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An ostrich egg weighs about 1.4 kg (3 lb) is about 15 cm (6 in.) in length. Like all other eggs, an ostrich egg is made up of only one cell. What substances comprise an ostrich egg?

Answers

Answer 1
Ostrich eggshell is composed of 96% crystalline calcite and 4% organic material, mostly proteins. The thickness is made up of three different layers that vary in structure and thickness. The hardness of the shell is 3 on the Mohs scale. Pretty solid!

Related Questions

Raul has scraped his knee and noticed that after a week it had almost completely healed. Raul wondered how the skin was able to repair itself while looking exactly the same as his non-injured skin. In 3-5 sentences explain how mitosis plays a role in healing skin after injury and is able to maintain the look of the existing, non-injured skin.

Answers

Cells are created via cell department. And mitosis is an vital a part of this process. Mitosis creates equal copies of cells.

For example, it creates new pores and skin cells to update lifeless pores and skin cells. Interphase has 3 stages: G1, S and G2. During the G1 stage, the cell prepares for department via way of means of growing its mass. During the S stage, the cell synthesizes greater DNA. And at some point of the G2 stage, the cell synthesizes proteins because it keeps to grow. Before it is able to divide, a cell additionally wishes to have its lengthy uncoiled strands of DNA condensed into chromosomes. Otherwise, cell department might be like looking to break up a plate of spaghetti in half. Chromosomes are manufactured from bundles of DNA and protein. This makes them a lot simpler to transport around.

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Why is there white fluff in my sea monkey Tate
Are they all dead?

Answers

Answer:

If you notice white spots, almost like cotton balls, in the tank water, you should try to remove them as soon as possible. They are a type of bacteria that can kill your sea monkeys. Use a small spoon to get them out of the tank and dispose of them.

Answer: It depends..

Explanation:

The white fluff could either be bacteria like fungus OR it could be white algae. It also could be Debris from the sea monkey itself

A cell is mutated so that adenylyl cyclase is inactive. What would be the most likely result of this experiment

Answers

The correct option is B;  Cyclic AMP is no longer able to serve as a secondary signal.

Cyclic AMP (cAMP) functions as an intracellular second messenger for several hormones and neurotransmitters. Elevated cAMP levels in T cells limit T cell activation by reducing T cell proliferation and lowering the generation of IL-2 and IFN-.

After partial sciatic nerve ligation, inhibition of the cyclic adenosine monophosphate pathway lowers neuropathic pain and phosphorylation of cyclic adenosine monophosphate response element-binding in the spinal cord. Table of contents for Ansty Analg.

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Full Question;

A Cell Is Mutated So That Adenylyl Cyclase Is Inactive. What Would Be The Most Likely Result Of This Experiment?

A. Cyclic AMP is overexpressed and the secondary signal is not able to be turned off.

B. Cyclic AMP is no longer able to serve as a secondary signal.

C. IP3 is overexpressed and the secondary signal is not able to be turned off.

D. IP3 is no longer able to serve as a secondary signal.

Which evidence causes most scientists to believe that seafloor
spreading occurs at the mid-Atlantic Ridge?
А
Oceanic crust is oldest at the ridge.
B
Large sedimentary folds exist in the mantle near the ridge.
Oceanic crust on both sides of the ridge is less dense than
continental crust.
D
Oceanic crust on both sides of the ridge shows matching
patterns of reversed and normal magnetic polarity.

Answers

Answer:

Oceanic crusts on both sides of the ridge shows matching patterns of reversed and normal magnetic polarity.

Explanation:

Mid-Atlantic Ridge is a collection of mountains that settle at the bottom of the ocean. These mountains are the result of the movement of the plates. The breakdown of these mountains was very important to give truth to the theory that defended the existence of the expansion of the ocean floor and continental drift. That's because by looking at the mid-Atlantic Ridge, scientists were able to see that the oceanic crusts on both sides of the mid-Atlantic Ridge had patterns corresponding to normal and reverse magnetic polarity. This was the basis for perceiving the movement of the ocean's bottom in random directions.

