Answer:
Natural selection, the keystone of evolution, can switch direction in a matter of months, a novel experiment on lizards reveals.
Answer:
The long-legged adaptation helps the trunk-ground anoles not only catch prey on the ground but also avoid predators that live in their habitats. However, when placed in the habitat of the twig anoles, where twig anoles can move easily with their short legs, the trunk-ground anoles are clumsy
What is the net force?
What is the direction right, left, up, down or no motion
Due to the partial charges on atoms in a water molecule, ____ in water molecules are attracted to oxygen atoms in other water molecules.
Hydrogen bond in water molecules are attracted to oxygen atoms in other water molecules.
A hydrogen bond is a strong dipole-dipole attraction which occurs between:
the hydrogen atom attached to a strongly electronegative atom (for example oxygen in water molecules)another strongly electronegative atom with a lone pair of electronsHydrogen bonding occurs in the following compounds which include water, hydrogen fluoride and ammonia.
When an electronegative atom such as oxygen is bonded to hydrogen, a dipole develops causing the hydrogen to be partially positive while the other atom is partially negative.
Thus, this accounts for high boiling point in compounds that contains hydrogen bonds.
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What is the cell theory?
Answer:
I guess it would help you
What is the significance of directionality of the monomers in a polymer
Answer:
When you put the monomers together in a certain sequence/order they have different structures and functions.
Explanation:
Which of the following mechanisms of change in genefrequencies is responsible for the antibiotic resistance of E. coli in this experiment?
A. founder effect
B. natural selection
C. population bottleneck
D. genetic drift
Natural selection is the mechanism responsible for the antibiotic resistance of E. coli.
Natural selection is a mechanism that favors the adaptation of organisms to survive in their environment, thrive and reproduce.
In the context of antibiotic resistance, antimicrobial substances exert selective pressure on microbes that encourages the evolution of resistance.
Those capable of resisting the effects of antibiotics survive and reproduce, while the vulnerable either die or have their growth inhibited.
The excessive and inappropriate use of antibiotics favors selection for antibiotic resistance in bacteria.
E. coli is characterized by having Gram negative bacilli, it represents the greatest risks of zoonotic transfer of resistance.
In general, and when a treatment is short, there is an elimination of sensitive saprophytic strains of E. Coli and an enormous predominance of resistant strains.
Bacteria also acquire antimicrobial resistance through vertical or horizontal transfer of genetic information.
Therefore, we can conclude that resistance to antibiotics in E. coli is due to the process of natural selection since it evolves to resist the action of an antimicrobial agent.
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Which word describes a statement that is based on thoughts and ideas not experiments?
law
hypothesis
theory
data
The answer is hypothesis!
The word describes a statement that is based on thoughts and ideas not experiments is hypothesis. The correct option is B.
What is hypothesis?A "hypothesis" is a term that is frequently used in science. Depending on the context, the word can have many different meanings: A scientific hypothesis is a suggestion for a solution based on evidence.
A hypothesis is an explanation proposed for a phenomenon. The scientific method usually needed a hypothesis to be testable in order for it to be considered a scientific hypothesis.
It aids in providing a link between the underlying theory and the specific research question.
It aids in data analysis and assesses the research's validity and reliability. It serves as either a basis or proof of the research's validity.
Thus, the correct option is B.
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Help me pleaseeee I need to finish this:(
Answer:
p
Explanation:
p=nucleic acido=carbohydraten=proteinss=lipidst=all have in commonr= protein6.
What are two characteristics of each of Earth’s four major systems?
Answer:
Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air)
How are castor seeds dispersed
Answer:
seeds can be disperse by rodent and birds, on mud adhering to boot, on vehicle and machinery, and by flood water. It is also spread by an explosive mechanisms( on local level) when the capsule dries up and splits
Describe the digestion of fats.
You should include reference to the following in your answer.
- Named regions of the alimentary canal and associated organs.
- Named chemicals, including the end producys of fat digestion.
Answer:
The majority of fat digestion happens once it reaches the small intestine. This is also where the majority of nutrients are absorbed. Your pancreas produces enzymes that break down fats, carbohydrates, and proteins. Your liver produces bile that helps you digest fats and certain vitamins.
Answer:
Triglycerides are large molecules, and unlike carbohydrates and proteins, they're not water-soluble. The digestive process has to break those large droplets of fat into smaller droplets and then enzymatically digest lipid molecules using enzymes called lipases. Digestion of fats mainly take place from fat enzymes produced in liver.
PLEASE MARK ME BRAINLIEST.Plant cells consist of
Explanation:
•Nucleus
•Plastids
•Central Vacuole.
•Golgi Apparatus
•Ribosomes
•Mitochondria
•Cell Wall
•Cell membrane
what is photosynthesis ???
