DNA Fingerprinting allowed multiple people's DNA to be compared to look for similarities and differences in order to solve crimes (Option C).
What is DNA Fingerprinting?DNA Fingerprinting is a molecular biology technique used to compare the genetic material of different samples.
This technique (DNA Fingerprinting) can be used in order to identify a person in a criminal case.
In conclusion, DNA Fingerprinting allowed multiple people's DNA to be compared to look for similarities and differences in order to solve crimes.
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Carbon dioxide enters the plant only through the roots.
A. True
B. False
Answer:
False
Explanation:
CO2 enters a plant through the stomata. Tiny pores on the surface of the leaves
In a population of plants used to large amounts of rain, one plant is specially adapted to survive on small amounts of water. What would happen if there was a season with little rainfall?
A. All of the population would die off and make room for a new species of plants.
B. The population would be unaffected and would survive and reproduce normally.
C. The adapted plant would survive and reproduce, and others would die causing evolution.
The adapted plant would survive and reproduce, and others would die causing evolution. thus option C is correct.
What is evolution?Even though it has resulted in their distinctions, evolution is a biological phenomenon that affects all living things. The fossil record, comparative studies of structure and function, embryological development, and studies of DNA and RNA have all provided evidence to support the hypothesis of evolution.
Plant adapted themselves according to environmental conditions. In water scarcity conditions, plant changes their leaf structures in the thorns to reduce transpiration or stem become storage organ for water.
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For which phenotypes in the table can you determine a person’s genotype without ever having seen his or her parents?
9. What part of the body covers the windpipe when you swallow?
O tongue
O epiglottis
O bronchi
O diaphragm
Answer:
epiglottis
Hope it helps:)
Answer:
B. epiglottis
Explanation:
this is the part of your body that covers the windpipe when you swallow.
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assuming that the human population on earth will peak sometime in the twenty-first century, the twenty-second century will witness a declining world population. discuss how you imagine life in the twenty-second century will be in terms of the use of nonrenewable and renewable resources, economic and social development, and quality of life.
Because nonrenewable resources are diminishing in number, they will eventually become scarce, posing a variety of life dangers in the future.
What are Non-renewable resources?Nonrenewable resources are defined as substances that are depleted faster than they can be replaced.
Renewable resources are abundant, and capturing them is a sign of new life on the horizon. It is necessary to decrease your reliance on nonrenewable resources. As we saw during the corona pandemic, most countries' economies are progressively deteriorating. It also has an impact on one's quality of life. As a result, it must be stated that the world population will decline in the twenty-second century.
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What is a potential risk associated with light skinned people living in areas near the equator? They may develop a vitamin D deficiency They will develop a supressed immune system They will develop Muscle weakness They are at a higher risk of developing skin cancer
Answer:
They are at a higher risk of developing skin cancer.
Explanation:
They get sunburned more easily, and that correlates to skin cancer development.
Matter takes up space and has mass or weight.
True
False
Answer:
Explanation:All matter has mass and occupies space. All physical objects are made of matter. Matter itself is composed of tiny building blocks known as "atoms".
Which of the following is NOT a feature found
in nematodes?
A. complex nervous system
B. bilateral symmetry
C. fluid-filled body cavity
D. digestive tract with two openings
Complex nervous system is not a feature found in nematodes and is denoted as option A.
What are Nematodes?
They are also referred to as roundworm and have unsegmented thread-like body with a distinct mouth and anus.
They have a simple nervous system which runs along the length and width of the organism.
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Your body's internal feedback loops work by responding to
keep systems functioning near a set point, or ideal level
Identify the leaf tissues.
a. _________
b. _________
c. _________
d. _________
Answer:
a. Vascular
b. dermal
c. ground
d. dermal
Explanation:
Vascular is the bundle of phloem and xylem.
Dermal is epidermis, so for "b." it is upper epidermis and for "d." it is lower epidermis.
Ground provide structure.
