Answers
Answer:
Explanation: b I think
Related Questions
Why are onion root tips a good choice for viewing cells in different stages of the cell cycle?
Answers
The onion root tips are good for observing cells in different stages of cell cycle as they comprise of different cells in different stages of growth and development.
The onion root tip is an actively growing region of the onion plant. The cells are expected to be in different stages of growth and maturation. The cells are in different stages of mitosis which can be observed microscopically. The onion root tip can be prepared for microscopic examination by squashing and flattening of the onion root tip. The chromosomes during different stages of mitosis can be observed by using staining with specific dyes like Feulgen stain and Acetocarmine stain.Learn more about cell cycle:
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A bicycle tire pump has a piston with area 0.38 in. If a person exerts a force of 29 lb on the piston while inflating a tire, what pressure does this
produce.on the air in the pump?
.
Answers
Answer:
OMGGGG WANNA WORK ON THIS TOGETHER I NEED THIS ONE TOOOOOO
Briefly explain how the Citric Acid cycle generates CO2 ATP, NADH and FADH Give the total theoretical yield of each of these molecules during this cycle for one glucose molecule oxidized
Answers
Citric acid cycle plays a role in the process of energy production and photosynthesis. When acetyl CoA coupled with oxaloacetate, a six-carbon molecule citrate is formed. Oxidation reaction takes place and transferring the electrons to NAD+ to produce NADH to release CO2. Oxidative phosphorylation leads to the phosphorylation of ADP thereby producing ATP.
The cycle produces 2 CO2 molecules. One molecule of ATP is being produced in every turn of the cycle. The energy yield by complete oxidation of glucose are the following:
2 FADH2 from the citric acid cycle will yield 2 ATP per FADH2 and 4 ATP
6 NADH from the citric acid cycle will yield 3 ATP per NADH and 18 ATP
Explain how deforestation affects the overall fertility of the impacted land?
Answers
Most of the soil fertility indicator were affected resentfully by deforestation. More than half of the organic matter was also lost due to deforestation that leads to the decline on soil quality or land productivity capacity. Climate change, desertification, soil erosion, fewer crops, flooding,and increased greenhouse gases in the atmosphere are the effect of the loss of trees and other vegetation. Deforesttion gives a big variation in soil properties. Decreased in vegetation gives rise to soil erosion. The upper layer of the soil is disclosed and humus and nutriets are extracted. It decreases the water holding capacity of soil and nutrients are depleted.
Suppose a submarine is changing depths. Which direction could the
submarine move to go from an area of lower pressure to an area of higher
pressure?
OA. From a trench to the twilight zone
OB. From the deep ocean to a trench
OC. From the deep ocean to the twilight zone
D. From the twilight zone to the ocean surface
Answers
differentiate between Plant and Animal cell. Please tell fast in big.
Answers
Answer:
The major differences between the plant cell and animal cell are mentioned below:
Plant Cell: Animal Cell :
Cell Shape Cell Shape
Square or rectangular in shape Irregular or round in shape
Cell Wall Cell Wall
Present Absent
Explanation:
Which of the following is true about the sugar molecules in plants
1. The sugar molecules are made by plants and animals for energy
2. The sugar molecules are the result of a chemical reaction called photosynthesis
3. The sugar molecules are used by the cells as energy
4. The sugar molecules are made from molecules of water and carbon dioxide during cellular respiration
Answers
Answer:
2
Explanation:
Plants make sugar from the sun, water, and carbon dioxide in the air. a chemicls reaction happens causing photosynthesis
When you consider the present and/or past environment of Mars, could you find all the requirements for life?
Answers
Answer:
no
Explanl
l vidaal atiense
immunofluorescence analysis of mitochondria in control and mutant cells gives you the following images. mitochondria in wildtype cells are more linear than those in mutant cells. which of the following proteins is most likely defective in this mutant?
Answers
The correct answer is A mitochondrial fission factor. It appears that the mitochondria of wildtype cells are more linear in form, whereas the mitochondria of mutant cells are more rounded or round. This implies that the protein is probably flawed in this mutation.
According to the available data, the altered shape of the mitochondria in the mutant cells points to a flaw in a protein essential for maintaining the shape of the mitochondria. A protein network called the mitochondrial reticulum, which is made up of many proteins including mitofusins and intermediate filaments, plays a crucial function in fusing the outer mitochondrial membranes and preserving the shape of mitochondria in normal cells.
