Answer:
Asteroids or planetoids are small solids in planetary systems. They usually orbit the parent star in their own orbit or as natural satellites (moons) of larger planets.
A comet is a celestial body that is in an elliptical orbit around the Sun. They come from the farthest and coldest areas of the solar system.
Explanation:
The moon is the only natural satellite of the Earth and at the same time the closest celestial body.
It is the brightest celestial body in the night sky, not because it consists of incandescent gases like the sun, but because it reflects sunlight.
A planet is a celestial body that moves directly in an elliptical orbit around a star, not like a natural satellite, which orbits a star while circling around another body.
HELP ASAP ! QUESTION IS IN PICTURE !
Answer:
first and third one
Explanation:
animals need the oxygen they make. and animals eat the plants. if an animal doesnt eat plants it eats somthing that does. sorry for the typos.
In silkworms,yellow cocoon (B) is dominat over white cocoon(b). If the mom is BB and the dad is bb, what are the chances they have offspring with yellow cocoons?
Answer:
100 %
Explanation:
Dominance is a genetic phenomenon where a gene variant or allele masks the effects of another allele (of the same gene) in heterozygous individuals. This last gene variant is referred to as the recessive allele. In this case, the silkworm mother can produce only one type of gamete carrying the dominant gene (B) form, while the silkworm father can produce only one type of gamete carrying the recessive gene (b) form. In consequence, from this cross, all offspring (100 %) will be heterozygous (Bb) and therefore they will express the dominant trait (i.e., yellow cocoon).
help me with his please
Answer:
the second choice is correct
5 Which answer best describes how
the particles that make up a liquid
move?
A vibrate in place
B tightly packed
C flow past each other
D move freely in all directions
Cancer is the result of an improperly regulated cell cycle. Describe two reasons why cells can form tumors
Answer:
•Continuous cell division
•Too little cell division
Explanation:
Factors that affects cell division includes
•Nutrients
•Genetics
•Chemical and toxics
•Stress
Answer:
-Continuous cell division-Too little cell division-Too little DeathExplanation:
Factors that affects cell division includes
-Nutrients
-Genetics.
-Chemical and toxics,
-Stress.
"Image result for why cells can form tumors
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."
which of the following latin american authors is known starting a popular literary style known as magic realism?
Answer:
The answer above is false the correct option is Isabel Allende.
Explanation:
I did the quiz and it was correct.
what are the 10 branches of biology?
Answer:
Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology.
What cannot form when two plates collide?
Volcanoes
⊝
Deep Sea Trenches
⊝
Mountain Ranges
⊝
Rift Valleys
Answer: Rift Valleys
Explanation:
A rift valley is a linear shaped lowland between several highlands or mountain ranges created by the action of a geologic rift or fault. A rift valley is formed on a divergent plate boundary, a crustal extension or spreading apart of the surface, which is subsequently further deepened by the forces of erosion.
Which of the following is NOT a structure that is similar in the embryological development of humans, fish, lizards, and birds
Gills
Tail
Spinal cords
Feathers
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Paragraph 5 looks at the types of fuels organisms need.Which of the Following statements is true?
1)Humans need a lot of fat molecules to avoid hunger
2)humans need proteins, fatty acids, vitamins & minerals
3)Humans need a constant supply of red meat
4)Humans need to take Vitamin B supplements
Please help & thank You
Answer:
2
Explanation:
Humans need proteins, fatty acids, vitamins, and minerals
explain all the fundamentals of sex
A scientist is studying a species of mouse living in a field. She observes that the mouse nests are mostly made from cogongrass, a type of grass that is common in the field. After doing some research, she creates the hypothesis that the mice make their nests out of materials that are easy to find.
What would be the scientist's next step in gaining knowledge about how the mice choose their nesting materials?
A.
coming up with more questions about the mice
B.
creating other possible hypotheses about the nests
C.
performing an experiment to test her hypothesis
D.
publishing her hypothesis in a scientific journal
Answer:
B
Explanation:
Creating other possible hypotheses about the nests.
What is Nesting material?
Everything birds may use to build a nest is referred to as "nesting material."
All birds require suitable materials for their nests, regardless of whether they build a straightforward depression out of wood and straw or a more complex nest structure with complicated construction.
Depending on the size of the nest, where it is built, and how it will be utilized in terms of the number of eggs, several broods, and yearly reuse, different birds will use different materials to build their nests.
