can anyone help i struggle with biology :)
In fish and chip shops, potatoes are cut into chips several hours before they are cooked.
The mass of water in the chips must be kept constant.
To ensure this, the chips are kept in sodium chloride solution.
The drawing shows some apparatus and materials (Potato slices, tweezers, knife, test tubes, and some weighing scales)
Describe how you would use the apparatus and materials to find the concentration of sodium chloride in which to keep the chips so that the mass of water in the chips remains constant.
you must include: measurements, and how youd make it a fair test. 6 marks.
I dont neccessarily need a full answer, just some help!! thank you!!
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It kept saying I was using swear words, so I had to take a screenshot instead twt
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Heidi is doing a sit-up for P.E. class. Which of the following muscles is she using?
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Answer:
d. All of the above
Explanation: is correct
Our muscle cells sometimes turn to lactic acid fermentation rather than respiration in order to produce energy because they
A.run low on glucose and need something to replace it.
B.produce too much oxygen for our bodies to handle.
C.use up all the pyruvates and must compensate with fermentation.
D.do not receive enough oxygen during strenuous exercise.
Answers
Explanation:
D) do not receive enough oxygen during strenuous exercise is right answer.
Muscle cells turn to lactic acid fermentation rather than respiration when they do not receive enough oxygen during strenuous exercise. Thus, the correct option is D.
What is Lactic acid fermentation?Lactic acid fermentation is a metabolic process in which glucose and other sugars are converted into the cellular energy (ATP) and lactic acid. It is a form of anaerobic fermentation reaction which occurs in some of the bacterial cells and animal cells, like muscle cells.
When the muscles are contracting very quickly during strenuous exercise, the oxygen cannot travel fast enough to the muscle cells to keep up with the need of ATP in the muscles. At this point, the muscle fibers switches to a breakdown process which does not require much oxygen (anaerobic respiration).
The muscle cells produce ATP with the lactic acid to give you energy during these difficult physical activities. This condition results when there is not enough oxygen in the body to produce ATP, so the lactic acid fermentation provides acts as a substitute to get ATP without oxygen.
Therefore, the correct option is D.
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Trùng roi giống thực vật:
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Answer:
Wangsulan Iku Soko sing KITA ORA SING MELU SAK GROUP
How did epigenetics develop
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Answer: Stuart Schreiber discovered an enzyme in mammalian cells that removed histone acetylation marks and was related to a yeast gene known to regulate transcription. ... Assumptions that these modifications affect gene activity led to their designation as epigenetic marks.
Explanation:
Answer pleaseㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ
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Answer:
1. 40 minutes
2. cake keeper
3. 15 minutes
4. plastic wrap
5. refrigeration
6. filling
7. refrigerated
8. wrapped
9. frozen
10. cakes
11. 3-4 days
12. moisture
13. filling
14. butter
15. ??
Explanation:
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used to extend the hip when climbing stairs
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Answer:
Gluteus maximus
Explanation:
I think it's this I'm not 100% sure
Which two processes will help this hatchling turtle grow into an adult?
A, Cell division that includes mitosis
AD
B. Cell growth caused by taking in nutrients
c. Cell growth caused by fertilization
D. Cell division that includes meiosis
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Answer:
A. Cell division that includes meiosis and B. Cell growth caused by taking in nutrients
Explanation: DOING THE QUIZ NOW
Name the relevant tools on organic farm?
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Answer:
4. Organic practices
4.1. Biointesive farming. ...
4.2. Crop rotation. ...
4.3. No till and conservation till farming. ...
4.4. Mulching. ...
4.5. Composting.
condition necessary for osmosis to takes place
Answers
What two conditions are necessary for osmosis to take place
The conditions required for osmosis are:
Two solutions having different solute concentration.
A semi-permeable membrane. When two solutions having different concentration of solutes is separated by a semi-permeable membrane, the solvent moves from the region of high concentration of solvent
if a kidney failed that could be very bad causing harm to other parts of the body like stress and harmful things that should not be entered into the blood, if it is simply just like the appendix you should be okay as long as you treat it correctly
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Answer:
yes
Explanation:
but then again you can't just use your other kidney
Sexual reproduction involves two parents.
True or False
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Answer:
True
Explanation:
Answer:
true
Explanation:
cause....... just answer it
explain the relationship between stem cells and gene expression
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Explanation:
This process your body uses to turn genes on and off is the same one it uses to develop from one cell into the many different cell types that make up your body. Stem cells have the ability to turn into any other type of cell in the body, an ability known as pluripotency.
The relationship between stem cells and gene expression is the process by which the body uses to turn genes on and off is the same one it uses to develop from one cell into the many different cell types that make up your body. Stem cells have the ability to turn into any other type of cell in the body, an ability known as pluripotency.
What is stem cell?Stem cell has been defined as the cell and the raw material of the body and these are the cells which has been specialized the function has been generated. In the right condition of the body or the laboratory, the stem cells has been divided to form the cells known as the daughter cell.