The mitochondrial reticulum and other cellular pathways that control the shape of mitochondria may potentially contain other proteins that are faulty. It would be necessary to do more research, such as genetic testing or functional tests, to determine precisely which protein in the mutant cells is faulty.
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The complete question is:
Immunofluorescence analysis of mitochondria in control and mutant cells gives you the following images. Which of the following proteins is most likely defective in this mutant? Please note that mitochondria are labeled by expressing RFP-tagged TOM20, a commonly used mitochondrial marker protein; RFP: Red Fluorescent Protein
a) ATP Synthase
b) A mitochondrial fission factor
c) kinesin
d) alpha-tubulin
An organism having the genotype AaBbCcDdEe is self-fertilized. Assuming the loci assort independently, determine the following proportions:Part A: gametes that are expected to carry only recessive alleles.Express your answer using three decimal places.Part B: progeny that are expected to have a genotype identical to that of the parent.Express your answer using three decimal places.Part C: progeny that are expected to have a phenotype identical to that of the parent.Express your answer using three decimal places.Part D: gametes that are expected to be abCDE .Part E: progeny that are expected to have the genotype AabbCcDcE_ .Express your answer using three decimal places.
Answers
Part A: The probability of a gamete carrying only recessive alleles is (1/2)^5 = 0.03125. Therefore, the proportion of gametes expected to carry only recessive alleles is 0.031.
Part B: The probability of a progeny having the same genotype as the parent is (1/4)^5 = 0.00098. Therefore, the proportion of progeny expected to have a genotype identical to that of the parent is 0.001.
C: The probability of a progeny having the same phenotype as the parent is (3/4)^5 = 0.2373. Therefore, the proportion of progeny expected to have a phenotype identical to that of the parent is 0.237.
Part D: The probability of a gamete being abCDE is (1/2)^4 * (1/2) = 0.03125. Therefore, the proportion of gametes expected to be abCDE is 0.031.
Part E: The probability of a progeny having the genotype AabbCcDcE_ is (1/2) * (1/4)^4 * (1/2) = 0.00098. Therefore, the proportion of progeny expected to have the genotype AabbCcDcE_ is 0.001.
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the table shows data collected on pH level of an Adirondack lake from 1989 to 1996.
describe the the trend in pH level in lake over this 16 year period.
___________________________________________________________________________
Year pH level
1989. 6.7
1984. 6.3
1986. 6.4
1988. 6.2
1990. 5.9
1992. 5.6
1994. 5.4
1996. 5.1
Answers
The lake's pH has become acidic; in 1989, it was 6.7; by 1996, it had dropped to 5.1. This shows that the increase in the acidity which has several bad impacts on the lake water ecosystem and its community.
What happens when the freshwater becomes acidic?The freshwater ecosystem differs from the oceanic saltwater ecosystem in that freshwater contains phytoplankton, edible fish, and so on. The fresh water has a normal pH, but the pH decreases and induces acidity when the water is polluted with different chemicals, such as nitrogen oxide, sulfur dioxide, etc.
When acid rain happens due to man-made pollution, this further adds acidity to the fresh water, and as a result, the species that live in the lake are not able to live and breathe properly due to a lack of oxygen. The acidity in the table increased year after year from 1989 to 1996.
Hence, the acidity of the lake increased and the pH decreased in these years, from 1989 to 1996.
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How do specialized cells such as human trachea epithelium
help to maintain homeostasis? Use the following example:
When dust, dirt or bacteria enter the windpipe, what does
the body do to maintain homeostasis? (2 marks)
Answers
PSEUDOSTRATIFIED CILIATED COLUMNAR EPITHELIUM:
Note the ciliated, pseudostratified columnar epithelium lining the tracheal lumen. This epithelium is commonly referred to as "respiratory epithelium".
might this help you
BRAINILIEST PLEASE
How is the mechanism of hearing different if the handle of the tuning fork is held on the mastoid process instead of holding the tuning fork tines near the ear canal?
Answers
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The sound enters the inner ear directly when it is held on the mastoid process, which is a change in the hearing mechanism. It is done for Rinne test.
