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What is the definition of Embryology?
A, B, Or C?
A. Similar patterns of embryological development provide further evidence that organisms have descended from a common ancestor
B. All species - living and extinct - are descended from ancient common ancestors
C. At the molecular level, the universal genetic code and homologous molecules provide evidence of common descent
Answer:
A
Explanation:
With Embryology, scientists are trying to see similarities in different organisms' embryo and embryological development to determine if they share a common ancestor. This is a big strategy used by scientists.
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it is the most specific level of classification
Is it possible for scientists to alter the way a rose expresses a gene ? How?
Answer:
Roses have had their genome sequenced by scientists who say it could help to develop genetically improved versions of the popular ornamental flower. Within the 36,377 genes identified, the research team found DNA coding for various desirable characteristics.
Explanation:
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Which is the primary cause of the global wind patterns on
Earth?
A. ice cap melting
B. uneven heating
C. weather changing
D. waves breaking
Mark buys 250 shares of stock in a fund with a net asset value of $25.17 and an offer price of $25.30. Mark wants to sell all of his shares when he can profit $1,000. If Mark sells his shares today, he would have proceeds of $7,300. Determine if Mark should sell his shares today and why.
a.
Mark should not sell his shares because he would have a loss rather than a profit.
b.
Mark should not sell his shares because he would not have as much profit as he’d like.
c.
Mark should sell his shares because he will make the profit he wants to make.
d.
There is not enough information given to know if Mark should sell his shares or not.
Answer:
B is the answer
Explanation:
I just took the test!
The other person is correct! The answer is B: Mark should not sell his shares because he would not have as much profit as he’d like.
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Occasionally, newborn babies are born with a yellowing of the skin. What is this condition called, and
what organ may be underdeveloped in these babies?
a. Cyanosis, the kidneys.
b. Jaundice, the liver.
c. Melanosis, the lungs.
d. Vitiligo, the digestive tract.
Which is NOT a sign of a healthy plant?
Vigorous bright leaves
A sturdy structure
Rootbound roots
Tight buds
Answer:
Tight buds
Explanation:
Showing that its not viable for plants
Question:
Why are viruses considered nonliving but bacteria are considered living? Give two reasons.
Response:
Viruses
[ Select ]
reproduce outside of a host and
[ Select ]
made of cells.
Bacteria
[ Select ]
reproduce on their own and
[ Select ]
made of cells.
So
viruses are not considered as living
Organisms in an ecosystem compete only for food. A. True B. False
Answer:
False
Explanation:
Organisms compete for many things in an ecosystem not just food
If red blood cells are placed in distilled water and examined under a microscope no cells are seen. Explain why no red blood cells would be seen.
Answer:
Explanation:
Distilled water has no contaminants and minerals thus the solute concentration inside the RBC is more than water. Water moves towards high solute concentration, therefore, water will go inside the RBC and burst it. This is why no RBC will be seen. You could see remanants of burst open and defective RBC but healthly RBC wont be there.
Which best describes the arrangement of atoms in a mineral?
A. arranged from most dense to least dense
B. arranged in regular and repeating patterns
C. random
D. weakly bonded
Answer:
A
Explanation:
The Punnett square above shows a cross between an animal that is heterozygous for the dominant trait of having horns and an animal that is homozygous recessive and has no horns. What percentage of the offspring from this cross will have horns?
The percentage of offspring from a cross between an animal that is heterozygous for the dominant trait of having horns and an animal that is homozygous recessive and has no horns is 50%.
What is a punnet square?A punnet square is a graphical representation used to determine the probability of an offspring expressing a particular genotype.
According to this question, an animal that is heterozygous for the dominant trait of having horns (Hh) is crossed with an animal that is homozygous recessive and has no horns (hh).
The offsprings of this cross is as follows:
Hh - hornedHh - hornedhh - hornlesshh - hornlessTherefore, the percentage of offspring from a cross between an animal that is heterozygous for the dominant trait of having horns and an animal that is homozygous recessive and has no horns is 50%.
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What is a genotype?
a) a combination of phenotypes that result in a allele
b) a combination of alleles resulting in a phenotype
c) a combination of gametes that result in a zygote
d) a combination of genes that result in a genotype
Suppose a population of 5000 humans were sent to live on Mars. If the humans on Mars
and the humans on Earth are separated for 500 years, will they start to evolve
dierendy? they come back into contact with each other 1.000 years later, is it
made they could have become different species? Explain (Must be 6+ sentences)
Answer:
Yes, this is plenty of time for the humans in Mars to revolve differently. Due to Mars having different features (plants, air quality, etc) the people on Mars may develop differently to aid them in living on a different planet. They may develop a different variation of lungs to help them breathe better. Another possibility is a development that allows them to store water linger due to possible lack of water. In this span of time, humans on Mars may have begun developing these difference tools. As a result, in many years after the humans on Mars could almost be completely unrecognizable to the humans on Earth.
What is the role of mRNA?
