There are four different types of nucleotides in DNA, and they differ from one another by the type of base that is present: adenine (A), thymine (T), guanine (G), and cytosine (C). A base on one of the chains that makes up DNA is chemically bonded to a base on the other chain.
Answer:
Nucleotides in DNA contain four different nitrogenous bases: Thymine, Cytosine, Adenine, or Guanine. ... Pyrimidines: Cytosine and Thymine each have a single six-member ring. Purines: Guanine and Adenine each have a double ring made up of a five-atom ring attached by one side to a six-atom ring.
65 million years ago, a large asteroid collided with the
Earth. As a result, large amounts of ash were ejected
into Earth's atmosphere.
Answer:
yes
Explanation:
Some studies have shown that peppermint odor increases people’s mental sharpness, especially when they solve math problems. Which best describes how this could be a valid scientific claim?
Answer:
If it is tested in a controlled setting with repeated results
Explanation:
Alcoholics often have trouble with night blindness. This results from:_______.A. impaired absorption of several B-vitamins.B. fluid accumulation in the eye.C. damage to the brain cells.D. imparired absoption and transport of vitamin A.
Answer:
the answer is /a / or /c/Which process results in two identical cells?
meiosis
replication
fertilization
mitosis
Answer:
d
Explanation:
The process that results in two identical cells is known as Mitosis. Thus, the correct option for this question is D.
What is Mitosis?Mitosis may be defined as a type of cell division through which two identical daughter cells are produced from a parental cell. These daughter cells are genetically identical to their parental cells and are mostly diploid in nature.
While the process of meiosis typically produces four daughter cells from a parental cell. These daughter cells are not genetically identical to their parental cells. These cells are haploid in nature.
The process of fertilization may be defined as when two distinctive gametes are fused together in order to produce a zygote. While replication is the duplication or synthesis of genetic material during the S-phase of Interphase.
Therefore, mitosis is the process that results in two identical cells. Thus, the correct option for this question is D.
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How can colorless proteins be monitored during electrophoresis?
Eating lots of fruits
and vegetables will
make you a faster
runner.
Independent variable?
Dependent variable?
Answer:
Independent is what youre testing so it should be eating vegetables and fruits. and Dependent is what your outcome should be the dependent variable depends on you IV (independent variables) so the DV should be whether you run faster or not.
Explanation:
Which is most likely to help an introduced species become invasive?
A:a low reproductive rate
B:big difference between original and new habitats
C:a strong predator in new habitat
D:great tolerance to a wide range of conditions
please help
A:a low reproductive rate
B:big difference between original and new habitats
C:a strong predator in new habitat
D:great tolerance to a wide range of conditions
Invasive species are defined as organisms that cause economic or ecological harm to the new environment affecting the ecosystem.
The correct answer is:
Option D. great tolerance to a wide range of conditions
Invasive species can be defined as:
1. Invasive species are defined as organisms or species that are potentially harmful to the ecosystem.
2. Invasive species shows great tolerance to a wide range of conditions or harsh environment. Invasive species are more tolerant of higher temperatures than native species and have high chances of survival.
Thus, the correct answer is Option D.
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is amoeba a matter¿, if it is, which state of matter do we classify it
What could happen if a person doesn't get the proper amount of protein in his or her diet?
Answer: You can be hungrier more often. Your bones become weaker and easier to fracture. Your immune system weakens because your antibodies become less effective. It could lead to a build up of fluids and cause your feet to swell. Your hair becomes brittle and falls out. Your nails become brittle. Eating less proteins puts you a a higher risk of high blood pressure. Your muscles get weaker. And your skin gets flaky.
Explanation:
how would you (in your own words) define carbon footprint in 2 sentances?
Explanation:
the amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization, or community.
Answer:
1: carbon footprint is the amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization, or community.
2: A carbon footprint is a measure of the impact your activities have on the amount of carbon dioxide (CO2) produced through the burning of fossil fuels and is expressed as a weight of CO2 emissions produced in tonnes.
What is the atomic mass of the element in period 2, group 13?
The atomic mass of the chemical element in period 2, group 13 is: 26.982 u
A periodic table can be defined as an organized tabular array of all the chemical elements typically arranged in order of increasing atomic number (in rows).
Basically, a periodic table comprises eighteen (18) columns and seven (7) rows.
Groups, families of elements are represented by the vertical rows on the periodic table while the periods of chemical elements are represented by the horizontal columns.
On the periodic table, the chemical element that is found in period 2, group 13 is Aluminum (Al) with an atomic number of 13 i.e it has 13 protons.
