Answer:
The answer is nuclear fusion
Explanation:
Solar energy is created by nuclear fusion that takes place in the sun. Fusion occurs when protons of hydrogen atoms violently collide in the sun's core and fuse to create a helium atom.
____________ diffuses out of the alveoli and into the pulmonary capillaries, while _______ diffuses out of the pulmonary capillaries and into the alveolar sacs.
Answer: Oxygen; Carbon Dioxide
Explanation:
Oxygen diffuses out of the alveoli and into the pulmonary capillaries, while carbon-dioxide diffuses out of the pulmonary capillaries and into the alveolar sacs.
What are pulmonary capillaries?PULMONARY CAPILLARIES: Deoxygenated blood enters into the pulmonary arteries from the right side of the heart and is delivered to the pulmonary capillaries, the smallest blood vessels inside of the lungs, attached to the walls of the alveoli.
Moreover, oxygenated blood then passes from the capillary beds through venules into the pulmonary veins. The pulmonary veins transport it to the left atrium of the heart.
Therefore, the pulmonary arteries are the only arteries that carry deoxygenated blood, and the pulmonary veins are the only veins that carry oxygenated blood.
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13. why might amplification of a signal be important during transduction?
a. the signal needs to be repeated several times before a cell can respond
b. it reduces signal errors during transduction
c. the signal is louder for the cell
d. more molecules can be activated in fewer steps
e. the signal is to small for the cell to recognize otherwise
Answer:
b ) it reduces signal errors during tranduction
Why are there so many ways to impact enzyme activity.
Answer:
Enzyme activity can be affected by a variety of factors, such as temperature, pH, and concentration. Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate.
Explanation:
Match each part of the brain with the correct label. 2
Answer:
For the numbers on the brain
1. Forebrain: Telencephalon
2. Forebrain: Diencephalon
3. Hindbrain
4. Midbrain
Explanation: correct
Independent assortment of chromosomes is a result of which of the following processes?
a. the diverse combination of alleles that may be found within any given chromosome
b. the random way each pair of homologous chromosomes lines up at the metaphase plate during meiosis I
c. the random combinations of eggs and sperm during fertilization
d. the random distribution of the sister chromatids to the two daughter cells during anaphase II
Answer:
B
Explanation:
Independent assortment of chromosomes refers to the random way each pair of homologous chromosomes lines up at the metaphase plate during meiosis I.
What is independent assortment of chromosomes?The independent assortment of chromosomes is one of the Mendel's laws of genetics.
Independent assortment of chromosomes refers to the random way each pair of homologous chromosomes lines up at the metaphase plate during meiosis I.
Therefore, independent assortment of chromosomes results in traits and characters beings inherited independently from each other.
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If two 4-Newton forces act on an object in the same direction, what is the net force on the object?
Answer:
8 Newton net force
Explanation:
Have a nice day
the hair cells that detect sound vibrations lie on the ________ membrane.
Answer:
Basilar
Explanation:
Which organism has the least visible postanal tail as an adult
Answer:
There are no choices, but i'm guessing Human?
white rami carry _________ neurons, while gray rami carry _________ neurons.
Answer: myelinated preganglionic, unmyelinated postganglionic
Explanation:
Just took the test
Una boya está anclada al fondo del océano. Una gran ola se acerca a la boya. ¿Cómo se moverá la boya a medida que pase la ola?
Answer:
lentamente con la ola
Explanation:
1 A wound that is deeper than wide, can cause damage to internal organs describes a(n)
A. Laceration
B. Puncture
C. Abrasion
D. Incision
E. None of these
Why must everything but the
independent variable stay constant?
A. since a graph can only hold one variable
B. each group should be completely different to do an
experiment
C. because you can only record information for one
experimental group
D. because with too many variables you can't
determine what caused the
The independent variable should stay constant because each group should be completely different to do an experiment while it is being conducted.
What are variables?
The variables are defined as any characteristics, number or quantity which can be measured . They can also be called as a data item . They are called as variables because they can vary and can have variety of values.
There are three types of variables 1) manipulated variable where in a condition is specified, 2) responding variable which is dependent on manipulated variable 3)controlled variables which does not change
Example of manipulated variables are number of hours spent by a student studying , that of responding variable is result of a student and temperature is an example of controlled variable.
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what's makes up the brain and a brief explanations
Answer: I'm not quite sure what you're asking but...