Answer:
plants feed themselves by manufacturing food by absorbing light as energy
Answer:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of suga
giving brainliest!!
Which represents the complimentary base pairing rule for DNA replication?
Adenine pairs with guanine and cytosine, pairs with thymine
Adenine pairs with cytosine, and guanine pairs with thymine
Guanine pairs with cytosine, and adenine pairs with thymine
Guanine pairs with uracil, and adenine pairs with cytosine
Answer:
C
Explanation:
You will need to follow Chargaff's rules.
Adenine always pairs with thymine and cytosince always pairs with guanine.
Guanine pairs with cytosine, and adenine pairs with thymine is the base pairing rule for DNA replication.
What is DNA?DNA exists abbreviation of deoxyribonucleic acid, an organic chemical of complicated molecular structure that exists found in all prokaryotic and eukaryotic cells and numerous viruses. DNA codes genetic announcement for the transmission of inherited traits. Each strand of a DNA molecule exists comprised of a long chain of monomer nucleotide. The nucleotide of DNA consists of a deoxyribose sugar molecule to which stands connected a phosphate party and one of four nitrogenous bases.
Hence, Guanine pairs with cytosine, and adenine pairs with thymine is the base pairing rule for DNA replication.
Therefore, third option is the correct answer.
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Select the correct answer.
Imagine that an exchange student from China visits your class. While your teacher discusses how the United States has a limited government, the Chinese student raises his hand and asks why the government has limited power. Which point best highlights why the US government has limited power?
A.
A limited government means citizens pay fewer taxes.
B.
A limited government helps people avoid breaking the law.
C.
A limited government protects individual freedoms.
D.
A limited government prevents businesses from being too powerful.
Answer:
Option C
Explanation:
A limited government protects individual freedoms.
Hope this helps!
Which of the cell organelles listed below are involved with cell division processes. Select as many as apply. A. endoplasmic reticulum B. ribosomes C. proteasomes D. Golgi apparatus E. mitochondria F. lysosomes G. centrioles H. microvilli
The listed organelles which are involved in cell division are CENTRIOLES (Option G).
The centrioles are paired barrel-shaped organelles that help to organize the chromosomes in order to ensure their correct segregation during cell division.The centrioles are only found in animal cells and are located near the cell nucleus.Other organelles/structures involved in cell division include the cell nucleus, microtubules and cell membrane.In conclusion, the CENTRIOLES are organelles involved in cell division (Option G is correct).
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what is biomolecules ?how it works in our daily life
Answer:
all
Explanation:
jeksksusisjhdisiskshdhdi
Answer:
Biomolecule, also called biological molecule, any of numerous substances that are produced by cells and living organisms.
Explanation:
The biomolecules may involve in several processes such as energy storage (carbohydrates), catalyzing the biochemical reactions (hormones), storing/transmitting the genetic codes (RNA/DNA), or altering biological and neurological activities (neurotransmitter/hormones.
(hope this helps)
Which feature of DNA regulates the types of enzyme produced in a cell
what is semi conduction
Explanation:
Semi-conductive describes a component which conducts electricity less well than a good conductor but better than an insulator.
The hose should be semi-conductive, with a resistance high enough to insulate a stray current but conductive enough to get rid of static charge build-up.
Carbon black can be used to lower the resistivity of plastics, imparting antistatic, semi-conductive, or conductive properties.
Semi-conductive describes a component which conducts electricity less well than a good conductor but better than an insulator.
For cells and cellular components- Mitochondrion, Animal cell, ATP, O2, Hexokinase (an enzyme that phosphorylates hexoses (six-carbon sugars)), Ribosome, the correct size order from the smallest to the largest is:
The correct size order from the smallest to the largest is:
Animal cell >> Mitochondrion >> Ribosome >> Hexokinase >> ATP >> O2
The animal cell size is about 20 to 30 micrometers (μm), although it varies according to the type of the cell.The average mitochondria size is approximately 0.75 to 3 μm. The size, number, and structure of mitochondria in an animal cell vary according to type of animal cell.The ribosome size is approximately 0.02 μm in diameter.An enzyme is a macromolecule whose size is variable (its average size is 3–7 nanometers, i.e., 3-7 nm). A micrometer (μm) equal to 1000 nm.The adenosine triphosphate or ATP (the energy coin of the cell, which is composed of a five-carbon sugar, three phosphate groups, and adenine) and molecular oxygen (O2) are both simple molecules whose sizes are very small compared to enzymes.Learn more in:
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What does parent material refer to?
Answer:
Soil Source
Explanation:
Environmental Science - Quiz 2.2.4: Soil Composition and Structure
62 East Maple Ave.
Arlington, MA 02474
If you got a problem with my answer den hit me up and come through im off next sunday if you're free then honestly we baaAAAAAAAAAAAAAAA
what is the importance of biology?