3. Set up the simulation in the following manner. a) On the Data tab, check all boxes except those of the red lionfish and the crown-of-thorns starfish. b) Zoom out from the graph by clicking on the minus sign (–) on the right side of the graph. Continue clicking the minus sign until the graph shows 100 years on the x-axis. c) On the Conditions tab, set the storm severity to 20%, ocean temperature to 27°C, and ocean pH to 7.6. d) Run the simulation. e) Take a snapshot of your graph, and then copy and paste it into the space below.

Answers

Answer:

This the picture using the directions asked.

Explanation:

I just used the directions and put it in the simulation I hope this works for you!

The bar graph shows the average number of daylight
hours by month for one location.
Average Number of Daylight Hours
Hours between Sunrise and Sunset
16:48
14:24
12:00
9:36
7:12
4:48
2:24
0:00
Jan.
Feb.
Mark this and return
Mar
Apr.
May
Jul.
Aug Sep Od
Jun.
Month
Nov.
Dec.
Which statement is best supported by the data?
O This location has more hours of daylight in winter than
in summer.
O May has fewer hours of daylight than August.
April and September have the most hours of daylight.
OHours of daylight increase from January to June and
then start to decrease.

Answers

The information displayed in a bar graph shows that the number of daylight hours increases during January to June after it starts to decrease.

Explaining a bar graph

A bar graph is a graphical depiction of information, amounts, or number using bar or strips. They are employed to contrast and compare various data kinds, frequencies, or other measurements of several categories of data.

Why do we employ bar charts?

The bar graph makes it simple to compare various data sets among various groups. The relationship is depicted using two axes, with the discrete values over one axis and the categories on the other. The graph displays the key alterations in the data over time.

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What is a pathogen?

A. A microorganism that helps in digestion
B. A microorganism that causes diseases
C. An organism which is harmed by fungi
D. An organism which is harmed by a virus
plz help <3

Answers

Answer:

I'm pretty sure the answer is b

Answer:

B

Explanation:

Pathogenic viruses are viruses that can infect and replicate within human cells and cause diseases.

Hope it helps :)

Where most ATP is created in mitochondria?

Answers

Most ATP is produced in the mitochondrial matrix, which is the fluid-filled space inside the inner membrane of the mitochondria.

The process of ATP production in the mitochondria is called cellular respiration. It starts with the breakdown of glucose and other molecules in the cytoplasm by the process of glycolysis, which generates a small amount of ATP. The majority of the ATP is generated in the Mitochondria during the process of oxidative phosphorylation, where the electrons from the breakdown of glucose are passed through a series of protein complexes in the inner mitochondrial membrane, which generates a proton gradient that drives the production of ATP via ATP synthase.

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1. Jim and his wife have been trying to have a baby. Their doctor ran numerous tests and concluded that Jim should wear looser fitting pants. Explain why this is probably good advice.

Answers

Wearing tighter fitting pants can restrict the blood flow to the reproductive organs, which can lower the sperm quality and make it more difficult to conceive. Looser fitting pants can improve the blood flow to the reproductive organs and help to increase the quality and quantity of sperm, making it easier for Jim and his wife to conceive.

1. What is the best most obvious observation from this photo that this is a pond or lake
2. What evidence is there of the abiotic factor of sunlight in this ecosystem?
3. What producer supports the food chains in this ecosystem?
4. What would this ecosystem look like if nutrias were present?
5. What type of human activity could negatively impact this ecosystem? how?

Answers

Answer:

how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​

Explanation:

In RNA editing spliceosomes change the base sequence of the primary transcript and therefore the protein for which it codes. a combination of spliceosomes and enzymes creates different primary RNA transcripts from the same DNA sequence. different spliceosomes in different cells create different RNA sequences from the same primary transcript. enzymes change the base sequence of the primary transcript and therefore the protein for which it codes. microRNAs in different cells create different primary RNA transcripts from the same DNA sequence.

Answers

Answer:

enzymes change the base sequence of the primary transcript and therefore the protein for which it codes.

Explanation:

RNA editing refers to the post-transcriptional mechanisms by which nucleotide modifications are introduced into an RNA chain. The RNA editing processes exclude modifications produced during RNA splicing and polyadenylation. For example, deamination is an RNA editing mechanism by which an amine group from cytidine is removed by specific cytidine deaminase enzymes, thereby resulting in uridine (C to U).