A. carries the transcribed message that is
translated into a protein
B. reproduces DNA in the nucleus
C. is a building block of the cell membrane
Answer:
The answer is A. carries the transcribed message that is
translated into a protein
Explanation:
mRNA is read by a ribosome in the process of synthesizing a proteinwhat is the amazing contouring of earth’s continents?
A contour is an imaginary line that connects points of equal value. The earth continent is amazing.
How many continent is present in the earth?Continent is one of Earth's seven main divisions of land. The continents are, from largest to smallest: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.
The part of the continental interior enclosed by the 40-km contour and regions with crustal thickness of 45 to 50 km are found on all well-surveyed continents. Continental crust with thickness in excess of 50 km is exceedingly rare and accounts for less than 10% of surveyed continental crust.
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I need help with number 1 and 2
Ayo what's the answer for Deforestation is a problem because it decreases biodiversity. Why does this happen?
A.) protection of resources
B.) planting of crops
C.) cooling of climate
D.) destruction of habitats
Answer:
D.
Explanation:
deforestation removes forests, aka destructing habitats for animals
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How does the water chemistry change as carbon dioxide gas is dissolved in the ocean
water?
Answer:
Dissolved carbon dioxide reacts with water and dissociates into bicarbonate ion (HCO3-) and a hydrogen ion (H+)
Explanation:
Dynamite combustion is an example of an exergonic reaction
Answer:
glow stick is an example of an exergonic reaction, which produces visible light. off in a reaction is primarily in the form of heat, the reaction is called an exothermic reaction. and the explosion of dynamite are exothermic reactions. energy to break bonds than is released when new ones are formed
Can I get a retake on Minerals Assignment, Rocks and the Rock Cycle Assignment and i redid Sedimentary Rocks
In the diagram above, one cell creates and releases chemicals that travel to a second cell and
quickly induce that cell into action. This diagram represents part of the -
O muscular system
O skeletal system
O nervous system
O endocrine system
why must scientific names be of latin original or latinised?
Answer:
This is because Latin language is dead and, therefore, it will not change in form or spelling with the passage of time.
Explanation:
How does mining for coal negatively impact the environment?
Answer:
It could require the removal of massive amounts of top soil, leading to erosion, loss of habitat and pollution.
Explanation:
Coal mining causes acid mine drainage, which causes heavy metals to dissolve and seep into ground and surface water.
Can I put which hazel in my ear
Answer:
Use an eyedropper to insert several drops of witch hazel into each ear to dry up pus and break up wax and other ear-clogging debris.
Explanation:
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Rachel Carson's book Silent Spring primarily focuses on the environmental problems associated with ________. Group of answer choices overpopulation aquifer depletion pesticide toxicity loss of biodiversity deforestation
The book Silent Spring primarily focuses on the environmental problems associated with pesticide toxicity.
Who is Rachel Carson?Rachel Carson is the author of the book that lends itsself to environmental concerns called "Silent Springs". This book was a best seller in the 19060s and opened the floor for discussion on environmental issues.
The book Silent Spring primarily focuses on the environmental problems associated with pesticide toxicity.
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From where do chemotrophs get energy? water, light, food, and air
Answer:
hemotrophs are structures that get strength for one burning of energized matter benefactors in their atmosphere.Chemoautotrophs use not organic strength beginnings to combine basic compounds from colorless odorless gas.Chemoheterotrophs are weak to resort to colorless odorless gas to form their own basic compounds.
Explanation:
According to dr. robert fowler, when is it most likely that hughes' fear for his own well-being developed?
Fear for your own well-being has developed, for protection, for fear is a good tool to keep alert.
Can fear be beneficial?Fear often protects us, prevents dangerous situations, can prevent us from doing something thoughtless. For example: the fear of robbery makes a person more alert, more careful and attentive to his path.
With this information, we can conclude that fear for your own well-being has developed, for protection, for fear is a good tool to keep alert.
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Answer:
Howard Hughes suffered from both conditions. In his attempt to elude germs, his life spiraled out of control. He created elaborate rituals to avoid contact with objects and later became a recluse to avoid contact with people for fear of contamination.
Explanation:
I got a 100%
A factor not shown that provides energy for living organisms is
Answer:
The Sun
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Cellular respiration and photosynthesis are similar in that both require a. carbon dioxide molecules b. energy-carrier molecules c. glucose molecules d. oxygen molecules
Cellular respiration and photosynthesis are similar in that both require energy-carrier molecules. The correct option is b.
What are energy-carrier molecules?The energy transport molecule found in cells in the highest concentration is adenosine 5'-triphosphate, or ATP.
Three phosphate groups, an adenine nitrogen base, and a ribose sugar make up this molecule. The compound adenine plus ribose sugar is referred known as adenosine.
During cellular respiration, glucose is produced using NADH and ATP. Both an enzyme and a channel protein, ATP synthase serves two functions.
ATP molecules include the carbon atoms from glucose after the conclusion of cellular respiration.
During the process of photosynthesis, two molecules that carry energy are actually present. NADPH and ATP are the two molecules that carry energy.
Thus, the correct option is B.
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