Answer:
Gas exchange is the delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
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Tysm!
Answer:
breathing allows the exchange between 2 gases: oxygen and carbon dioxide. Gas exchange occurs in millions of lung alveoli and the capillaries that surround them
Explanation:
What is a pedigree? Please choose the correct answer from the following choices, and then select the submit answer button.
a) a tool to document harmful traits only
b) a type of family tree that can help answer questions about genes and their inheritance patterns
c) a cross between animals other than humans
d) a type of genetic test to determine probability of inheritance
e) a way of following genotypes that are the same as the phenotype
Answer:
b
Explanation:
A pedigree is a genetic representation of a family tree that diagrams the inheritance of a trait or disease though several generations
Answer:
B
Explanation:
Muscle cell are richer in lysosomes , as they require lot of energy. correct and rewrite the following statement.
Answer:
See below
Explanation:
The correct statement is:
=> Muscle cells are richer in mitochondria, as they required lots of energy.
Mitochondrion acts as power house of the cell providing the cell with the required energy.
Muscle cells are richer in Mitochondria, as they require a lot of energy.
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Especially in Skeletal muscles, Mitochondria and glycogen granules are found in abundance. Our limbs that includes our arms and legs shows movement which needs energy. The food is oxidized and energy is released.
More to know:-Mitochondria is popularly known as Power house of the cell or ATP generation site.It is a double-membranous structure with outer membrane smooth and inner membrane surrounds the matrix.The inner membrane have cristae which increase surface area.The cristae bear Oxysomes or F0-F1 particles.Mitocondria is semi-autonomous, it have it's own DNA and ribosomes.━━━━━━━━━━━━━━━━━━━━
1. If the temperature of the water increases from 5°C to 10°C, the goldfish in Population 1 would most likely
Answer:
hot water make it hard for fish to breathe
Explanation:
an increase in temperature of water will reduced the dissolved oxygen in water and increase the metabolic rate of goldfish thus causing goldfish respiration rate
The image shows groundwater zones. Top to bottom: Porous rock or soil, Water, Impermeable rock. Zone 1 is at the top of porous rock. Zone 2 is between porous rock and water. Zone 3 is in the Water. Zone 4 is between the Water and Impermeable rock. Which is the saturated zone?
Answer:
zone 3
Explanation:
Answer:
C
Explanation:
Consider this animal cell. The organelles in an animal cell are labeled. Part E represents small dots on the nucleolus. What is the function of the small, dark organelles labeled E? They contain enzymes for the digestion of old cell parts. They regulate what enters and leaves the cell. They produce proteins for the cell. They store water and other materials.
The dark organelles labelled E is called the Ribosomes.
Answer:
C
Explanation:
Edge 2020
SIOM CSserials
What has a greater influence on protein levels?
(1 point)
Protein degradation has a greater influence because outside factors like antibiotics can
cause it, and it is difficult to recover from.
O
Protein degradation has a greater influence because they are denatured faster than the cell
can produce them.
mRNA destroyer concentration has a greater influence because it is destroying mRNA before
proteins can even be produced.
mRNA destroyer concentration has a greater influence because mRNA is destroyed right
after the proteins are produced.
Answer:
mRNA destroyer concentration has a greater influence because it is destroying mRNA before proteins can even be produced.
Explanation:
Proteins are synthesized from mRNA through the process of translation. mRNAs are first synthesized from a coding DNA template through the process of transcription. Hence, if mRNAs are destroyed, it means proteins will not be synthesized at all.
Protein not being synthesized at all means that mRNA destroyer concentration has a greater influence on protein levels than protein degradation. With protein degradation, not all the protein is degraded at once and some quantity of the protein can still be found, but with mRNA destroyer concentration, no protein can be found at all because it was not synthesized in the first place.
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1.) How do organisms benefit from Mitosis? Write a paragraph using at least five sentences.
Answer:
Organisms benefit from mitosis because mitosis helps regenerate cells. This helps them recover from injuries and more.
Explanation:
what type of cash crops have been genetically modified..... please help!!!!!
Answer:
Most food modifications have primarily focused on cash crops in high demand by farmers such as soybean, corn, canola, and cotton. Genetically modified crops have been engineered for resistance to pathogens and herbicides and for better nutrient profiles.
Explanation:
Is there just one universal scientific method?