The correct identification of leaf tissues of A, B, C and D are Vascular tissue, Dermal Tissue, Ground tissue and Dermal tissue respectively.
The specialized tissues that make up plant leaves are known as leaf tissue. Photosynthesis, gas exchange and transpiration in plants are mainly carried out by the leaves. Different types of cells perform different activities in leaf tissues.
The epidermis of the leaf, which covers both the upper and lower surfaces, is the outermost layer of tissue. Through tiny pores called stomata, it regulates water loss and acts as a protective barrier.
Between the upper and lower epidermis of the leaf is a layer of tissue called the mesophyll. It is in charge of most of the photosynthesis.
The movement of water, nutrients and carbohydrates throughout the leaf and throughout the plant is carried out by vascular tissues.
Guard cells: Special cells that surround and control the opening and closing of the stomata are found in the epidermis.
The correct identification of leaf tissues of A, B, C and D are Vascular tissue, Dermal Tissue, Ground tissue and Dermal tissue respectively.
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explain mixed cropping
Answer:
Mixed cropping is also known as inter-cropping, polyculture, or co-cultivation. It is a type of agriculture that requires planting two or more plants simultaneously in the same field, interdigitating the plants so that they grow together.
Typically a mix of legumes and cereals or tuber crops is a common practice in marginal agro-ecological environments. The mixtures can be flexibly arranged to conditions such as late or early onset of the rainy season or status of soil fertility in different fields.
i’m stuck please help it’s due and grades are closing
Please help ASAP
Write the characteristics in which porifera differ from the characteristics of animal kingdom?
Answer:
see the file attached!!
genetic drift simulation:
Why did you have to "restock" your bag between generations? How does this relate to genotypes and inheritance?
A genetic problem caused by an issue in the organizms gene's
Answer:
A genetic problem caused by an issue in the organisms gene's is called genetic disorder.
A genetic disorder is a disease that is caused by a change, or mutation, in an individual's DNA sequence. A genetic disorder is an illness caused by changes in a person's DNA.
A genetic disorder happens when a gene (or genes) has a problem with its code, and this causes a health problem
18. Brayden is trying to figure out how petal shape is determined in two different roses. In the pink rose, the copies of the gene are the same as each other. In the yellow rose, the copies of the gene are different from each other. How does this affect how many types of proteins there are in each petal cell?
The pink rose has a type of protein for the petal shape on the other hand, the yellow rose has two types of protein for the petal shape feature.
What is the relation of protein with plant characteristics?Plant proteins also like other proteins, provide a variety of enzymatic, structural, and functional functions.
They also serve as storage media to suit the nutritional and development requirements of growing seedlings.
These can also responsible for coloration in plants.
Thus, as in the given scenario, the pink rose has a type of protein for the petal shape on the other hand, the yellow rose has two types of protein for the petal shape feature.
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What does oxygen poor blood deliver to the
lungs?
A. carbon dioxide
B. glucose
C. water
D. ATP
Answer:
A.carbon dioxide
Explanation:
oxygen poor blood means the blood is rich with Carbon dioxide
The oxygen poor blood delivers to the lungs carbon dioxide out of the body organs and cells. Thus, the correct option is A.
What is oxygen poor blood?The heart is divided into two separate pumping systems, which include the right side and the left side. The right side of the heart receives oxygen-poor blood that is deoxygenated blood from the veins and pumps it to the lungs, where the blood picks up oxygen gas from the alveoli and gets rid of carbon dioxide gas.
Deoxygenated blood has less oxygen or it is oxygen-poor and contains is carbon dioxide rich. The right heart pumps this deoxygenated blood to the lungs where it picks up additional oxygen gas.
As the blood travels through body, oxygen gas is used up, and the blood becomes oxygen poor or carbon dioxide rich. Oxygen-poor blood returns from the body to the heart by the superior vena cava and the inferior vena cava, the two main veins which bring blood back to the heart.