Explain how the nucleotides dATP, dCTP, dGTP and dTTP serve both as a substrate and an source of energy for DNA polymerase.

Answers

DNTP stands for deoxyribose nucleotide triphosphate hired in PCR to extend the developing DNA strand. dATP, dTTP, dGTP and dTTP are 4 not unusual place dNTPs utilized in PCR.

The characteristic of dNTPs in PCR is to extend the developing DNA strand with the assist of Taq DNA polymerase. dNTPs include 4 fundamental nucleotides—dATP, dCTP, dGTP, and dTTP—as constructing blocks of latest DNA strands. These 4 nucleotides are commonly brought to the PCR response in equimolar quantities for highest quality base incorporation. Nucleotide triphosphate utilized in each DNA replication. That is DNTPS and transcription. That is anti pius due to the fact each replication and transcription are persistent techniques and the excessive dialysis of a bond withinside the NTP or D NTP is exotic, which lets in for our couple response.

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Soil formation is dependent on a number of factors. True or false

Answers

Answer:

true it depends on the weather,the decomposition of the rocks

True it depends on several things

Imagine you are playing baseball and a line drive comes out of nowhere. You do not even realize till the last second that it is heading for your face! explain the reflex type of movement you would experience. Describe the nervous system's reaction from sensing the stimuli to response. ​

Answers

When a line drive unexpectedly comes barreling towards you on the baseball field, your reflexes take over.

Your nervous system quickly senses the stimuli of the incoming line drive and sends a signal to your muscles to move out of the way.

You may not even notice the ball coming until the last second, but your body instinctively knows to act quickly and respond.

You may duck, jump, or move to the side to avoid the ball, all in a fraction of a second. This is the result of your body's reflexive response to the stimuli it has received. Without thinking, your body is able to react and protect you from harm.

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Summarize how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​

Answers

Answer:

how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.​

Explanation:

Which Process occuaring in plants provides energey to other organisams in the ecosystem?

Answers

Photosynthesis

Plants turn water, sunlight, and CO2 into carbon compounds.

They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel.

Guiding Question:

Would this DNA strand function in a living organism? Explain with a CER format.

Legends:

S-Deoxyribose

A, G, C, T-Nitrogen bases

P-Phosphate group

Answers

This DNA strand won't function in a living organism because of the incorrect matching of the base pairs which will distort the structure of  the molecule.

What is DNA?

This is referred to as deoxyribonucleic acid and it is the genetic material of most living organisms.

Claim - A-G , C-T were paired in the example given.

Evidence - Under normal circumstances, the nitrogen-containing bases adenine (A) and thymine (T) pair together, and cytosine (C) and guanine (G) pair together.

Reasoning - Since the base pairs aren't correctly matched then there will be a distort the structure of  the molecule which could cause genetic diseases.

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Which neurologic disorder is characterized by a protein detaching from neurons causing the cortical nerve cell processes that become twisted and dilated

Answers

The correct option is C ; Alzheimer disease , Alzheimer's disease is a brain illness that gradually deteriorates memory and cognitive skills, as well as the ability to do fundamental tasks.

The majority of people get Alzheimer's disease symptoms later in life. Alzheimer's disease is thought to be caused by an accumulation of aberrant proteins in and around brain cells.

Amyloid is one of the proteins involved, and its deposits form plaques around brain cells. Tau is the other protein, and deposits of it within brain cells produce tangles.

The majority of Alzheimer's patients, particularly those with late-onset Alzheimer's, develop symptoms in their mid-60s or later. Early-onset Alzheimer's disease occurs when the illness manifests itself before the age of 65., though this is uncommon.

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Full Question  

Which neurologic disorder is characterized by cortical nerve cell processes that have become twisted and dilated?

a. Dementia syndrome

b. Delirium

c. Alzheimer disease

d. Parkinson disease

Advantages and disadvantages of Biomass energy in our social world

Answers

The advantage of bioenergy is a reliable type of renewable energy where harvesting biomass for electricity can also help us reduce waste but the disadvantage when compared to other sources of electricity, is the cost of collecting, transporting and storing biomass which can be expensive to do.

