Answer: Small mammals have large surface area to volume ratio hence lose heat quickly to environment; to replace the heat, lost, their metabolism is high making them to feed more frequently.
Explanation:
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Who developed a system for naming and classifying organisms that is still used today?.
Answer: Carolus Linnaeus
Explanation:
Carlos Linnaeus created the binomial nomenclature system which gives scientific names to animals. Their genus and species is what classifies organisms.
Linnaeus also created the taxonomic system, which classifies organisms within different groups and subsets.
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_____ contain similar genes but often different alleles. After DNA replication, ______ contain identical alleles combinations.
Chromosomes contain similar genes but often different alleles. After DNA replication, Homologous Chromosomes contain identical alleles combinations.
What is Chromosome?Chromosomes contains DNA ( deoxyribonucleic acid) which makes up the gene or genetic constituents of an individual.
The combination of alleles of a gene makeup the genotype.
Therefore, Chromosomes contain similar genes but often different alleles. After DNA replication, Homologous Chromosomes contain identical alleles combinations.
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What is the difference between Junior planets and Terrestia planets? Which group is closest to the sun?
Answer:
Terrestrial planets include: Mercury, Venus, Earth, and Mars (in order from closest to the sun to farthest from the sun)
Jovian planets include: Jupiter, Saturn, Uranus, and Neptune (in order from closest to the sun to farthest from the sun)
Explanation:
Terrestrial planets have solid surfaces (usually rocky) with a dense metallic core, while Jovian planets are gas giants, meaning that they have no solid surface. Jovian Planets have a large gaseous composition and a small, molten rock core.
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
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Which system of the body would be most directly affected if excess cholesterol led to plaque deposits in arteries?
circulatory system
immune system
endocrine system
respiratory system
Answer:
endocrine system
Explanation:
it would stop circulating hormones through they system
The structural and functional units of the kidney are called
Answer:
The structural and functional units of the kidney are called nephron.
Fun Facts about Nephron:
Nephron is the structural and functional unit of the kidney.
Its primary purpose is to maintain the concentration of water and soluble chemicals such as sodium salts in the blood by filtering it, reabsorbing what is needed, and excreting the excess as urine.
The glomerulus and renal (kidney) tubule are the two primary structures in each nephron. Each human kidney contains around 1,000,000 nephrons.
The structural and functional units of the kidney are called the nephrons. Each human kidney contains 8-10 lakhs nephrons.
What do you mean by Kidney?A Kidney may be defined as a pair of bean-shaped organs that eliminate waste and extra water from the blood and help keep chemicals balanced in the body.
Each nephron contains two structures i.e. Glomerulus and Tubules. The Glomerulus is a tough capillary through which a large amount of fluid is filtered from the blood.
Tubules are the other structure of the nephron in which the filtered fluid is converted into the urine.
Therefore, the structural and functional units of the kidney are called nephrons.
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How the circulatory and respiratory systems work together to deliver oxygen to the body’s tissues
Answer:
The circulatory system circulates the blood to the whole body.
The respiratory system brings oxygen to the blood, and the circulatory system circulates the oxygenated blood to the cells.
Explanation:
If, while examining a human karyotype, it is observed that there are 22 paired chromosomes and two chromosomes that are not the same size, this would most likely be due to.
If, while examining a human karyotype, it is observed that there are 22 paired chromosomes and two chromosomes that are not the same size, this would most likely be due to mutation.
What is mutation?Mutation is any change in the nucleotide or chromosomal sequence of a genome.
There are different types of mutation and they include;
Deletion mutationTranslocation mutationInsertion mutationAccording to this question, a human karyotype was observed to have 22 paired chromosomes and two chromosomes that are not the same size.
This observation is likely caused by a mutation that caused the pairing of unequal sized chromosomes.
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Plants, or autotrophs, do which of the following processes? (Select all.)
Glycolysis
Photosynthesis
Cell Respiration
None of the above
Answer:
Glycolysis, photosynthesis, and cellular respiration
Explanation:
Glycolysis takes place in the cytoplasm of animal and plant cells, whereas the subsequent steps of cellular respiration take place in the mitochondria.Plants have mitochondria and can perform cellular respiration. When would plants need to release energy by cellular respiration? Plants would release energy through cellular respiration in times when sunlight is not present.helppppppp I dont take links
Answer: Warm air rises and causes high air pressure. Cold air stays closer to earth and causes low air pressure which is known as low pressure. When there is a low-pressure system in the area- In contrast, a high-pressure system allows for rain clouds "I believe since water vapor is formed when water is heated and it can form when something heats".
