Answers
A gene is a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
Related Questions
Which of the following shows a correct base pairing in DNA?
A and G
T and G
C and A
Gand C
Answers
Answer: G and C
Explanation: DNA carries the hereditary information for organisms. W ithout DNA, our species would be unable to pass traits from generation to generation. DNA controls all aspects of an organism. It tells spiders how to spin webs, birds to lay eggs, and what color to make your eyes. The genetic information in DNA is stored as special chemical sequences, called chemical bases. The chemicals bases are adenine (A), guanine (G), cytosine (C), and thymine (T). Each base connects with another to form base pairs. Adenine always pairs up with thymine. Cytosine always pairs up with guanine
Plz help I don’t know the answer to this!!
Answers
Fragmentation occurs when a large area of ecosystem is divided into smaller, isolated areas due to deforestation. After fragmentation, changes to the ecosystem can occur. Which is most likely an effect of fragmentation on an ecosystem?
a. Animal species in the fragmented area utilize new food sources in the deforested area.
b. Plant species from the deforested area alter conditions at the edge of the fragmented area.
c. The nutrient cycle is replenished by new species colonizing the deforested area.
d. Most native species disappear from both deforested and fragmented areas.
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Answer:B
Explanation:
Evidence that an organisms growth is influenced by the organisms environment
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Answer:
local environmental conditions could include availability of food, light, space, and water
Explanation:
Examples of genetic factors could include large breed cattle and species of grass affecting growth of organisms.
How might the digestive system and the immune system interact to help protect the body?
Please i need a correct and accurate answer. ++ giving brainliest
Answers
Answer:
Explanation:
The immune system is there to develop a strong answer for infections and diseases that can occur in the body. The system is comprised also of gastrointestinal immune cells. These cells secrete lymphocytes that are there to attack whatever is attacking our body. The gut immune cells and the microflora located inside it are responsible for preventing the growth of other microbes that are bad for us in the gut and to fight ingested pathogens that we can get on our food.
Match the columns and chose the correct option. Column A Column B 1.The male reproductive part of a flower i) sepal 2. The female reproductive part of a flower ii) stamen 3. The part of the flower which protects it in bud stage iii) ovules 4. Part of a flower which develops into a seed iv) carpel
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Explanation:
1.Stamen
2.carpel
3.sepal
4.ovules
if I ride my bike to school instead of walking, then I will get there faster what is the dependent variable
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Answer:
you will get there faster.
Explanation:
this is all related to your rate of speed the faster you pedal the faster you reach school if you walk faster than ride it'll be the other way around.
Which element is not found on most main sequence stars?
Answers
Answer:
Nitrogen is the right answer.
Which process is similar to binary fission?
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Answer: mitosis
Explanation: Binary fission is similar to mitosis in the way that the process ultimately leads to the production of two identical daughter cells. However, they differ in many aspects. While binary fission is for reproductive purposes mitosis is primarily for growth in multicellular organisms.
how do skin cells replace itself after an injury?
a) skin cells go through the process of budding to make new identical cells.
b) skin cells go through the procces of mitosis to make new identical cells.
c) skin cells go through the process og photosynthesis to make new identical cells.
d) skin cells go through the process of cellular respiration to make new identical cells.
Answers
Answer:
d
Explanation:
as a result of accumulation of waste products in the body , these substances are removed from the body via the skin hence they undergo cellular respiration
Answer:
b) skin cells go through the process of mitosis to make new identical cells.
Explanation:
The skin is the largest organ in the human body; it forms a protective barrier that keeps out external pathogens, and is integral to waste removal. When the organ is injured, damaged cells initiate an immune response, while healthy cells nearby begin to replicate.
This type of cell replication involves somatic cells and results in the diploid number of chromosomes called mitosis. Skin cells are somatic- they contain all 24 pairs of human chromosomes. During replication, the chromosomes are unwound, and copied- then, the newly copied chromosomes separate into two identical daughter cells with the same chromosome number.
What is the process depicted in this figure and why is it important?
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Answer:
The correct answer is - antigenic shift due to mutation.
Explanation:
In this image, there is a representation of the antigenic shift or change takes place to evolve to a new strain of influenza virus from the original virus that has a different antigen on the surface of the virus than the new strain. In this image it is shown that the surface H antigens went through a shift to form a new strain while N antigen remain the same.
This is important to adapt and evolve according the internal environment of the host show this type of mutation requires if moving from one host to another (human to pigs).
what do you think about the human and his structure how it's made all the human structure
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Answer:
its a thousand of generation evolution i think as of darwins law of evolution
Answer:
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Pls state lamarck's theory
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Answer:
Lamarckism, a theory of evolution based on the principle that physical changes in organisms during their lifetime—such as greater development of an organ or a part through increased use—could be transmitted to their offspring
These types of trees have their leaves modified into needles to help
reduce water loss?