What is Biomass energy?

Biomass is defined as plant-based material which can be used as a fuel for heat or electricity generation that includes wood, wood residues, energy crops, agricultural residues, and waste from industry, farms, and households.

This energy is the use of organic matter to generate electricity where energy is produced by burning organic matter that comes from plants and animals.

Thus, the advantage of bioenergy is a reliable type of renewable energy where harvesting biomass for electricity can also help us reduce waste but the disadvantage when compared to other sources of electricity, is the cost of collecting, transporting and storing biomass which can be expensive to do.

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What describes natural rights?

Answers

Natural rights are those that are independent of the laws or customs of any particular culture or government, and so are universal, fundamental and inalienable

These rights were bestowed by God and cannot ever be taken away or even ceded. These fundamental natural rights are "life, liberty, and property,"

Human laws cannot nullify them, but an individual can lose the ability to enjoy them by acting in a certain way, like by wrongfully abusing the rights of others.

Natural rights are not generally embraced, in part because of their apparent incoherence and religious connotations.

Some philosophers contend that only legal rights exist and that there are no natural rights; for example, Jeremy Bentham referred to natural rights as "simple nonsense."

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What type of expense are food clothing and medical expenses?

Answers

Answer:

These are variable expenses.

Explanation:

These are needs. They are necessary because one can't survive without them.

Why are the 5 main food groups important?

Answers

The 5 main food groups helps in providing wide array of nutrition to the body, that helps to promotes healthy life style and also minimizes the risk of stoke and life threatening diseases . These food groups can also helps to add flavors and texture that making eating more interesting .

Hence , if we talk about individual functions of food groups they include ,Carbohydrates are body's primary source of energy or preferred energy source. Carbs are generally broken down by the body into glucose which is also a type of sugar. Protein are responsible to work with cells for maintaining proper structure, function, and regulation of the body's tissues and organs. vegetables and fruits helps lower blood pressure, reduce the risk of heart disease and stroke, prevent cancers. Fats store energy and protect vital organs .

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A follow-up experiment revealed that the genetic content of the bacterial cells was altered by the transfer of material from the phage. This process is best described as:

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A subsequent investigation uncovered that the hereditary substance of the bacterial cells was modified by the exchange of material from the phage.

Transduction is the interaction by which an infection moves hereditary material starting with one bacterium and then onto the next. Infections called bacteriophages can contaminate bacterial cells and use them as hosts to make more infections.

Lysogeny can change the aggregate, wellness, and advancement of the bacterial host cell. On account of bacterial microorganisms, prophages permit the procurement of new characteristics, for example, destructiveness factors which thusly may work on the host's wellness.

It is the interaction by which phages can bundle any bacterial DNA (chromosomal or plasmid) and move it to another bacterium. The transducing particles of this method of transduction structure when bacterial host DNA is bundled into phage heads rather than viral DNA.

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which structure is the statement below most likely referring to?

Answers

Explanation:

where is the required statement???

No, a child with type B blood would not be the result of two parents with type A blood regardless of the genotypes because with type A blood there's only Type A antigens.
True or False

Answers

Answer:

true

Explanation:

the answer is trueeeeeeeeee

The answer you are looking for is: TRUE.

I hope you have a great day and find something that makes you smile! Make sure to take mental health breaks and stay smiling :)

Which of the following conclusions can be made from this experiment?

Answers

Explanation:

what experiment....??

______ hormones are synthesized from cholesterol and differ mainly in the functional groups attached to the four-ringed backbone.

Answers

Steroid hormones are synthesized from cholesterol and differ mainly in the functional groups attached to a four-ring backbone.

Hormones are chemical substances made by special cells of the endocrine glands to send various messages throughout the body. Hormones spread throughout the body through the blood vessels to affect various systems and processes that occur in the body

Steroid hormones are steroids that work as hormones and are generally synthesized from cholesterol in the gonads and adrenal glands. The form of this hormone is lipid and has special messengers in the form of globulins. The function of steroid hormones is to regulate the body's metabolic processes and play a role in maintaining the balance of water and mineral salts in the body.

