A cell in the basal layer of the skin contains 46 chromosomes and divides by mitosis to produce new skin cells. After ten successive divisions, how many chromosomes will the basal cell have?
Answer:
2
Explanation:
after 10 successful division, the basal cell layer will remain two
Most living organisms are composed of whitch group of elements
Answer: In all living systems we can always find 4 basic elements: carbon, oxygen, nitrogen and hydrogen. Carbon is the basic building unit contained in living matter. The percentage of carbon in the mass of living matter is 19.4 %. Oxygen and hydrogen are present in almost all organic compounds which create living organisms.
Explanation:
Which of the following is true about science and technology?
A.
Advancements in science cannot lead to advancements in technology, and technological advancements cannot lead to scientific advancements.
B.
Advancements in science can lead to advancements in technology, and technological advancements can also lead to scientific advancements.
C.
Advancements in science can lead to advancements in technology, but technological advancements cannot lead to scientific advancements.
D.
Advancements in science cannot lead to advancements in technology, but technological advancements can lead to scientific advancements.
A section of DNA called a __________ codes for the production of _____________.
Please select the correct answers
Answer:
c is the answer
Explanation:
Due to the partial charges on atoms in a water molecule, ____ in water molecules are attracted to oxygen atoms in other water molecules.
Hydrogen bond in water molecules are attracted to oxygen atoms in other water molecules.
A hydrogen bond is a strong dipole-dipole attraction which occurs between:
the hydrogen atom attached to a strongly electronegative atom (for example oxygen in water molecules)another strongly electronegative atom with a lone pair of electronsHydrogen bonding occurs in the following compounds which include water, hydrogen fluoride and ammonia.
When an electronegative atom such as oxygen is bonded to hydrogen, a dipole develops causing the hydrogen to be partially positive while the other atom is partially negative.
Thus, this accounts for high boiling point in compounds that contains hydrogen bonds.
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What are some viable ways of lessening the effect that increased carbon has on global warming?
Answer:
reforestation
detoxification of harmfull gasses from industries and vehicles
Explanation:
What are the conditions for osmosis to occur in animal cells?
Other kinds of white blood cell have a different way of killing
pathogens.Explain how they do this.
Answer:
White blood cells defend against pathogens in three ways. Firstly they release anti-toxins, which neutralize the effect of toxins produced by bacteria. The second way they destroy pathogens is by engulfing/ingesting them.
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Which of the following statements about a controlled experiment is accurate? a. All the variables must be kept the same. b. Only one variable is tested at a time. c. Everything can be studied by setting up a controlled experiment. d. Controlled experiments cannot be performed on living things
Answer:
B.
Explanation:
Only one variable is altered at a time in a "controlled experiment." The rest of the variables should be kept the same or “controlled.”
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what is biomolecules ?how it works in our daily life
Answer:
all
Explanation:
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Answer:
Biomolecule, also called biological molecule, any of numerous substances that are produced by cells and living organisms.
Explanation:
The biomolecules may involve in several processes such as energy storage (carbohydrates), catalyzing the biochemical reactions (hormones), storing/transmitting the genetic codes (RNA/DNA), or altering biological and neurological activities (neurotransmitter/hormones.
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The flow of genetic information in molecular biology follows the following path, A) DNA is translated into protein B) DNA is transcribed into RNA which is translated into protein C) DNA is translated into RNA which is transcribed into protein D) RNA is transcribed into protein
Answer:
The Correct answer is DNA is transcribed into RNA which is translated into protein
Explanation:
The genetic information is unidirectional, from DNA to proteins. First, DNA is transcribed into an intermediary RNA molecule is known as transcription (TC), a further messenger RNA molecule (mRNA) is translated into a corresponding sequence of amino acids (translation). This concept of information flow is known as the central dogma of molecular biology.
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Parkinson's disease Is the disorder contagious?
Explain the difference between asexual and sexual reproduction
Answer:
Asexual reproduction is when a living thing reproduces with only a single parent. Sexual reproduction involves two parents and chromosome change.
Explanation:
Ex of Asexual reproduction: Ferns, bacteria, animals, etc.
Ex of Sexual reproduction: Animals, some plants, etc.
8. What part of the heart is described as having thin walls that store blood returning to the
heart?……
A. Upper chambers
B. Lower chambers
C. Ventricles
D. None of the above
Answer:
none of the above is answer
Describe polarity in your own words.
Answer:
Explanation:
polarity can mean different things based on how you use it but in chemical bonding its the distribution of the electric charge over the atoms in the bond and in chemistry its typically physical properties such as melting and freezing point but like i said it depends on how its used
In order to learn more about a rare disease, a doctor uses a computer to talk to another doctor halfway around the world. This technology trend in medicine is known as
Answer:
Telemedicine
Explanation:
I could be wrong, but I do not think I am.
Therefore, how many °F are there in one °C?
Which phrase describes air pressure?
decreases with denser air
decreases as altitude decreases
equals mass divided by volume
decreases as a result of fewer air particles pushing down
The phrase which best describes air pressure is: decreases as a result of fewer air particles pushing down.
What is pressure?Pressure can be defined as a measure of the force exerted per unit area of an object or physical body. Thus, it is usually measured in Newton per meter square and calculated by using this formula:
[tex]P = \frac{F}{A}[/tex]
Where:
P is the pressure.F is the force.A is the area.The types of pressure.In Science, there are different types of pressure and these include the following:
Hydrostatic pressureOsmotic pressure Filtration pressureAtmospheric (air) pressureIn conclusion, air pressure is also referred to as atmospheric pressure and it generally decreases due to fewer air particles pushing down on the surface of planet Earth.
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Which of the following is true of a scientific theory
Answer:
please put the papers snapshot
100 points plus brainly!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Starch, glycogen, and cellulose are all made of chains of
NEED ANSWER ASAP PLEASE!!
describe the characteristics of life that carbon atoms have and any characteristics of life that it does not have. Be sure to explain how each of the 7 characteristics of life are either present or not present.
Characteristics of life:
1. homeostasis
2. organization based on cells
3. metabolism
4. growth
5. evolution and adaptation
6. response to stimuli
7. reproduction
Answer:
i don't know try e
Explanation:
1. Is it advisable to switch the microscope on while looking through the eyepiece?
Answer:
yes ithink its important to switch on
Which of the following represents the impacts of drilling and fracking on human health?
I. Heavy metal exposure can cause nervous system damage.
II. Air pollution can aggravate respiratory conditions.
III. Noise pollution can cause headaches, changes in sleep patterns, and anxiety.
- III only
- I and II
- II and III
- I, II, and III
Answer:
II and III
Explanation:
I only applies to mining and not drilling.
The correct answer as to the impacts of drilling and fracking on human health includes nervous system damage as a result of heavy metal exposure, respiratory diseases as a result of air pollution, and headaches, changes to sleep patterns, etc. as a result of noise pollution. The correct answer would therefore be I, II, and III.
Drilling and fracking are innovative technology methods used in the location of water, minerals, and the extraction of crude oil from underground respectively. The methods are characterized by the noise of the drilling machine, air pollution by dust particles as a result of soil excavation, and heavy metal pollution of the environment.The different pollutions have varying degrees of effects on the health of human and these include damages to the nervous system by heavy metal, damages to the respiratory organs as a result of inhalation of particulate matters and headaches/anxiety as a result of noise pollution.Hence, all the three effects represent the impact of drilling and fracking on human health.
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