Help me please omggggg ahhhhhh
Answer:
a
Explanation:
Answer:
Your answer should be B :) because the cat inherited his spots
Sorry of I am wrong!
Which of the following characteristics is shared by all chemical reactions?
Produce a precipitate
Show a color change
Release heat energy
Form new substances
Answer:
Release heat energy
Show a color change
Form new substances
Explanation:
good luck
List the renewable and non-renewable resources and their effect on the Biosphere.
Answer:
Nonrenewable energy resources, like coal, nuclear, oil, and natural gas, are available in limited supplies. ... Renewable resources are replenished naturally and over relatively short periods of time. The five major renewable energy resources are solar, wind, water (hydro), biomass, and geothermal.
List the four (4) main types of tissues and state the function of each type.
Answer:
4 basic types of tissue: connective tissue, epithelial tissue, muscle tissue, and nervous tissue. Connective tissue supports other tissues and binds them together (bone, blood, and lymph tissues). Epithelial tissue provides a covering (skin, the linings of the various passages inside the body).
Explanation:
hope this helps you
Answer:
the top person is right so yea
PLEASE HELP QUICK!!!
If R = red-eyed and r = white-eyed, what would be the result of a cross between a white-eyed female (Xr Xr) and a red-eyed male (XRY)?
Hint: Draw a Punnet square.
A. 100% red-eyed females
B. 100% white-eyed males
C. both a and b are correct
Answer:
c. Both A and B are correct
Explanation:
Punnett squares are in the image
Somebody can help me
Answer:
I believe nRNA
Explanation:
every other rna on the list exists excpet for nRNA
Answer:
It is D. nRNA is not a type of RNA
Density is mass divided by volume (d = m+ y). Based on the graph, what happens to a fixed mass of water when it is cooled from 4°C to 0°C?
Density of Water
1000
999.95
999.9
999.85
999.8-
Density (kg/cubic meter)
999.75-
999.7
999.65-
999.6
999.55
999.5-
0
8
10
12
Answer:
for anyone else who needs this the answer is:
A. volume increases and density decreases
Explanation:
I got a 5 on mastery test thanks to some comments on original answer
Based on the graph, the density of water decreases as the temperature decreases from 4°C to 0°C. Therefore, a fixed mass of water will have a higher volume at 0°C than at 4°C.
What is the density-temperature relationship?The density of a substance is defined as its mass per unit volume. In the case of water, the density varies with temperature, as shown in the graph. At 4°C, the density of water is about 1000 kg/[tex]m^3[/tex]. As the water is cooled, its density decreases, reaching a minimum of about 999.87 kg/[tex]m^3[/tex] at 3.98°C (this is the temperature at which water is most dense). As the water is cooled further, the density increases again, but it remains lower than it was at 4°C. The reason for this behavior can be explained by the way water molecules behave as they are cooled. At higher temperatures, the water molecules have more kinetic energy and are more spread out, resulting in a larger volume and lower density.
Hence, the density of water decreases as the temperature decreases from 4°C to 0°C. Therefore, a fixed mass of water will have a higher volume at 0°C than at 4°C.
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The Burning of either wood or fossil fuels will add carbon dioxide to the atmosphere. How is the burning of fossil fuel different?
A. Unlike would fossil fuel require oxygen to burn
B. Unlike word fossil fuel do not require oxygen to burn
C. Unlike would fossil fuel burn without releasing energy
D. Unlike wood fossil fuels contain carbon that has been stored for millions of years
Explain how the following factors caused the finch population to evolve to have a larger beak size: the potential for the finches to reproduce, the existence of genetic variation related to beak size in the population, the competition for limited resources, and the differential reproductive success of the individuals that survive.
Answer:
All the four given factors favored the appearance of trait of larger beak size in the finches population
Explanation:
The following factors led to the evolution of finches with large beak sizes in the following ways -
a) the potential for the finches to reproduce - The finches ability to reproduce helped them acquiring traits that would increase their fitness for survival
b) the existence of genetic variation related to beak size in the population - Gene pool with respect to beak size having genes for large beak size allowed finches to acquire this traits through mating. If there were no genes of large beak size in the gene pool, then this trait would not have appeared ever in the future generation of finches
c) the competition for limited resources - There is a huge possibility that large beaks are useful in acquiring food as compared to other size of beaks and hence, this trait evolved in finches
d) the differential reproductive success of the individuals that survive - Finches with large beak size have better fitness and hence are able to survive and extreme condition. This characteristics of fitness allowed them to evolve
The following recombination frequencies were found between genes A, B, C, D, and E. Determine the order of these genes on the chromosome and sketch a linkage map of this chromosome with the map units labeled.