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Answer:
Coniferous trees
Explanation:
They are mainly found in cold regions
Can someone pls help me with this (8th grade science)
Answers
Answer:
A
Explanation:
As he kicks the ball the speed increases, where he kicks the ball also is a factor, since he kicks it in the same direction that is why it is choice A.
Some scientists predict that if global warming continues over the next few centuries, melting of the polar caps will raise the level of the oceans, causing some peninsulas to become islands. How might this change eventually affect the species that live on these peninsulas
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When you mix salt with water in a beaker, the salt is no longer visible. What
happens to the salt?
A. The salt changes state from a liquid to a gas.
B. The salt reacts with the water to make a new substance.
C. The salt dissolves in the water.
D. The salt is destroyed by the water.
please help, i’ll mark brainliest if you get it right! please please only answer if you know the answer though, don’t guess i’m taking a test and i can’t fail as it’s the last one before the quarter ends ( tomorrow ) id appreciate it!! thank youuu
Answers
Answer:
C. The salt is dissolved by the water
Explanation:
When ionic compounds dissolve in water, the individual ions separate and get surrounded by water molecules—a process called solvation. Because the salt ions are charged, they dissolve much better in a polar solvent, which is also slightly more charged than a nonpolar solvent
Hope this helped, Have a Great Day!!
In dogs, orange fur in dominant over brown fur
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Answer: If this is a true or false question its FALSE because orange fur is the recessive gene and brown fur is dominant
Explanation:
I don't know if this is a question but thats cool! If there is a question I can try and answer it!
1. Explain the change in erythrocyte count in the case of anemia
2. Where are red blood cells produced?
3. What type of cells help blood to clot?
4. What makes the human circulatory system efficiently carry oxygen to the tissues?
5. Describe the role of blood plasma.
6. Explain the role of lymph in our body
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2. RBC’s (red blood cells) are produced in the bone marrow
3. Platelets help with clotting as well as clotting proteins produced in the liver
4. The human circulatory system is designed specifically to transport oxygen as well as nutrients to all parts of the body through blood vessels. Humans in the womb have blood vessels and a beating heart developed by the 1-2 months in the womb, and the heart immediately begins work. The human circulatory system is efficient because we were created with a system to be as efficient as possible. The circulatory system is basically a highway made of tunnels that allows RBC’s and WBC’s to pass through to every part of the body including major organs. Unfortunately unhealthy eating habits and poor exercise cause this circulatory system to become less and less effective till the point of heart attack, stroke, or major cardiovascular disease.
5. Blood plasma is very important in the transfer of nutrients as well as hormones to the major organs of the body.
6. Lymph is a clear watery substance that carries proteins and other substances throughout the body in order to maintain fluid balance. Lymph is part of the lymphatic system which is a tiny constituent of the immune system.
Which statement correctly describes the reason for the high specific heat of water?
A.) Water has unusually strong hydrogen bonding. These bonds require extra energy to break. Therefore, water has a high specific heat.
B.) The oxygen and hydrogen atoms in water molecules are bonded together with strong covalent bonds. The bonds require extra energy to break. Therefore, water has a high specific heat.
C.) Water is made of ions. The attraction between ions requires extra energy to break. Therefore, water has a high specific heat.
D.) The oxygen and hydrogen atoms in water molecules are bonded together with strong ionic bonds. The bonds require extra energy to break. Therefore, water has a high specific heat.
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The answer is A.) Water has unusually strong hydrogen bonding. These bonds require extra energy to break. Therefore, water has a high specific heat.
When we breathe, we inhale oxygen and release carbon dioxide. What cell process does our body use the oxygen for?
A. Photosynthesis
B. Cellular respiration
C. Osmosis
Answers
Answer:
Cellular respiration
Explanation:
This is because if you see Photosynthesis is used for plants to get a food source from the Sun. Osmosis is the movement of chemicals from a less converted membrane to a more. I think i said that wrong but. I am sure it is cellular respiration which is the despirsion of waste products. So yeah Answer is Cellular respiration
What is the source of oxygen as a reactant in cellular respiration?
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Answer:
The Reactants
What goes into the cell? Oxygen and glucose are both reactants of cellular respiration. Oxygen enters the body when an organism breathes. Glucose enters the body when an organism eats.
Explanation:
Hope this helped, Thanks :)
Cellular respiration has been the chemical process that uses glucose to produce energy. Oxygen is the reactant of the process that comes from the air (breathing) produced by photosynthesis.