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What is the net ATP produced during glycolysis ?

Answers

Both anaerobic and aerobic conditions can result in glycolysis. Pyruvate enters the citric acid cycle under aerobic conditions and undergoes oxidative phosphorylation, producing a net of 32 ATP molecules.

In the end, glycolysis divides glucose into two pyruvate molecules. Glycolysis can be thought of as having two stages that take place in the cytosol of cells. Due to the use of two ATP molecules, the first phase is known as the "investment" phase, while the second is known as the "payoff" phase. Each of these processes is performed by a different enzyme, with phosphofructokinase serving as the most crucial regulator because it regulates the rate of glycolysis.

Aerobic and anaerobic conditions both result in glycolysis. Pyruvate enters the citric acid cycle and goes through oxidative phosphorylation, which results in the net synthesis of 32 ATP molecules under aerobic conditions. Pyruvate is transformed to lactate in anaerobic environments by anaerobic glycolysis. Two ATP molecules are produced during anaerobic respiration. Cell cytosol is the location of glycolysis.

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How nutritional information from food labels is used to identify if each of the products is high low or neither in terms of fat sugar and salt content?

Answers

Explanation:

Food labels always state the sugar, fat and salt content in percentage or per 100 grams or per serving to help consumers in their selection of products.

what do wee call a deer with no eyes?​

Answers

Answer:

No idear?

Explanation:

Answer:

No eye deer

Explanation:

In my perspective there's no name for it

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will mark brainliest 0.25k+1.5k3.5 combine like terms Throw a paper ball towards a hard wall. a) Did the wall apply force on the ball? If yes, then what is the name of the force? b) What are the effects of the force applied by the wal Plss help me!! ASAP, first answer gets Brainlist! Here your choices, : Quadrant I, Quadrant II, Quadrant III, And Quadrant IV. Is maths hard or easy? Part AGEOMETRY Consider a trapezoid that has one base that measures five feet greater than its height. The other base is one foot less than twice its height. Let x represent the height.a. Write an expression for the area of the trapezoid.A=(blank)x^2 +(blank)x ft^2PART B Write an expression for the area of the trapezoid if its height is increased by 4 feetA=(blank)x^2+(blank)x+(blank)ft^2 Explain briefly what is the branch of biologuy and the role Question (1 point)Given the model, answer the following questions regarding effusion. The orange spheres have a greater root-mean-square speed than the blue spheres. Assume the balloon has a tiny opening for gas molecules to escape.1st attemptPart 1 ( 0.5 point)See Periodic Table See HintWhich balloon, A or B, most accurately illustrates the effusion of a gas from the central balloon?Calculate the relative rate of effusion for the orange to blue spheres. The root-mean-square speed for the orange spheres is 495.0m/s. The root-meah-5quare speed for the blue spheres is 380.0m/ s. Describe the three types of mammals. Give examples of each. How is reproduction/offspring different in each? If a person lives at high altitudes for an extended period of time, other body responses occur. One response is an increase in the number of red blood cells. C. Explain how this response is helpful to the body. At high altitudes, air temperature is also generally colder than at sea level. D. Describe and explain one internal body response that occurs when a person has been outside long enough for his core temperature to drop. Three people are sitting on a bus. Julian is seated 4 meters directly behind Elena and 3 meters directly left of Isabella. How far is Elena from Isabella? are learners under too much pressure to perform? prepared speech Find m (angle) 1 . Then classify the triangle by its angles.M (angle) 1 = A line pae through the origin and through point A(2, b 14) and B(14 b, 72). What i the greatet poible value of b? Part A) based on your answer to answer to part a, are there any values that can be eliminated from the solution set In which type of mass movement can soils behave like a liquid and start flowing? 15. Find the lengths of the sides of the kite KITE. (Answer in simplest radical form and show work) Determine the volume of the right cylinder-4.2 ft12.3 ftA. 324.59 ft.B. 1.996.22 ftC. 681.64 ftD. 2.726.55 ft. According to the text, when does Jack's family open presents and why? This has to be written in RACES format. Steel is an alloy containing Fe atoms and C atoms. Which of the following diagrams best represents the particle-level structure of steel ?