A, C: 10%
B, C: 4%
C, D: 20%
A, D: 30%
B, D: 16%
A, E: 6%
B, E: 20%
Answer:
6%
Explanation:
Cause its A to E, and the question says determine the order of these genes...
The change in the wind patterns on the Earth that causes an increase in ocean temperature is:
a.
El Niña
c.
La Niña
b.
El Niño
d.
La Niño
eep ofc i don’t know! also why isn’t science a subject i can choose?
Answer:
B
Explanation:
El Niño conditions happen when surface water in the equatorial Pacific becomes warmer than average and east winds blow bleaker than normal.
these occur usually every 3-5 years. it is also referred to as ENSO (El Niño-Southern Oscillation)
the opposite condition is call La Niña.
Psittacines are what type of animal?
Snakes
Turtles
Parrots
Cockatiels
Answer:
Snakes
Explanation:
because they are dangerous
What example best compares to the relationship between genes and chromosomes? PLZ Somebody help
A. A gas tank in a car because it stores energy.
B. Skin on a human because it protects the body.
C. Leaves on a tree because they provide energy.
D. A recipe in a cookbook because it gives directions.
Answer:
b
Explanation:
Answer:
D
Explanation:
I think its d
Does they type of animal (i.e. mammal, reptile, amphibian, bird) determine at which trophic level they exist? Why or why not?
The various species belonging to these groups can belong to various levels of consumers. But, none of them are producers.
What are trophic levels?
Trophic level is a level in an ecosystem's food chain or nutritional chain. Based on their eating habits, organisms in a chain are divided into various stages. The producers, or green plants, are found on the first and lowest level.
The herbivores, or plant eaters, are second-level creatures that eat plants or their products. Primary carnivores, or meat eaters, consume herbivores at the third level, while secondary carnivores consume primary carnivores at the fourth level.
Since many creatures graze on many trophic levels, these classifications are rarely rigidly enforced. For instance, certain omnivores—which are carnivores but sometimes occasionally ingest plant material or animal carcasses—are also herbivores. A further trophic level called the decomposers or transformers is made up of creatures like bacteria and fungi that convert waste products and dead organisms into nutrients that the producers may use.
Therefore, the various species belonging to these groups can belong to various levels of consumers. But, none of them are producers.
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Changing geographic distribution of disease vectors meaning
Answer:
Vector changes with geography.
Explanation:
Vectors of disease are changing with the changing in the geographic location because different vectors survives in different environment so due to change in geography, vectors of a disease also change. Vectors refers to organisms that is responsible for carrying infectious bacteria or viruses that causes certain diseases in animals, plants and humans. Different vectors are present in different geography due to different climatic condition that forbit one vector to survive in all environments.
Please help this is a 7th grade science problem multiple choice
Answer:
Hello There!!
Explanation:
The answer is d.Nucleus.
hope this helps,have a great day!!
~Pinky~
Answer:
The correct answer is 'd'.
Explanation:
DNA is located in nucleus.
Approximately 55%of an adult female body weight is water if a woman body contains 38 kg of water what is the woman's total weight
Answer: 69kg
Explanation:
Let the total weight of the woman be represented by x. Based on the information given, we can derive an equation which will be:
55% of x = 38kg
55/100 × x = 38kg
0.55 × x = 38kg
0.55x = 38kg
Divide through by 0.55
x = 38kg/0.55
x = 69.09099
x = 69kg
Therefore, the woman's total weight is 69kg.
Calculate the number and percentage of eukaryotic species that are still to be formally described?
the number and percentage of eukaryotic species that are still to be formally described is to be beauty
Eukaryotic organisms are species that have defined nucleus and membrane limited organelles. Total 11% or 250,000 are described while 97% or 8490000 are yet to be described.
What is the population of the eukaryotes?Eukaryotes are the largest and the most dominating species that includes kingdom plants, animals, fungi and protists. A total of 8.74 million eukaryote species on Earth are present from which only 250,000 are described.
Eukaryotes are the species that are well-defined organisms that contain the genetic material enclosed within the nuclear membrane and the organelles are also enclosed.