What is a tuning fork?A tuning fork is a U-shaped metal object that has a handle of metal below it. It is used in hearing tests.
Thus, the difference in the mechanism of hearing when it is held on the mastoid process is the sound gets directly into the inner ear. It is done for the Rinne test.
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Which of the following descriptions best fits the class of molecules known as nucleotides?O a nitrogenous base and a phosphate groupO a nitrogenous base, a phosphate group, and a pentose sugarO a pentose sugar and a purine or pyrimidineO a nitrogenous base and a pentose sugar
Answers
The nucleotides are the molecules monomers of the nucleid acids (DNA and RNA). They are formed by a nucleoside (a nitrogeous base and a pentose sugar) linked to a phospate group.
Succession continues until it reaches a ............... community.
Answers
Answer:
climax community
Explanation:
For a ________ trait to be observed, both parents must have the allele for that trait and pass it on to their offspring.
Answers
Answer: For a recessive trait to be observed, both parents must have the allele for that trait and pass it on to their offspring.
Botanical name of the host plant
Answers
The botanical name of the host plant is Musa acuminate.
A banana is a fit for human consumption fruit produced by means of several kinds of large herbaceous flowering plant life within the genus Musa. The scientific names of the main cultivated bananas are Musa acuminaia, Musa balbisiana and Musa paradisiaca.
The botanical name of a plant is the scientific Latin name figuring out the genus and the unique species. The motive that is finished in horticulture is because even as the Latin or medical call of a plant never varies, the local not unusual name once in a while does. A botanical name can also be known as a medical name.
A botanical call is a proper clinical call conforming to the International Code of Nomenclature for algae, fungi, and flowers (ICN) and, if it issues a plant cultigen, the extra cultivar or group epithets should conform to the worldwide Code of Nomenclature for Cultivated flora.
A botanical name is a formal medical name conforming to the global Code of Nomenclature for algae, fungi, and flowers and, if it worries a plant cultigen, the additional cultivar or organization epithets ought to comply with the global Code of Nomenclature for Cultivated flora.
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What group of Echinoderms has penta-radial symmetry?
A.Sand dollar
B. Sea Cucumber
C.Sea Star
D. Sea Urchin
E. All of the above
Answers
Answer is E
Examples of Pentaradial Symmetry. In the animal
kingdom, there is only one known phylum that exhibits pentaradial symmetry, and that's the Phylum Echinodermata. Echinoderms include sea stars (or starfish), sea urchins, sea lilies, sand dollars, and sea cucumbers.
Nasir is 12 years old. What outcome is MOST likely if his caregivers talk with him openly about sexuality?
He will soon come out as gay.
He will be less likely to contract an STI.
He will have sex by age 13.
He will marry by age 18.
Answers
He will be less likely to contract an STI.
Option B is the correct answer.
What is STI?STI stands for sexual transmitted infection. A sexually transmitted infection (sexually transmitted disease) is a serious condition that can develop after you have sex.
So if Nasir is 12 years old, and if his caregivers talk with him openly about sexuality, he will be well informed about dangers of premature sex and sexually transmitted disease.
Thus, he will be less likely to contract an STI.
The wrong choices in the given options are;
He will soon come out as gay.
He will have sex by age 13.
He will marry by age 18.
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What are the conditions that make changes in the tissues?
Answers
Answer:
Rheumatoid arthritis (RA)
Scleroderma.
Granulomatosis with polyangiitis (GPA)
Churg-Strauss syndrome.
Lupus.
Microscopic polyangiitis.
Polymyositis/dermatomyositis.
Marfan syndrome.
Explanation:
Palisade mesophyll cells have very large vacuoles.
Explain how water moves from the xylem in the leaf into these vacuoles.
Answers
Answer:
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1-Water is passively transported into the roots and then into the xylem. 2-The forces of cohesion and adhesion cause the water molecules to form a column in the xylem. 3- Water moves from the xylem into the mesophyll cells, evaporates from their surfaces and leaves the plant by diffusion through the stomata.
A
В
с
Which container has the least concentration of solutes?
O A
OB
О с
OD
Answers
Answer:
c
Explanation:
its c i took the test
how would you define the following terms to a
child?