The rest are taken, and I can't answer them because of the shortage and they dont make sense :(
Explanation: I'm sorry if im wrong, I'm just trying to be helpful.
In a bacterium that possesses antibiotic resistance and the potential to persist through very adverse conditions, such as freezing, drying, or high temperatures, dna should be located within, or be part of, which structures?.
In a bacteria that possesses antibiotic resistance and the potential to persist through very adverse conditions, the DNA should be located in the plasmid.
What is a plasmid?Plasmid is a small, extrachromosomal DNA molecule within a cell that is independent of the chromosomal DNA and can replicate on its own.
The plasmid usually contains extra genes that codes for resistance and other specific traits.
Therefore, it can be said that in a bacteria that possesses antibiotic resistance and the potential to persist through very adverse conditions, the DNA should be located in the plasmid.
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Fitness is how many offspring they have. The example used in the video
is white frogs are more fit than dark frogs.
A. True
B. False
Fitness is how many kids they have. The example used in the video is white frogs are fitter than dark frogs. it's false.
White frogs are fitter than dark frogsThe color of the shoe is not a predisposing factor in altering the speed exerted by its user, however factors in a shoe that can change the speed of the runner are damping, comfort and springs.
With this information, we can conclude that Fitness is how many kids they have. The example used in the video is white frogs are fitter than dark frogs. it's false.
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Multiple meanings the word matrix can be used to describe things shaped in a pattern of lines and spaces. How does this relate to a mitochondrion?
The mitochondrial matrix is the fluid inside the mitochondria. It is required during cellular respiration.
What are mitochondria?Mitochondria are eukaryotic organelles that can be considered the energy factories of this type of cell.
Mitochondria are able to synthesize ATP (the energy coin of the cell) by a process called cellular respiration.
The mitochondrial matrix is a fluid inside the mitochondria which is required to create a proton gradient during cellular respiration.
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The term matrix in relation to a mitochondrion states that a fluid or jelly-like substance which is present inside the mitochondria and plays a vital role during cellular respiration.
What do you mean by Mitochondria?Mitochondria may be defined as a double membrane-bound cell organelle that is known as the powerhouse of the cell. This is because the energy required for various activities is released by mitochondria in the form of ATP.
The matrix of the mitochondria consists of small-sized ribosomes and DNA, which possess genetic information.
The mitochondrial matrix is the site of metabolic activities like the TCA cycle which is responsible for the conversion of pyruvate and fatty acids to acetyl-CoA.
Therefore, the term matrix in relation to a mitochondrion states that a fluid or jelly-like substance which is present inside the mitochondria and plays a vital role during cellular respiration.
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which are false ;-;
Answer:
an organisms phenotype is only made up of genes, the last bottom one
Explanation:
What type of cell does not have membrane-bound organelles?
Options:-
Prokaryotic
Eukaryotic
Somatic
Plant
Answer:
Prokaryotic cells
Explanation:
Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm.
Answer:
a) Prokaryotic
Explanation:
Prokaryotic cells do not have any membrane-bound organelles. Hence, option (a) is the correct answer.
Can a cell be an organism on its own
nah cant
Explanation:
cuz and organisms definition is:
an individual animal, plant, or single-celled life form.
SINGLE-celled life form meaning all the cells are the same
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Explain how most of the electricity consumed in the US is produced.
Will report answers with links
Please use your own words
Answer:
Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy, etc.
Explanation:
Choose all characteristics of prostaglandins.
a) They are usually present in large amounts.
b) They are not stored in cells and are synthesized just before they are released.
c) They are rapidly inactivated after their release.
d) They travel in the bloodstream to their target cells.
e) They are paracrine substances.
Prostaglandins are not stored in cells and are synthesized just before they are released, rapidly inactivated after their release and they are paracrine substances (Options b, c and e).
Whta are prostaglandins?Prostaglandins are chemical substances that act as hormones by affecting surrounding cells in a tissue.
These substances (prostaglandins) are not secreted by specific glandular organs as other hormones.
Prostaglandins are substances that have fundamental functions for the normal functioning of the body.
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What is a chromosome like in a city?
Which best describes how human circulatory and respiratory systems interact
Answer:
When a person inhales, the lungs expand and fill with fresh air. The respiratory system interacts with the circulatory system to transfer oxygen from fresh air to red blood cells in the lung arteries while also releasing carbon dioxide from the blood into the air in the lungs. When a person exhales, this used air leaves the body.