In conclusion, the atomic mass of Aluminum (Al) is 26.982 u and it is found in period 2, group 13 of the periodic table.
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Combine the subject of the poem with relevant details
to determine the poem's central idea.
What is the purpose of the speaker's life?
O The speaker's life cannot be fulfilled, which
saddens her.
The speaker wants to spend her life helping others
with their pain.
The speaker feels that life can be figured out,
although incompletely.
Answer:
B
Explanation:
I took the test
Answer:
B
Explanation:
What system contains transitional epithelium?
Answer:
urinary system
Explanation:
Transitional epithelium is a type of stratified epithelium. This tissue consists of multiple layers of epithelial cells which can contract and expand in order to adapt to the degree of distension needed. Transitional epithelium lines the organs of the urinary system and is known here as urothelium.
Answer:
epithelial
Explanation:
Why do monosaccharide sugars burn faster than polysaccharides?
Answer:
Explanation:
This is because they are simpler molecular structure,with C-H bonds compare to polysaccharides which are aggregate of monosaccharide formed by glycosidic bonds.(covalent bonds) through condensation(This is the loss of OH and H from sugar molecules involved) the differences in strength of the two bonds is the reasons.
Full answer in the attachment
justify the following statement “thinking and new ideas advance science, not just the design of instruments” please help
Answer:
Designing some instruments does help science, but it doesn't advance ideologies of science.
Explanation:
Science is based on theories and laws. Scientists are constantly trying to explain the concepts of the universe by ideas. Sure, instruments do help scientists gather information and such, but ideas and philosophies, theories and laws are the ones that are most important. Without new ideas in science, we would not be able to hypothesize many things, or even develop new instruments.
Answer:
Here you go
Explanation:
Thinking and new ideas are the main advance in science. It's how new things are created. It is a lot more than just the design of instruments.
Differentiate between the 3 types of mixtures.
Answer:
Mixtures can be classified into three types: suspension mixture, colloidal mixture or solution, according to how they combine and can be separated. Suspension mixtures have larger solute particles, colloidal mixtures have much smaller particles, and particles in a solutions completely dissolve into the solvent
Explanation:
What is an atomic nucleus?
I need to know asap!!!!!!!
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom.
Answer:
an atomic nucleus is the nucleus of a atom.
Explanation:
It is in the center of the atom and is made of protons and neutrons. To complete the atom, it has electrons zooming around it!!! I hope this helped!!! please rate me and thank me :D
List four supporting tissues in plants
four support ing tissue in plants are
1. vascular tissue
2. epidermal tissue
3. ground tissue
4. meristematic tissue
Answer:
Parenchyma tissue, Collenchyma tissue, Sclerenchyma tissue, and Vascular tissue (Xylem, Phloem) are the supporting tissues in plants.
Conservation biologists studying cheetah populations have determined that the lack of genetic diversity among the cheetahs is due to
genetic drift.
Which statement explains the most likely consequence of having a low genetic diversity on the cheetah population?
O A. The chances of a mutation occurring in the cheetah population are decreased, increasing the cheetah survival rate.
OB. The gene pool remains in equilibrium and future generations of cheetah offspring are stronger and better adapted to their
environments.
O C. The cheetah population becomes less likely to survive an outbreak of a disease or an environmental change, increasing the chance
of species extinction.
O D. Genetic variability is maintained from older cheetah populations that have survived and endured environmental stressors.
Answer:The correct answer is C
Explanation:
I did the test
The statement that described the most result of less genetic diversity should be option c. where the cheetah population should be less likely to survive.
What is genetic diversity?It means the range where the various inherited traits lies within a species should be considered. In terms of species, there should be high genetic diversity. Also, it contains various individuals that contains various traits. It should be important for the population for adapting the changing environment.
hence, the option c is correct.
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Through what process does thiobacillus dentrifications help bioremediate groundwater
Answer:
Thiobacillus denitrificans is a species of bacteria that get its energy from carbon dioxide and inorganic compounds such as nitrogen in its environment. It is used in bioremediation (natural cleansing) of groundwater that contains excess nitrate, allowing the nitrates to be removed.
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please give brainlist
The denitrification process do thiobacillus denitrifications help bioremediate groundwater.
What is denitrification?Denitrification is the microbial conversion of nitrate and nitrite to nitrogen gaseous forms, primarily nitrous oxide (N2O) and nitrogen dioxide (NO2) (N2). Denitrification can be accomplished by a wide range of microorganisms. Changes in the oxygen (O2) concentration in their immediate environment cause denitrification.