Explanation: The largest part of the brain, the cerebrum initiates and coordinates movement and regulates temperature. Other areas of the cerebrum enable speech, judgment, thinking and reasoning, problem-solving, emotions and learning. Other functions relate to vision, hearing, touch and other senses.
Which of the following best describe a chemical property of a substance. *
A. the amount of material used
B. the ability of a substance to undergo chemical change
C. the behavior of material when heated
D. the color of the product
Answer:
Explanation:
option C
Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form.
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The Correct choice is ~ B
The ability of a substance to undergo chemical change
Which of these statements correctly describe the result of Mitosis
Answer:
The result of mitosis is two identical daughter cells, genetically identical to the original cell, all having 2N chromosomes. ... A chromatid, then, is a single chromosomal DNA molecule.
Answer:
statements??
Explanation:
deoxygenated blood is transported to the pulmonary capillaries in the lungs by the pulmonary veins; oxygenated blood is transported away from the pulmonary capillaries by the pulmonary arteries is false
Answer:
no it is not false can be transported
Since transport of materials in and out of the cell can only happen at the cells surface, what problem does this pose for larger cells
Answer:
More surface area being taken up meaning in less cells getting in or out.
Plzzzzz help meeeee plzzzzzzz
Answer:
59 is false and 60 and true
Explanation: I think it is right sorry if it is wrong. I hope this helps
Answer: 1) True 2) True
Explanation:
why is the cycling of matter important to life on earth?
Answer:
It needs to have it
Explanation:
Earth is earth
low does natural selection lead to the evolution of a population?
Explanation:
when natural selection is cartried out it leads to the species being the fittest inorder words it is called survival of the fittest inorder to promote evolution
what part of the kidney can be under hormonal control?
Answer:
The kidneys make two main hormones, vitamin D and erythropoietin.
Match each lobe of the brain with the correct label.
Answer: is correct
1. Frontal Lobe
2. Parietal Lobe
3. Occipital Lobe
4. Temporal Lobe
1. What happened to the pH of the substances when the size of the sample was increased or
decreased?
2. What happened to the pH when the sample was diluted? Did the material change from its original classification as an acid/base/ or neutral?
3. Describe a neutralizing reaction and give the neutral products?
4. Predict the general pH that is the result of combining a strong acid with a weak base?
at what point in sperm production do you hypothesize that loss of the testis-blood barrier would have an immunological effect on sperm production?
Answer:
when u do ittttt
Explanation:
A chemical reaction in a living cell occurs in the presence of a specific protein molecule. The concentration of this protein molecule remains the same before and after the reaction. This protein molecule is most likely
1. a coenzyme
2. a substrate
3. an enzyme
4. an acid
Answer:
c
Explanation:
True or False?
The eastern United States has three types of plate boundaries offshore.
Answer:
True
Explanation:
divergent, convergent, transform
Answer:
true
Explanation:
true
Environmental factors typically activate genes in a cell by causing the cell to --
A.produce identical daughter cells through mitosis
B.form haploid gamete cells through meiosis
C.fuse with another cell to increase the size of its genome
D.transcribe specific DNA segments to mRNA for translation
Environmental factors typically activate genes in a cell by causing the cell to transcribe specific DNA segments to mRNA for translation.
This interaction is an example of environmental factors affecting genetic expression. In these situations, the environment causes specific segments of DNA to be expressed, meaning they are transcribed to mRNA and subsequently used to form proteins.
Meanwhile, other parts of the genome remain or are forced to be silent. This can be a result of mutations or simple biochemical reactions between the environment and the genome.
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Answer:
Transcribe DNA to RNA
Make a list of 5 kinds of variation that you can see between the dogs
6. Two scientists want to compare their research of fireflies. Which
information must the two scientists provide to each other to determine if
they studied the same type of fireflies? (B.8, A) *
Size of the firefly populations
Type of habitat in which the fireflies live
O Color of light produced by the fireflies
O Species name of the fireflies studied
Answer:
its the last answer "species name of the fireflies studied"
i took a quiz with the same question and got it right
Species name of the fireflies studied is the information which should be
provided.
What is Species?These refers to organisms which are capable of interbreeding. They usually have the exact same features.
Scientists researching about organisms must know the exact specie as
there are different types present in organisms which makes option D the
most appropriate.
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what is hereditary information contained in
Answer:
Genes
Explanation:
Hereditary information is stored in genes, which are found on each cell's chromosomes. Each gene contains a single piece of information. An individual's inherited trait can be determined by one or more genes, and a single gene can influence more than one trait. There are thousands of different genes in a human cell.