1. stereotype
2. racism
3. discrimination
4. conformity
Answers
1. A stereotype is a belief or an idea about a group of people that may not be true for everyone in that group. For example, someone might think that all girls like to play with dolls, but not all girls like dolls. Stereotypes can be hurtful because they can make people feel like they're being judged unfairly.
2. Racism is when someone treats someone else unfairly because of their race or skin color. It's wrong to judge people based on things like their skin color or where they come from because everyone deserves to be treated with kindness and respect.
3. Discrimination is when someone treats someone else unfairly because of things like race, gender, religion, or disability. Discrimination can take many forms, such as not hiring someone because of their race, or not letting someone play a game because of their disability. It's important to treat everyone with fairness and kindness, no matter who they are.
4. Conformity is when someone changes their behavior or beliefs to fit in with a group. For example, if everyone in a class is wearing a certain type of clothing, someone might feel like they need to wear the same thing in order to fit in. It's important to remember that everyone is unique and it's okay to be different. Being true to yourself is more important than fitting in with a group.
Racism: Racism is when someone is mean or unfair to another person because of the color of their skin, their background or where they come from. This is very wrong and hurtful to others, and we should always treat everyone with kindness and respect.
Discrimination: Discrimination is when someone treats another person unfairly because they belong to a certain group, such as their religion, race, gender, or age. Discrimination is wrong and hurtful to others, and we should always treat everyone equally and with respect.
Conformity: Conformity means following what other people do or think, even if you don't really agree with it. For example, if all of your friends like a certain TV show, but you don't really like it, you might still watch it because you want to fit in. It's important to be true to yourself and not just follow what everyone else does, even if it can be hard sometimes.
Which of the following is the most like the Biblical concept of grace:
O A. a wage: something earned
B. a benefit, blessing, standing, or position given without being earned or deserved
OC a reward; something achieved
O D. a woman's name
Answers
Answer: B
Explanation:
Grace is the term Christians use to describe God's unconditional love for everyone, whether or not they have behaved as he wants them to. Because God's love is thought to bring redemption , some Christians believe that salvation does not need to be earned through good works.
Do we humans breathe carbon dioxide or oxygen
Answers
This is known as respiration. The cells of the body use oxygen to perform functions that keep us alive. The waste product created by the cells once they have performed these functions is carbon dioxide.
Cells are usually very small. Why is it an advantage to have many small cells instead of one very large cell?
Select all that apply.
b
OOOO
Having a larger volume lets the organelles float around more.
The surface area of the cell determines how much material can be moved in and out.
The larger surface area prevents material from moving in and out of the cell.
It is important for cells to be able to move material in and out of the cell.
c
d
Answers
Answer:
C.
Explanation:
which of the following is a correct statement about the event of the cell cycle
Answers
Answer:
The answer which is a correct statement about the events of the cell cycle is 4) Interphase consists of the G1, S phase, and G2 phase - it also consists of G0 phase, but that is not included in this option
Answer:
i/d/k
Explanation:
PLEASE HELP ME What do all animals, including vertebrates and invertebrates, have in common?
Question 1 options:
They have backbones, internal skeletons, and muscles.
They are heterotrophs that must get their food from plants or other animals.
They have lungs or gills for breathing.
They are endothermic (warm-blooded).
Answers
Answer: They are all heterotrophs I believe.
Explanation:
How does the abundance of a resource, and whether it is renewable or nonrenewable, affect how much it is used?
Answers
Answer:
Well obviously if it is renewable there will be an abundance of it. Resources such as wind, sun, and water can be used repeatedly and therefore is used more than non-renewables. Non-renewables such as coal is being used faster than the rate of creation, which will affect how much it is used
Explanation:
yes
A studen is completing a Punnett square for trait (X/x) that is autosomal and inherited by the dominant allele. The father does not have it but the mother does. If they have two children, a son and a daughter, what would the completed Punnett square look like
Answers
In the observation, there is a 50% chance for each child to inherit the trait, (X/x) that is autosomal and inherited by the dominant allele.
What is autosomal dominant inheritance?Autosomal dominant inheritance is the way of passing genetic traits from parents to children.
The cross between Xx and xx.
Creating offspring with having 50% probability of having this character.
While the father xx lacks the feature, the mother XX does.
The cross is attached in the image below.
There are only two genotypes, Xx and xx, which occur equally frequently.
Therefore, the children have a 50% chance of inheriting the characteristic.
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