With new discoveries and findings, many new species are described that are grouped into one of the kingdoms based on their properties and features.
Therefore, 8.74 million eukaryote species are present on Earth.
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Your student is trying to create a "Gene X" knockout mouse by introducing a recombinant construct into embryonic stem (ES) cells, selecting transformants, and introducing the transformed cells into mouse blastocysts. He designed his construct as follows: NeoR region of homology to Gene X---HSV tk--- region of homology to Gene X where Neo is the neomycin-resistance gene and HSV tk is the Herpes Simplex virus thymidine kinase gene. He transforms the ES cells and exposes them to G418 and ganciclovir. Explain to your student why he failed to recover transformed ES cells. Choose the two correct statements. a. His construct incorporated into the mouse DNA by illegitimate recombination. These cells would be sensitive to ganciclovir and neomycin, and would die.
b. His construct incorporated into the mouse DNA by illegitimate recombination. These cells would be resistant to ganciclovir, but sensitive to neomycin, and would die.
c. His construct incorporated into the mouse DNA by homologous recombination. These cells would be sensitive to ganciclovir, but resistant to neomycin, and would die.
d. His construct incorporated into the mouse DNA by homologous recombination. These cells would be sensitive to neomycin and ganciclovir, and would die.
e. His construct incorporated into the mouse DNA by homologous recombination. These cells would be sensitive to neomycin, but resistant to ganciclovir, and would die.
f. His construct incorporated into the mouse DNA by illegitimate recombination. These cells would be resistant to neomycin, but sensitive to ganciclovir, and would die.
Which of the following statements is false?
a.
The instructions for making some proteins are not specified by genes.
b.
An organism's genes determine its inherited traits.
c.
Some genes code for enzymes.
d.
An organism's inherited traits depend on proteins.
Answer:
Which of the following statements is false?
a. The instructions for making some proteins are not specified by genes.
True
b. An organism's genes determine its inherited traits.
True
The traits an organism displays are ultimately determined by the genes it inherited from its parents, in other words by its genotype.
c. Some genes code for enzymes.
False
d. An organism's inherited traits depend on proteins.
True
This is what I believe the answer to be. You may want to double-check to see if it is reasonable.
hello help pls
A glass of juice at 20°C was kept in the open. After 30 minutes, the temperature of the juice remained the same. Which statement is correct? The temperature of the surrounding air was greater than 20 °C. The temperature of the surrounding air was less than 20 °C. The temperature of the juice was equal to the temperature of the surrounding air. The temperature of the juice was less than the final temperature of the surrounding air.
Answer:
c
Explanation:
the temperature at that very moment was equally to that of the object placed there
Which statement best describes why accreditation is important?
a. Accreditation allows an individual to take a student loan.
b. Accreditation allows your program to charge more in tuition but gives you the edge in the job market.
c. Accreditation gives the school a better reputation, which is only important if you want a high demand job.
d. Accreditation validates the quality of the program and for some career training programs, may be
important to be considered registry eligible.
Answer: D. Accreditation validates the quality of the program and for some career training programs, may be important to be considered registry eligible.
Explanation:
Accreditation is very important in health science training programs. If the program is not accredited, you may not be able to transfer the credits to a different school and may not be eligible for your licensure or certification exam.
Answer:
Accreditation validates the quality of the program and for some career training programs, may be important to be considered registry eligible.
Explanation:
Person above is correct!
Which of the following best explains the phrase "survival of the fittest" in terms of evolution by natural selection? (1 point)
O Only individuals that have the most mates will survive with limited resources
The individuals that are the healthiest will always get more resources and survive better
O The individuals that survive better and reproduce more often will pass their traits on more often.
The strongest and fastest individuals will always survive and reproduce more often
Answer:
C
Explanation:
This is because the favorable traits will typically be present within the surviving animals leading them to be able to survive long enough and pass down more favorable traits.
Hope this helps!
The sentence that best explains the phrase "survival of the fittest" the individuals that are the healthiest will always get more resources and survive better.
Evolution by Natural selectionThe theory of evolution was proposed by the scientist, Charles Darwin. He proposed that species can change over time, that new species come from pre-existing species, and that all species share a common ancestor.
Natural selection according to Charles Darwin was based on the fact that traits where inheritable. From his experiment, he concluded that:
some individuals will have inherited traits that help them survive and reproduce,organisms with these traits leave more offspring, the traits will tend to become more common in the next generation.These organisms with these helpful traits will become better adapted to it's environment.Therefore, the individuals that are the healthiest will always get more resources and survive better.