Answer:
As a field of science, biology helps us understand the living world and the ways its many species (including humans) function, evolve, and interact. Advances in medicine, agriculture, biotechnology, and many other areas of biology have brought improvements in the quality of life.
Match each part of a cell with the body part that has a similar function.
Nucleus
Cell membrane
Mitochondria
Cytoplasm
Answer:
Nucleus: blood
Cell Membrane: skin layer
Mitochondria; stomach
Cytoplasm: brain like structure
I'm not really sure of my answers.
Explanation:
The function of nucleus matches with that of brain and the function of cell membrane with that of Golgi bodies. Similarly, the function mitochondria is similar with that of liver and the function of cytoplasm is similar to that of skin.
What is a cell?
Cell is the basic unit of living bodies. A cell contains a nucleus, cell membrane, lysosomes, Golgi bodies etc.
Nucleus regulates all the functions of a cell as brain do in our body. Cell membrane helps to transport ions inside the cell as Golgi bodied do.
Mitochondria provide the energy and produce the chemicals needed for all chemical processes in the cell as liver do in our body.
Therefore, nucleus and brain matches in function and cell membrane and Golgi bodies matches in function. Similarly mitochondria and liver marches as well as cytoplasm and skin matches in functions.
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Discuss three ways to sustain the carbon cycle
Which person would more likely be a candidate for a surgery? Middle ear damage or inner ear damage?
Explanation:
candidate 4 inner ear surgery = inner ear
because inner ear is what helps you hear sound, more so than outer ear.
outer ear= ( like a speaker to capture sound).
inner ear = complex structures & bones to help process sound to brain...
depending on circumstances, drs may let each structure heal b4 next surgery, takes 6 wks
or more 2 heal if all goes as planned.
shud take a year 2 complete healing. meaning ; drainage tubes have 2 b inserted for drainage of infectious substances.
start with inner 1st then outward. protecting inner structures..
only animals respond to their environment true or false
[tex]\textbf\red{False}[/tex]
[tex] \\ \\ [/tex]
[tex]\small\text\green{\underline{All living things responds to their environment.}}[/tex]
name the process responsible for the formation of glomerular filtrate
Answer: Please refer to:
The process by which glomerular filtration occurs is called renal ultrafiltration. The force of hydrostatic pressure in the glomerulus (the force of pressure exerted from the pressure of the blood vessel itself) is the driving force that pushes filtrate out of the capillaries and into the slits in the nephron.
Explanation:
Not sure but hope it helps.
Why do some scientists believe that RNA, rather than DNA, was the first genetic material?
RNA can replicate more accurately than DNA.
RNA contains uracil in place of thymine.
All of the protocells on early Earth contained RNA.
RNA has both information storage and catalytic properties.
The correct answer as to why some scientists believe that RNA, rather than DNA, was the first genetic material would be that RNA has both information storage and catalytic properties.
Other options are cannot be correct because:
RNA cannot replicate itself unless it is in a living host.RNA containing Uracil instead of Thymine has no effect on being the first genetic material or otherwise.There is no clear evidence to show that all of the protocells on early Earth contained RNAThe fact that RNA has the capacity to store information as well as catalyze important biological processes made it a plausible candidate as the first genetic material. DNA has the capacity to store information but lacks catalytic properties, unlike RNA.
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What are 3 Characteristics of Life?
Certain meteorites have been examined and found to carry samples of which molecules? Select all that apply. lipids nucleotides polypeptides amino acids monosaccharides
The correct answer as to which molecules some examined meteorites contain would be lipids, nucleotides, amino acids, and monosaccharides.
Meteorites are considered to be pieces of rocks or metals that fall into the earth from outer space. These rocks/metals have been extensively studied/analyzed by some researchers, especially those seeking to prove/disprove the Panspermia theory that life originates from other planets.
Several studies conducted found compounds such as lipids, DNA, RNA, and amino acids. There has been no evidence for monosaccharides for a long time until 2019 when an international team discovered sugars such as xylose and arabinose in certain meteorites. No polypeptide has been discovered in meteorites, but its precursor, amino acids, have been discovered.Therefore, the correct answer to the molecules that have been found in some meteorites would be lipids, nucleotides, amino acids, and monosaccharides.
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How many electrons are contained in a single covalent bond
hi <3
there would be 2 electrons. each atom shares an electron each so in a single covalent bond, there would be 2 electrons
hope this helps :)
There are two electrons in a covalent bond.
Deeper meaning:-A covalent bond can be meant of as a 'shared pair' of electrons, so there are 2 electrons in each bond. This means that a double bond will have 4 electrons in the space between the bonded nuclei, and a triple bond will have 6.
Hope it helps you...
(Answered by Benjemin)
