
50% liquid and 50% protien by wieght
Circle the letter of the phrase that best completes the sentence.
The cell theory was
a. first identified in 1665
b. the end result of many scientific investigations.
c. described by Rudolf Virchow.
d. Both (a) and (b)
Answer: D
Explanation: the cell theory took many years to fully learn about and publish and many different scientists, biologists etc had to investigate in order to finalise the hypothesis. Also, it was first identified in 1665 by Robert hooke.
From a plant cell leucoplast is removed. What will its effect be on the cell functioning?.
Answer:
Leucoplasts (λευκός leukós "white", πλαστός plastós "formed, molded") are a category of plastid and as such are organelles found in plant cells. They are non-pigmented, in contrast to other plastids such as the chloroplast.
Leucoplasts, specifically, amyloplasts
Lacking photosynthetic pigments, leucoplasts are not green and are located in non-photosynthetic tissues of plants, such as roots, bulbs and seeds. They may be specialized for bulk storage of starch, lipid or protein and are then known as amyloplasts, elaioplasts, or proteinoplasts (also called aleuroplasts) respectively. However, in many cell types, leucoplasts do not have a major storage function and are present to provide a wide range of essential biosynthetic functions, including the synthesis of fatty acids such as palmitic acid, many amino acids, and tetrapyrrole compounds such as heme. In general, leucoplasts are much smaller than chloroplasts and have a variable morphology, often described as amoeboid. Extensive networks of stromules interconnecting leucoplasts have been observed in epidermal cells of roots, hypocotyls, and petals, and in callus and suspension culture cells of tobacco. In some cell types at certain stages of development, leucoplasts are clustered around the nucleus with stromules extending to the cell periphery, as observed for proplastids in the root meristem.
Etioplasts, which are pre-granal, immature chloroplasts but can also be chloroplasts that have been deprived of light, lack active pigment and can be considered leucoplasts. After several minutes exposure to light, etioplasts begin to transform into functioning chloroplasts and cease being leucoplasts. Amyloplasts are of large size and store starch. Proteinoplasts store proteins and are found in seeds (pulses). Elaioplasts store fats and oils and are found in seeds. They are also called oleosomes.
When is the kinetic energy of a pendulum the least?
Question 5 options:
On the path beginning the upwards swing.
Half the distance on the path traveling back down.
At the bottom of the swing.
At the top of the swing where it briefly stops before changing direction.
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The Correct choice is ~
" At the top of the swing where it briefly stops before changing direction "
before changing the direction, it stops for a while therefore the kinetics energy is almost zero at that particular moment ~
The answer is D - At the top of the swing where it briefly stops before changing direction. This is where potential energy is at its highest, meaning that kinetic energy is at its lowest. When the pendulum is beginning its upwards swing, it has a lot of kinetic energy. When it is half the distance traveling down it also has lots kinetic energy. When it is at the bottom it as well has a lot of kinetic energy. The only time where the kinetic energy is least is when the pendulum stops to change direction. Any form of stopping forced the object to loose its kinetic energy.
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What are the missing coefficients for the skeleton equation below? N2+ H2-->
NH3
(A)3,1,2 (B)1,3,3 (C)1,3,2 (D)1,1,2 (E)2,6,6