Answer:
There is no such unique standard method—scientific progress requires many methods—but students in introductory science courses are taught that `The Scientific Method' is a straightforward procedure, involving testing hypotheses derived from theories in order to test those theories.
Explanation:
what mode of nutrition is house fly
Answer:
Houseflies do not have chewing mouthparts like a cockroach or piercing-sucking mouthparts like a mosquito. They regurgitate digestive enzymes, soften and liquify the food material, and then they sop it up with their sponging mouthparts.
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How are the proteins inside your body affected by the presence of water and other molecules?
Answer:
Our body is constitute of several essential molecules such as proteins, fat, carbohydrate, water, and other molecules.
Each molecule has some of the impact of other molecules in the body. Impact of water and other molecules on proteins inside the body are as follows:
Proteins have ligand-binding site and water provide stability to the ligand-binding site of proteins through its hydrogen bonds.Conformational flexibility and transitions of proteins are due to the presence of water molecules in it.Disbalance in the pH of body due to changing concentration of sodium-potassium ions can denature the protein. Enzymes present in the body can control the rate of formation of proteins in the body.
13. List 4 safety symbols that would be seen if you are working with a material that is biohazard, such as bacteria.
Answer:
1. Skull and crossbones
2. A triangle (commonly painted colour red or yellow) with an exclamation sign inside.
3. biohazard symbol
4. A radiation sign in the form of a triangle, having other little image descriptions inside.
Explanation:
Note that a biohazard material refers to dangerous substances of biological (living) nature that can pose a threat to humans. Thus, safety symbols try as much as to draw attention to the descriptions used.
For example, skull and crossbones and biohazard symbols are used to indicate that a material that is biohazard, such as bacteria could result in the death of a person.
Beyond changes in relationships described above, explain what other characteristics of man changed after the Fall.
Answer:
The consequences of the fall was man and woman will die man turned to mortal and will turn back into dust. woman would bring children in pain. relationships between husband and wife would be difficult. The ground was cursed labor would be very hard. human was banned from the paradise and the garden. no longer would they enjoy the holiness and justice they had in paradise.
Explanation:
Which structure is located between the trachea and a bronchiole? A. epiglottis B. pharynx C. alveolus D. bronchus
1. ____Bacteria are the only microorganisms used in the fermentation process 2. ____Fermentation can be used only to make dairy products 3. ____Starter cultures are used to initiate the process of fermentation in modern day food processing 4. ____Fermentation occurs when undesirable metabolic reactions allow for the growth of pathogens or the presence of unwanted microorganisms in food
Please sort the following statements as being true or false regarding fermentation and its role in food production. Please recall the role that microorganisms can play in the production of foods.
Answer:
1. False statement
2. False statement
3. True statement
4. False statement
Explanation:
1. Yeast is a microorganism which is also used in fermentation process.
2. Fermentation can however be used for various reasons, including: development of flavours, preservation and enrichment of foods, reduction of food cooking time etc.
3. Starter culture is considered to be a form of microbiological process which is used to initiate a process of fermentation.
4. Fermentation is considered to be a desired action of microorganisms
Statement that Bacteria are regarded as only microorganisms utilized in fermentation process is False
Statement that Fermentation is considered only when making dairy products is False.
Statement that Starter cultures can be utilized when initiating the fermentation process in food processing in this age is True.
Statement that Fermentation takes place when growth of pathogens or unwanted microorganisms in food are allowed by undesirable metabolic reactions is False.
Fermentation can be regarded as metabolic process whereby organism converts a carbohydrate into alcohol or an acid.This process is used in making dairy products, one of the organisms that can be used in fermentation is yeast.Learn more at:
https://brainly.com/question/13050729?referrer=searchResults
Consider this animal cell. The organelles in an animal cell are labeled. Part E represents small dots on the nucleolus. What is the function of the small, dark organelles labeled E? They contain enzymes for the digestion of old cell parts. They regulate what enters and leaves the cell. They produce proteins for the cell. They store water and other materials.
The dark organelles labelled E is called the Ribosomes.
Which of the following is a testable hypothesis?
a. Roses are more beautiful than violets.
b. A plant needs at least five hours of sunlight per day to grow.
c. I've cream is delicious.
d. Humans will someday land on Mars.
Answer:
D. Humans will someday be on mars
Write TRUE or FALSE
(a)
A 'system' is the part of an organism that carries out a certain function.