What is cellular respiration?Cellular respiration has been defined as the process vital for living organisms that use oxygen and sugar molecules to produce energy to drive the activities and functions of the body. The reactant of the process includes glucose and oxygen gas.
Oxygen and sugar are known to be the product of the photosynthetic reaction that uses carbon dioxide and water. The oxygen gas is present in the atmosphere and enters the body through breathing.
Therefore, oxygen acts as a reactant in cellular respiration that comes from the breathing process.
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There are 150 Saguaro cactus plants per square kilometer in a 10-square-kilometer area of Arizona desert. To which population characteristic does this information refer
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Answer: Population Density.
Explanation:
Population density, this is known as the number of people per unit of area, it is usually denoted with per square kilometre or square mile, population density can be calculated for a county, city, or plants as in this question.
Which tells us the population density of saguaro cactus plant to be 150 per square kilometres.
Compare and contrast the TWO classes of "seeded "plants.
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Answer:
The seed plants are often divided arbitrarily into two groups: the gymnosperms and the angiosperms. The basis for this distinction is that angiosperms produce flowers, while the gymnosperms do not.
Explanation:
The seed plants are often divided arbitrarily into two groups: the gymnosperms and the angiosperms. The basis for this distinction is that angiosperms produce flowers, while the gymnosperms do not. This is poor form, since it defines the gymnosperms by the absence of a character, and not by any features that the organisms actually share. The gymnosperms do share a number of features, but, as should be obvious from the above cladogram, they are not more closely related to each other than to the angiosperms (Anthophyta). The features shared by gymnosperms were likely present in the early ancestors of the flowering plants as well. It should also be noted that the "progymnosperms" are represented by a box of a different color, in order to make it clear that they are not actually seed plants, but rather are included here because they are believed to be the closest relatives of the seed plants.
Systematics within the seed plants is poorly understood. Part of the problem is that most of the major groups have gone extinct, and several of the groups alive today consist primarily of plants with highly derived morphologies. The above cladogram is based largely on the work of Jim Doyle, a professor at UC Davis, and Michael Donoghue, currently at Harvard, and is therefore somewhat preliminary. It includes some questionable groupings not explicitly supported in their papers.
Structure and Properties of Matter:Question 9
In which two states of matter can a substance take the shape of its
container?
Select one:
O
Liquid and gas
O
Gas and crystal
O
Sod and gas
O
Solid and liquid
Answers
Answer:
Liquid and gas
Explanation:
Liquid and gases can take the shape of their contains.
Liquids have not fixed shape and they readily flow.
Gases are random and they occupy the contains they fill .
Volume is the amount of space occupied by a substance. Gases can take up any amount of space in a container. Liquids can readily flow and take up spaces too. Solids are fixed and have a definite volume.What effect does increased carbon dioxide
have on global temperatures? (two complete
sentences minimum)
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Answer:
Carbon dioxide increases temperatures, extending the growing season and increasing humidity. Both factors have led to some additional plant growth. However, warmer temperatures also stress plants. With a longer, warmer growing season, plants need more water to survive.
Explanation:
4.
______ describes the average conditions of our atmosphere over a long period
of time.
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Answer:
The answer is Climate.
Explanation: weather is what conditions of the atmosphere are over a short period of time, and CLIMATE is how the atmosphere “behaves” over relatively long periods of time.
5. Describe the different causes of climate change.
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Answer:
natural factors, changes in the sun, emissions from volcanoes, variations in Earth's orbit and levels of carbon dioxide.
Explanation:
Why is soil important and how do we protect it
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Answer:
Soil provides plants with foothold for their roots and holds the necessary nutrients for plants to grow; it filters the rainwater and regulates the discharge of excess rainwater, preventing flooding; it is capable of storing large amounts of organic carbon; it buffers against pollutants, thus protecting groundwater ...
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Stand and let your hands hang next to your sides for a few minutes. Then, look at the backs of your hands. Do you see any bumps on the surface on top of your veins? What might those be, and what are their function?
Answers
When you stand and let your hands hang next to your sides for a few minutes, the bumps you see on your veins are the valves that help move blood to the larger veins.
What we know about vein valves.There are valves located throughout the veins in our bodies. Most of these are located in points where smaller venules fuse with the larger veins.
Their function is to prevent blood from flowing back into the smaller veins, thus helping with the normal blood flow of the body.
Given that the veins in our bodies are littered with small valves to help the blood return to the heart correctly, we can confirm that these are the small bumps that we can see when letting our hands down for a few mins, as they fill with the blood they try not to let flow back into the smaller veins.
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