Thiobacillus denitrificans is a bacterial species that gets its energy from carbon dioxide and inorganic chemicals like nitrogen in its surroundings. It is utilized in bioremediation (natural cleansing) of excess nitrate-containing groundwater to eliminate the nitrates.
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Explain cancer in terms of the cell cycle
Answer:
hey mate this is your answer
Explanation:Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.
Cancer is the result of unregulated cell division caused by a breakdown of the processes that govern the cell cycle.
What are oncogenes?A gene that has the potential to cause cancer is known as an oncogene. These genes frequently exhibit mutations or are highly expressed in tumor cells.
When crucial functions are altered and malfunctioning, the majority of healthy cells will die quickly and according to a predetermined schedule.
Uncontrolled cell division brought on by a breakdown in the mechanisms that control the cell cycle results in cancer.
The loss of control is caused by a change in the DNA sequence of a gene that codes for one of the regulatory molecules. Incorrect instructions will cause a protein to malfunction.
Thus, due to unregulated cell cycle, cancer becomes prominent.
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The arrow is pointing to the
in a plant cell.
Answer:
could you provide a picture
Pepsin and trypsin are two of the digestive enzymes that break down protein. A group of
students studied the pH requirements of these enzymes. The graph below shows the results.
Digesove Enzyme
m
Most
The students found that pepsin functions best in an acid environment and trypsin functions best in a neutral environment. Based on their
observations, pepsin most likely alds in digestion in which part of the human body?
(5.9 points)
A. Pancreas
B. Intestines
C. Mouth
ID. Stomach
Answer:
D. Stomach
Explanation:
One of the most important digestive enzymes that aids digestion by breaking down of ingested food, most especially proteins is pepsin, which is usually referred to as "stomach enzyme".
Pepsin is found secreted in the stomach.
The pH of the stomach is usually low, between 1.5 to 2 (acidic). This acidic environment of the stomach actually favors this stomach enzyme, as it activated the pepsin to perform it's function.
Based on the observations made by the students, it can be concluded that pepsin aids digestion most in the stomach. It's pH requirement to function optimally matches with the pH of the environment of the stomach.
Fill in the blanks below to complete the hypothesis for this lab. It should answer the lab question, “What is the effect of molecule size on a molecule’s ability to diffuse across a semipermeable membrane?”
If molecules are small enough, then . . .
Answer: correct conclusion (“then”): Molecules will diffuse through the membrane
correct reason (“because”): Molecules can pass through the membrane’s tiny openings
Explanation: Edgenuity2020
If molecules are small enough, then it will diffuse across a semipermeable membrane.
What is diffusion?Diffusion is the net movement of molecules from higher concentration to lower concentration.
Plasma membrane is semipermeable through which small molecules can diffuse because of the small size of molecules.
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How can solar energy be used to produce electricity?
Answer:
Solar-powered photovoltaic (PV) panels convert the sun's rays into electricity by exciting electrons in silicon cells using the photons of light from the sun. This electricity can then be used to supply renewable energy to your home or business.
Explanation:
Which correctly pairs the biome pictured with an animal that lives there? Level 1 A. Grassland: Bear B. Savannah: Lion C. Desert: Scorpion D. Tundra: Elephant
Answer:
Grassland: Lion
Savannah: Elephant
Desert: Scorpion
Tundra: Bear
Explanation:
Why are cars non living
Answer:
Cause they are Metals that there weight is tons
Explanation:
How do enzymes like trypsin release cells from tissues to create preparations of single cells? The enzymes digest extracellular domains of proteins that mediate endocytosis. The enzymes digest extracellular domains of proteins that mediate cytoskeletal function. The enzymes digest extracellular domains of proteins that mediate cell adhesion. The enzymes digest intracellular domains of proteins that mediate cell adhesion. The enzymes digest intracellular domains of proteins that mediate cytoskeletal function.
Answer:
The enzymes digest extracellular domains of proteins that mediate cell adhesion.
Explanation:
You will find the explanation in the attached file due to technical problems.
The following represents a small section of one strand of DNA:
TAC-ATG-TGG-CCA
How should the complementary strand of DNA be represented according to the base-pairing rules?
UTG-TUC-UCC-GGT
TAC-ATG-TGG-CCA
AUG-UAG-AGG-CCU
ATG-TAC-ACC-GGT
Answer:
ATG-TAC-ACC-GGT
Explanation:
T matches with A and C matches with G and vice versa. So the first three TAC would match with ATG.
Answer:ATG-TAC-ACC-GGT
Explanation:
This is because for DNA A pairs with T and C pairs with G and U isn’t used for DNA
Gills occurs in nostoc or spirogyra or mucor or agaricus
Answer:
Agaricus.....follow me and mark me brainliest