Several birds gravitate toward fluffy material, such as seeds with silky attachments designed to blow them on the wind or seed pods with a soft, hair-like covering.
Therefore, Creating other possible hypotheses about the nests.
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Polygenic traits are when one phenotype (trait) is controlled by several different genes. The provided example shows human skin color being controlled by 3 different genes. Describe one other trait (don't use skin color!) in any animal that you think could be a Polygenic trait, and explain why you think that it is (HINT: I did mention an example in class yesterday... lets SEE if you remember!).
PLEASE HELP ME! 5TH GRADE SCIENCE!
Wilbur made a prediction that changing the force applied to a race car would affect the distance it travels. Is Wilbur's prediction correct?
A. No, a weak or a strong force applied to the car does not affect motion.
B. No, the force applied to the car needs to be a strong force and cannot change.
C. Yes, the force applied to the car affects the motion.
D. Yes, the car will travel a longer distance when a weak force is applied.
Answer:
C. Yes, the force applied to the car affects the motion.
Explanation:
PLEASE HELP ME
Do you think it’s possible to capture energy from photosynthesis for human use? please explain
Answer:
No
Explanation:
I do not think it is possible because plants do photo synthesis in a organelle called chloroplast which humans do not have.
PLEASE HELP IM TIMED Which of the following statements best summarizes the processes of transcription and translation resulting in the expression of a particular gene?
The genetic information carried by DNA is transcribed into a code that is carried by RNA, which is translated into a specific protein that determines a phenotype.
The genetic information carried by DNA is translated into a code that is copied by RNA and transcribed into a protein chain that results in a specific phenotype.
The genetic information carried by RNA is transcribed into a code that is carried by DNA and translated into a protein chain that results in a specific phenotype.
The genetic information carried by RNA is translated into a code that is copied by DNA and transcribed into a protein chain that results in a specific phenotype.
The genetic information carried by DNA is transcribed into a code that is carried by RNA, which is translated into a specific protein that determines a phenotype. Thus option A is correct.
What are the difference between eukaryotic transcription and translation?The central dogma of life consist of replication, transcription, translation and reverse transcription.
The process in which RNA are formed from DNA is called as Transcription where as the process in which Protein synthesis occur from RNA is called as translation.
Transcription occurs in the nucleus where as Translation occurs in the cytoplasm.
In Initiation phase of transcription RNA dependent polymerase bind to DNA promoters.
The initiation phase of translation involves association of ribosome subunits, tRNA, and initiation factor to mRNA.
Termination step of of transcription includes the release of RNA transcript or mRNA
In translation the ribosome meets stop codons which leads to the dissociation of the ribosome from polypeptide chain. Thus option A is correct.
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X-rays carry a small risk of damaging DNA which can lead to cancer. Why are they still used by doctors?
Answer:
Despite the risk of DNA damage and cancer production, X-rays are still used by doctors because the benefit of this diagnostic study outweighs the risk, which in most cases is very low.
Explanation:
Diagnostic radiology studies, such as X-rays and CT scans, are procedures that use ionizing radiation to obtain images of the inside of the body. Prolonged or constant exposure to this type of radiation is harmful because there is a risk of producing damage to DNA and can lead to the development of cancer.
However, the use of X-rays and CT scans are non-invasive diagnostic methods whose information provides an accurate diagnosis of a disease and, when well used, has a very low risk of organ damage.
Ionizing radiation is measured in milisieverts (mSv) and exposure from radiologic studies is in the range of 0.1 to 10 mSv per study. The amount of ionizing radiation a person is expected to receive per year from exposure to their environment is in the order of 3 to 5 mSv per year, so diagnostic imaging studies involve a low risk of organ damage.
Doctors continue to use X-rays as a diagnostic study, despite the risk of cancer and DNA damage, because the benefit —accessible, noninvasive, and cost-effective— far outweighs the risk.
The Lubber grasshopper is a very large grasshopper, and is black in color with stripes. The color of the stripes exhibit incomplete dominance. Red stripes or yellow stripes may be expressed; however, when alleles are mixed, orange stripes are expressed. What will be the genotypic and phenotypic ratios be for the offspring of two parents that both have orange stripes.
Genotype: ______________________________
Phenotype: _____________________________
Explanation:
Let R be the allele for red stripes.
Let r be the allele for yellow stripes.