Explanation:
Hwo many chromatids does each chromosome have in anaphase of meiosis i
Answer:
two sister chromatids
Explanation:
There are two sister chromatids that each chromosome have in the Anaphase of meiosis I.
What do you mean by Chromatids?Chromatids may be defined as one of the two similar halves of a chromosome that has been duplicated in preparation for cell division.
During Meiosis I, each of the daughter cells is haploid (n) in nature and consists of 23 chromosomes. Each chromosome comprises of 2 sister chromatids.
Therefore, there are two sister chromatids that each chromosome have in the Anaphase of meiosis I.
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The presence of calcium in the sarcoplasm is directly responsible for __________. Multiple choice 1 decreasing the length of the myosin myofilament energizing the myosin heads degrading the actin binding sites on the myosin the movement of actin towards the M line exposing the binding sites on actin 2. Rigor mortis occurs after death because __________. Multiple choice 2 actin binding sites become permanently blocked so that crossbridge formation cannot occur no calcium is present to bind to the regulatory protein tropomyosin detachment of crossbridges does not occur due to the lack of ATP the power stroke becomes stronger after death the muscle fibers release sodium into the extracellular fluid
This is defined as the the cytoplasm of striated muscle cells in living organisms .When calcium is present, the binding sites on actin are exposed.
Rigor mortis occurs after death and involves stiffening of the muscle tissue because detachment of cross bridges does not occur due to the lack of ATP.
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The cell membrane is selectively permeable, which means __________.
Answer:
Water can pass through it
Explanation:
There is no explaination. thats the answer
33. Why is it beneficial that plants have two kinds of chlorophyll (a and b)?
Answer:
chlorophyll in plants complement each other in absorbing sunlight.
Explanation:
light with a wavelength of 460 nm isn't always substantially absorbed by means of chlorophyll a, but will as a substitute be captured through chlorophyll b, which absorbs strongly at that wavelength. the two forms of chlorophyll in flowers
It is beneficial to have two kinds of chlorophyll in photosynthetic plants because both types of chlorophyll work complementary to each other and allow maximum absorption of light in the blue to red spectrum.
What do you mean by Chlorophyll?Chlorophyll may be defined as the green-colored pigment in plants, algae, and cyanobacteria that is essential for photosynthesis.
Chlorophyll A absorbs the light of wavelength 400 to 450nm with maximum intensity and 650 to 700nm with minimum intensity.
Chlorophyll B absorbs the light of wavelength 450 to 500nm with maximum intensity and 600 to 650nm with minimum intensity.
Therefore, it is beneficial to have two kinds of chlorophyll in photosynthetic plants because both types of chlorophyll work complementary to each other and allow maximum absorption of light in the blue to red spectrum.
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How is the phosphorus cycle different from the oxygen, nitrogen, and carbon cycles?
a.
It occurs at the fastest rate.
b.
It is not essential to life.
c.
It does not occur naturally.
d.
It does not involve the atmosphere.
Answer:
The cycle only involves the lithosphere, hydrosphere, and biosphere, with no role in the atmosphere. The reason the atmosphere is not involved in that at the natural temperature and pressure of the environment, phosphorus and its compounds are usually in solid or ionic (usually phosphate ion) form. It is also a very slow nutrient cycle, with a major source of the nutrient being determined by tectonic activity that upwells the nutrients from deep in their earth’s core through volcanic activity.
Explanation:
The bulk of each tooth consists of a mineralized matrix similar to that of bone called:.
What causes movement of water through xylem
please answer this correctly I will brainlist u
as a student , what can you do to protect the soil and water from being polluted ?
is this correct ? T-T
Answer:
Not exactly. Here are my corrections:
Somatic cells undergo mitosisGerm cells undergo meiosisExplanation:
The rest of the table is correct! Great job
What observations made by Galileo supported Copernicus’ theory about the solar system?
He observed the phases of Venus
Galileo knew about and had accepted Copernicus's heliocentric (Sun-centered) theory. It was Galileo's observations of Venus that proved the theory. Using his telescope, Galileo found that Venus went through phases, just like our Moon.
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define biomagnification
[tex]\qquad\qquad\huge\underline{{\sf Answer☂}}[/tex]
Increase of toxic materials in organisms from lower tropical level to higher tropical level in a food web is known as Biomagnification.