Therefore, the correct option is A.
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PLEASE HELP!!!!! 40 pts!!!
Besides water, which of the following compounds are found most in sea water?
sodium bromide
sodium chloride
hydrogen chloride
magnesium chloride
Answer:
Sodium Chloride :>
Explanation:
⠀⠀Beside water Sodium Chloride ( NaCl ) is found most in seawater .
More Information :
Sodium constitutes of 1.94 % of all the constituents ,Followed by the Chloride which constitutes of 1.08% .Minerals like Potassium (K) , Iodine (I) , Magnesium are also found in seawater .Darwin saw populations of various species that seemed well-suited to their environment. What did this suggest?
Answer:
Species adapte to their environment over time.
Why is a theory a hypothesis?
Answer:
Because a theory is a speculation on a topic that is in short words, the point of view on a group or individual. A hypothesis is an educated guess on a topic, which is relatable to a theory, since they are both considered, "thinking" or, "speculations" about one thing at a given time.
Which statement accurately describes how the understanding of the Doppler effect is applied to the study of galaxies?
Explain how our body systems work together to get oxygen into and around our body.
Why do you think that carbon spends so much time in this place?
Answer:
b
Explanation:
ur momjabgdoajn Lahr o the. and dobby the
Why are fats a better source of energy than carbohydrates on a per carbon basis?.
Fats and carbohydrates are the macromolecules that are energy sources. Fats are a better source of energy than carbohydrates as three fatty acid molecules have energy equivalent to 16 carbons.
What are fats?Fats are the energy-providing macromolecule and are stored in the adipose tissue. They are made of fatty acids that are the source of the energy.
Fats contain the triglyceride molecule that produces fatty acids that produce the equivalent energy as the sixteen carbon molecules and hence are a more efficient source.
Therefore, fats are a better source of energy.
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Photosynthesis is an integral part of what cycle?
Answer:
photosynthesis is a part of the global carbon cycle
The best method to improve air quality is to
a. use technology to reduce the pollutants in air
b. produce less pollution
C. produce less pollution and use technology to reduce the pollutants in air
d. better utilize land and technology to prevent pollution
Please select the best answer from the choices provided
Please I need help now !!!!!!
The Moving Man Virtual Lab Distance, placement, Spe
The moving man travels a distance of 5 m in 10 s. What was the Moving Man's speed?
Answer:
0.5m/s
The velocity is equal to the distance over time, so we divide 5 by 10
correct order of steps for cleaning and sanitizing
Answer:
D.
Explanation:
soak in warm water, scrape up food clean with sanitizer rinse and towel dry
Why because,
Soaking will enable leftovers to remove with ease
So first soak in lukewarm water
When performing a self rescue, when should you swim to shore?.
Self rescue when being done should involve an individual choosing to swim to shore as the last option.
What is Self rescue?These are different forms of methods which are done by individuals to pull out of dangerous situations which may cause them being stranded.
It is always best to get to the shore through every possible means so as to prevent drowning and other unpleasant situations thereby making it the correct answer.
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How is childbirth an example of a
positive feedback mechanism?
A. The fetus of a human grows and as it grows
larger the uterus of the mother grows larger.
B. The release of oxytocin leads to increased
contractions which produces more oxytocin.
C. The fluid in the placenta begins to be filtered
out so the baby falls lower.
D. A chemical is released at fertilization that
stimulates the growth of the fetus that releases
more.
The release of oxytocin leads to increased contractions which produce more oxytocin. thus option B is correct.
What do you mean by the positive feedback mechanism?
A system for positive feedback In reaction to an output variation, homeostasis is a mechanism that leads the output to fluctuate even more in the direction of the initial deviation. A positive feedback system amplifies errors and affects the state of the output.
Oxytocin has the effect of imitating more contractions, and so more Oxytocin is released as a result! It's a never-ending cycle of rising contractions and hormone levels to help push the baby.
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