Parental phenotypes:
Orange stripes * Orange stripes
Parental genotypes:
Rr * Rr
Gametes:
(R)(r) * (R)(r)
Using a Punnett's Square, we get
F1 generation genotypes:
RR : Rr : rr = 1 : 2 : 1
F1 generation phenotypes:
Red : Orange : Yellow = 1 : 2 : 1.
Do Chloroplasts?
A. Chemically change energy from the sun, carbon dioxide, and water into sugar and oxygen. This chemical change is called photosynthesis.
B. Store water, nutrients, or waste products in the process of photosynthesis
C. Surround and protects the cell during photosynthesis
Answer:
A
Explanation:
Which of the following is NOT a type of single gene genetic disorders?
Common medical problems such as heart disease, type 2 diabetes, and obesity do not have a single genetic cause—they are likely associated with the effects of multiple genes (polygenic) in combination with lifestyle and environmental factors.
A pink snapdragon is crossed to a white snapdragon. What is the probability of getting a red snap dragon
Answer:
0%
Explanation:
Hope this helped! ^^
Put the following in order, from smallest to largest.
Virus, human skin cell (eukaryotic), yeast, bacteria.
human skin cell, bacteria, virus, yeast
Explanation:
Which best describes the pathway of energy in a food web
Answer:
Food web is an important conceptual tool for illustrating the feeding relationships among species within a community, revealing species interactions and community structure,and understanding the dynamics of energy transfer in an ecosystem.
Identify the factors that have an effect on temperature and precipitation by sorting the words and phrases into the
correct categories.
mountain ranges
Temperature
Precipitation
seasonal winds
prevailing winds
altitude
latitude
ocean currents
Answer: Temperature: Latitude, Ocean Currents, Altitude
Precipitation: Mountain Ranges, Prevailing Winds, Seasonal Winds
Explanation: I just did it
One biotic factor of a freshwater pond would include the
A) temperature of the water
B) algae growing in the water
C) mud on the bottom of the pond
D) amount of light penetrating the water
(First person who answer’s gets brainly plz answer quickly, and no trolling.)
Answer:
B. algae
Explanation:
biotic factor means something alive is in the factor. all the others are abiotic factors
The biotic factor is a living factor providing a source for ecosystem development, hence option b algae in the water are the correct option.
What is a biotic factor of a freshwater pond?A biotic factor is a live entity that influences its surroundings. Aquatic plants, fish, amphibians, and algae are all examples of freshwater ecosystems.
A biotic factor is a live entity that influences its surroundings. Aquatic plants, fish, amphibians, and algae are all examples of freshwater ecosystems.
Turbulence, temperature, water clarity, habitat size, and water depth all influence the structure and function of ponds and lakes. Temperature interacts to affect lake stratification and water circulation.
Therefore algae that balance the aquatic ecosystem is a major abiotic factor, hence option b in water-growing algae is correct.
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Can you help? Please :)
Answer:
Number 2
Explanation:
It only makes since because of the energy that was provided
Help me? This is so hard
Answer:
its c
Explanation:
component of the cell membrane is a Lipid for sure and thats the only answer choice with lipid
Answer:
i belive its C
Explanation:
The others dont make sense to me to fit the answer :)
In an experiment, there are two groups. Which group is not changed in any way?
Answer:
the control
Explanation:
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what eats sunbeam snakes?
Sunbeam snakes kill prey by squeezing (constricting) it like a python. Natural Enemies: King cobras and kraits would probably eat these snakes, though I don’t have evidence that they do. Defensive Behavior: Curl tail.
eagle I think maybe .......
Our Sun has a surface temperature of about 9000 degrees Celsius, and is G2 Star.
Answer:
Sun is classified as a G2 V star, with G2 standing for the second hottest stars of the yellow G class of surface temperature about 5,800 kelvins (K) and the V representing a main sequence, or dwarf, star, the typical star for this temperature class.
Answer:
According to NASA, the sun's temperature ranges from roughly 27 million degrees Fahrenheit (15 million degrees Celsius) in its core to just around 10,000 degrees Fahrenheit (5,500 degrees Celsius) at its surface.
The Sun is classed as a G2 V star, with G2 denoting the second hottest stars in the yellow G class—surface temperatures of roughly 5,800 kelvins (K)—and the V denoting a main sequence, or dwarf, star, which is the most common star in this temperature range.