Answer:
TRUE
Explanation:
a pupil performed an experiment in a school lab to show the action of a digestive enzyme on a food substance
a) Name and enzyme suitable for such an experiment
b) Name a food substance on which the enzyme that you have named will act
c) Describe any preparation of the food required before the experiment is performed. If no preparation is required state why?
d) give the temperature at which the enzyme-food mix should be maintained for the experiment to work
e) how much time is needed for digestion of food in this experiment?
f) describe a test to confirm that digestion has occurred
Question What was the ratio of tall to short plants in the F2 generation of Mendel's experiments? A. 3:1 B. 2:1 O C. 1:1 D. 6:1
Answer:
A
Explanation:
Answer: 3:1
Explanation:
i got it right on the test
3. Why are some potentially
renewable resources currently
nonrenewable resources?
Which statement is always true when describing sex-linked inheritance? It results in a dominant trait. The alleles are found on the X or Y chromosome. The resulting trait is influenced by multiple alleles. It is affected by alleles on at least three different chromosomes.
Answer:
the second one
Explanation:
there are only 2 sex linked chromosomes and that is X and Y
The true statement when describing sex-linked inheritance is ; ( B ) The alleles are found on the X and Y chromosome
The alleles responsible for reproductive inheritance from parents to offspring is contained in the X and Y chromosome of the reproductive gametes.
The female gametes contains double X chromosomes while the male reproductive gametes contains one X and one Y chromosomes. The alleles that are responsible for inheritance ( i.e. the sex of the offspring ) are contained in this chromosomes.
Hence we can conclude that The true statement when describing sex-linked inheritance is the alleles are found on the X and Y chromosome.
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True or False: Polar molecules do not have a difference in electrical charge.
Answer:
false
Explanation:
nonpolar molecule has no separation of charge, so no positive or negative poles are formed
En la raza de ovejas Rommey Marsh, un gen conocido como gris letal, provoca que el feto gris GG, muera antes de las 15 semanas de gestación; El Genotipo heterocigótico Gg produce lana gris y el genotipo homocigótico gg produce lana negra. Si se cruzan individuos heterocigóticos. Cuáles serán las proporciones fenotípicas esperadas en la progenie viva? *
Answer
1:2:1
Please check the file,due to technical reasons there was issues with submission
Explanation:
The hypothalamic hormone that triggers the secretion of FSH and LH from the anterior pituitary is
Answer:
Hypothalamic-Pituitary-Gonadal Axis
GnRH produced by the hypothalamus stimulates the production of both LH and FSH. FSH functions by stimulating ovarian follicular development in females and regulating spermatogenesis in males. LH induces ovulation and corpus luteum formation in the ovaries.
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When human skin suffers a cut, the process of healing rapidly begins allowing for wound closure and healing within a few days. Keloids occur when skin around wounds continues to grow after the skin has healed. A disruption in the regulation of which cellular process is probably responsible for this condition
Options
A. Mitosis
B. Meiosis
C. Apoptosis
D. Phagocytosis
Answer:
A
Explanation:
Mitosis is a type of cell division which takes place in living organism during growth and development.Therefore it is ensures the regenerations of cells and tissues during healing.
Therefore the restoration of new cells to the skin following injuries is due to mitosis.Since this is a multiplication division(2n) in which the daughter cells are exactly like the parents' cells the new tissues of the skin by mitosis, look exactly like the previous one that was injured.
In cases where the mitotic growth control is lost, the scare tissues of the injured part overgrows with granulation tissues and this leads to Kaloids.
Its is a mass of Collagen Type 1.(Collagen is an fibrous proteins which has largest proportion in mammals).
Keloids is characterized with pink or red coloration and elevation of the area,excessive growth of the area, with irritating patch skin
Explain how scientific knowledge develops through making observations about the natural world.
Answer:
Scientific knowledge develops through making observations about the natural world. An observation may generate a scientific question, which may lead to a hypothesis. The hypothesis can be tested through experimentation. The results of experimentation lead to changes in scientific knowledge.
Explanation:
Explain how scientific knowledge develops through making observations about the natural world. my answers are never wrong trust me
Which statements accurately describe the roles of water on earth
Answer:
C.
Explanation:
It carries cold water from the equator to the poles
Please I need help with this
Name four breeds of cattle
Answer:
Black Angus, Red Angus, Holstein, Gelbvieh
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