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If more snakes moved into this environment, then
A. the number of rabbits would go up.
B.the number of grasshoppers would go up.
C. the number of toads would go up.
D. The number of hawks would go up.
NO LINKS AND DO NOT ASK A QUESTION UNDER MY QUESTION ❗❗❗
Answer:
B. The number of grasshopers would go up.
Explanation:
A. is incorrect because it would decrease
C is incorrect because it would also decrease
D is incorrect because snakes dont eat Hawks, but Hawks eat them
B is correct because since snakes would eat the toads, there would be no toads eating grasshoppers
Hope this helps!!!
Guys helpppppp please and I hope y’all have a great day
Answer:
Ok so
Explanation:
1. DNA
2.A , G , C and T
3.The 3-dimensional double helix structure of DNA, correctly elucidated by James Watson and Francis Crick. Complementary bases are held together as a pair by hydrogen bonds.
4.Chargaff's realization that A = T and C = G, combined with some crucially important X-ray crystallography work by English researchers Rosalind Franklin and Maurice Wilkins, contributed to Watson and Crick's derivation of the three-dimensional, double-helical model for the structure of DNA.
5.Created by Rosalind Franklin using a technique called X-ray crystallography, it revealed the helical shape of the DNA molecule. Watson and Crick realized that DNA was made up of two chains of nucleotide pairs that encode the genetic information for all living things.
6. 1869
7.The double helix of DNA is, like its name implies, in the shape of a helix which is essentially a three dimensional spiral. The double comes from the fact that the helix is made of two long strands of DNA that are intertwined—sort of like a twisted ladder.
8. In DNA, the code letters are A, T, G, and C, which stand for the chemicals adenine, thymine, guanine, and cytosine, respectively. In base pairing, adenine always pairs with thymine, and guanine always pairs with cytosine.
9. A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. ... Every person has two copies of each gene, one inherited from each parent.
10. 20
11. A group of disorders that cause red blood cells to become misshapen and break down.
With sickle cell disease, an inherited group of disorders, red blood cells contort into a sickle shape. The cells die early, leaving a shortage of healthy red blood cells (sickle cell anaemia) and can block blood flow causing pain (sickle cell crisis).
12. Sickle cell anemia is caused by a mutation in the gene that tells your body to make the iron-rich compound that makes blood red and enables red blood cells to carry oxygen from your lungs throughout your body (hemoglobin).
13. The Human Genome Project was an international scientific research project with the goal of determining the base pairs that make up human DNA, and of identifying and mapping all of the genes of the human genome from both a physical and a functional standpoint.
I'm so absolutely sorry if this is long. Good lucj with ur work ;D
Which of the following populations is most likely to be in Hardy-Weinberg equilibrium?
a. bacteria with mutating genomes
b. prairie dogs with established burrows
c. a few starfish in a tidal pool
pleas help me !!!
Which activity would you predict is most likely to have the smallest impact on ecosystem services?
a. building a dam for energy production
b. building new housing in an area far from a city
c. using land to create a national park
d.using more land to grow corn that is used to produce fuel
Answer:
I think it's
c. using land to create a national park
Explain how climate change connects to a common resource?
Explanation:
The evidences of climate change abound. However, its explanation to ordinary farmers for better understanding should involve a historical comparison of the past and present climates in their respective localities especially as it relates to their farming activities. For instance, inception and duration of rainfall in the past and present, the past and present trend in temperatures, in their localities can be used to illustrate evidences.
Climate change has both direct and indirect effects on productivity of agricultural productions which include changing drought, and the geographical redistribution of pests, flooding, rainfall pattern and diseases.
What are the factors affecting the climate?There are several natural or man-made factors that can lead to changes in climatic conditions and hence change the common resources.
The factors that affect climatic conditions are:
Elevation or altitude.Topography.Geography.Global warming, etc.As the climate changes it starts affecting the common resources. It affects agricultural productivity. It can also alter the energy needs and energy generation potential.
Thus, this is the connection between climate change and common resources.
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Which of the following statements about planetary satellites is true?
Answer:
C
Explanation:
Which of these is an example of the conversion of gravitational potential energy into kinetic energy?
Group of answer choices
a wind-up spring making a toy car move across the floor
a person running on a level track
an apple falling from a tree to the ground
a rubber band being stretched to twice its normal length