Daughter cell is known as daughter cell because they have to divide again the this quality of division is just the character of daughter cell. Stem cells have the ability to turn into any other type of cell in the body, an ability known as pluripotency.
Therefore, The relationship between stem cells and gene expression is the process by which the body uses to turn genes on and off is the same one it uses to develop from one cell into the many different cell types that make up your body.
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what is one advantage of using a hydroelectric plant?
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Answer: Renewable. Hydropower is completely renewable, which means it will never run out unless the water stops flowing. ...
Emission Free. The creation of hydroelectricity does not release emissions into the atmosphere. ...
Reliable. ...
Adjustable. ...
Create Lakes. ...
Faster Developed Land.
Explanation:
Hope it helps <3
Why do doctors give fluids when losing blood but not water ?
Help me
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Answer:
In trauma patients, fluid resuscitation helps restore lost blood volume, regain tissue perfusion, and reduce mortality. Water is a different case.
Explanation:
use the data able on the first page of this activity to caculate the number of calories in a single chip and in a single medium apple.
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Answer:
answer
Explanation:
Hi how was your day
Sexual reproduction allows for more genetic diversity than asexual reproduction.
True or False
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Answer:
True
Explanation:
Hope this helps!
hope this helps
What is the name of the longest tendon in your body?
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Answer:
c. Iliotibial tract (IT band)
Explanation: is correct
The enzyme found in stem cells and cancer cells that allows these cells to never enter replicative senescence is:
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Answer:
Telomerase is found in high levels in germline cells (egg and sperm) and stem cells. In these cells telomere length is maintained after DNA replication and the cells do not show signs of ageing.
1. Breathing organ of the plant.
2. A green pigment that found in the chloroplast that enables them to capture the energy from the sun.
3. Enables organisms to manufacture their own food.
4. Process by which autotrophs manufactured their own food with the use of inorganic sources in the presence of sunlight.
5. Vascular bundles that transport water and minerals into the leaf.
6. Outer layer of the leaf that protects the inner tissue.
7. Waxy layer that protects the leaf from too much water loss.
8. An accessory pigment that absorbs energy and pass it to chlorophyll.
9. Regulates the opening and closing of the stoma.
10. Required element for photosynthesis
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Answer:
1= stomata
2= chrophyll
3=autotroph
4=photosythesis
5=xylem tissuse
6=epidermis
7=the cuticle
8=Carotenoids
9=Guard cells
10=carbon dioxide sunlight and water
Explanation:
good luck
the two strands of a dna double helix are held together by:
Answers
Answer:
Bonds between the bases.
Explanation:
The two strands are held together by bonds between the bases, adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Answer:
Nucleotides, also known as base pairs.
Base Pairs-
ThymineCytosineAdenineGuanineIn the example, no RNA is made during the process. What would need to occur for lacZ to be expressed in mRNA?
Binding the RNA polymerase to the promoter sequence
Transcribing the regulatory gene
Translating the lacl sequence into protein
Unbinding the active repressor from the operator
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Answer:
Binding the rna polymerase to the promoter sequence
Scientists use this technology to map the human genome.
stem cells
genetic chips
cross-testing
DNA
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Answer:
()B() .++Genetic chips.++
Which two mixtures are homogeneous?
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Answer:
air, saline solution, most alloys, and bitumen. Examples of heterogeneous mixtures include sand, oil and water, and chicken noodle soup.
Explanation:
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state five importance of diffusion in plants and animals
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Answer:
Diffusion is important to cells because it allows them to gain the useful substances they require to obtain energy and grow, and lets them get rid of waste products.
Importance of diffusion to living organisms.
Substance required by cell Waste product of cell
Glucose Carbon dioxide
Oxygen Urea (made from excess amino acids)
Amino acids
Yeast
Makes photosynthesis under light.
Makes alcoholic fermentation reactions.
Only makes anaerobic respiration reactions
Releases oxygen in the fermentation process.
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Answer:
your answer is D
Answer:
the answer must be D: Releases oxygen in the fermentation process.
Explanation:
Given three independently assorting genes, A, B, and C, how many types of gametes can be produced by the individual with genotype AaBbCc?
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True or False: Tetanus can make breathing difficult.
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Answer:
True is correct on edg
Explanation:
please answer thiis lol?
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Answer:
b to a
Explanation:
since cells in membranes move from high to low concentration (diffusion). b has more molecules, so it will go into a.
suggest what caused this increase of species of mayfly
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Answer:
Mayflies are often seen as a sign of healthy water ecosystems because they are very sensitive to pollutants., Because mayflies are an indicator of water quality. Mayflies are highly sensitive to algal blooms, increased nutrient concentrations, and pesticides.
What is ATP called after it loses its 3rd phosphate group?
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Answer: Adenosine diphosphate
Explanation:
