The picture above shows a microscopic view of an animal cell. Which of the following is an observation that can be made about the cell?
A.
The DNA in the cell codes for blue eyes.
B.
The cell is made up of several organelles.
C.
The cell is larger than the cell of a plant.
D.
The cell was taken from the liver of a cat.
Answers
Answer:
Awnser
Explanation:
The Awnser is C _________________
Related Questions
how do identify veins in our body
Answers
Answer:
Veins are blood vessels in humans, and most other animals that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. In contrast to veins, arteries carry blood away from the heart.
Explanation:
When the dude kicks a soccer ball, his knee joint is the axis, the force is generated by the quadriceps pulling on the tibia, and the resistance is the foot, lower leg, and ball; this is an example of which type of lever?
Answers
Answer:
c. Third-class lever
Explanation: is correct
Describe the relationship between the atmosphere and the geosphere regarding the movement of carbon.
Answers
Answer:
Several processes move carbon from the geosphere to the atmosphere. Volcanic eruptions release carbon dioxide from molten rock beneath the earth's surface. The production of cement that's used for homes, skyscrapers, streets and other hardscapes around the world releases an enormous amount of carbon dioxide.
Explanation:
What is a fishing bed
Answers
Which of the following processes does not contribute to carbon cycling?
A. Condensation
B. Photosynthesis
C. Combustion
D. Respiration
Answers
Answer:
A. Condensation
Explanation:
Condensation is the process that does not contribute to carbon cycling. It is the process by which water vapor in the air is changed into liquid water.
Answer:
A. condensationExplanation:
#carry on learning
Which statement best represents the way the köppen climate system, environmental determinism, and possibilism are related?.
Answers
Where does respiration take place?
Answers
Answer: respiratory system
Explanation:
The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide
Respiration happens in the cells of plants, animals and humans, mainly inside mitochondria, which are located in a cell's cytoplasm. The energy released during respiration is used by plants to make amino acids, and by animals and humans to contract their muscles to let them move.
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NO Links!!, Please HURRY How does the frequency of a wave relate to the wave's wavelength?
O The higher the frequency, the shorter the wavelength. This is because they have a direct relationship.
O The higher the frequency, the longer the wavelength. This is because they have a direct relationship.
O The higher the frequency, the shorter the wavelength. This is because they have an inverse relationship.
O The higher the frequency, the longer the wavelength. This is because they have an inverse relationship.
Answers
Answer:
Explanation:
What questions should you ask when analyzing how a character develops a theme? Check all that apply.
How does the character react to conflict?
How is the character changed by conflict?
When does the climax occur in a play?
Is the theme relatable to people around the world?
What lessons does the character learn based on the resolution of the conflict?
Explanation: As you go up in frequency the wavelength will get shorter
How would air pollution affect the lives and/or livelihoods of those in the open markets of India?
Answers
Answer: It can make them sick and cause sickness or death and can make their businesses lose money.
Explanation:
The health effects of air pollution are serious – one third of deaths from stroke, lung cancer and heart disease are due to air pollution. ... Microscopic pollutants in the air can slip past our body's defences, penetrating deep into our respiratory and circulatory system, damaging our lungs, heart and brain.
Is it True or false?
Answers
enzymes are specific they will only fit with certain substrates explain why lactase can digest lactose but cannot digest other sugars like maltose and sucrose
Answers
Explanation:
your small your small intestines can't absorb either lactose or maltoseyou use different enzymes to digest the two sugars lactase break down lactose why an enzyme called sucrase-isomaltase breaks down maltose because enzyme are so specific with regard to function you can't break down maltose with lactose or vice versa
Lactase breaks down only lactose in food in our body can absorb it not maltose and sucrose as enzymes are specific in nature.
what are the properties of an enzyme ?Enzymes are protein which act as a catalysts and speed up the rate of biochemical reactions with out changing the structure of the final product.
Enzymes can control the speed and specificity of the chemical reaction, and the rate of biochemical reaction often influences enzymes and they can take place at a relatively low temperature; it lower the activation energy.
The enzyme activity pH specific, that is at a particular pH, each catalyst is most active for example at PH 2 for pepsin, pH 8.5 for trypsin, for example.
Both enzymes have active sites which can activate biochemical reactions. It is soluble in water, dilute glycerol, NaCl, and dilute alcohol.
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Clouds form when the water vapor in air condenses as
Answers
Answer:
Clouds form when the invisible water vapor in the air condenses into visible water droplets or ice crystals. For this to happen, the parcel of air must be saturated, i.e. unable to hold all the water it contains in vapor form, so it starts to condense into a liquid or solid form.
Explanation:
Which event is caused by gravity
1.Water enters an aquifer through infiltration
2. Water exits a person through perspiration
3. Water changes from ice to liquid water through melting
4.Water moves from the atmosphere to a glass surface through condensation
Answers
Answer:
1 water enters an aquifer through infiltration
How do you know that flowers have undergone fertilizer even before they turn into fruits?
Answers
Answer:
we can know for eg an apple when u buy it and scrape the skin of the apple if you wind some waxy substance from it we can say this has been done to increase the shine so customers think this is a good apple and please do was fruit and vegetables after buying them throughly.
what species do we consider good and which ones are bad
Answers
Answer:
We may consider bees good because they pollinate the plants that give us food crops. We may consider mosquitos bad because they can transmit malaria.
Where does energy go in respiration
Answers
Answer:
Summary. Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.
How was Dr. Martin Luther King , Jr. , an important force in creating a more just world ?
Evidence and reasoning plz
Answers
Martin Luther King, Jr. worked hard to bring greater equality to America and ensure civil rights for all people, regardless of race.
7)When a body cell divides through the process of mitosis, the chromosomes in the daughter cells *
10 points
are formed when chromosomes from the parent cell cross over.
are identical to the chromosomes of the parent cell.
represent only the healthiest chromosomes from the parent cell.
represent only half of the chromosomes in the parent cell.
8)Before a cell enters mitosis, what happens to the genetic information in that cell? *
10 points
The information is duplicated.
The information is selectively mutated.
The information is halved.
The information is completely changed.
9)Which of the following best describes how mitosis is related to cellular reproduction? *
10 points
Mitosis is a phase in asexual reproduction that results in the formation of similar, but not identical, nuclei in the daughter cells.
Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of similar, but not identical, nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of identical nuclei in the daughter cells.10)Which of the following occurs during the interphase stage of the cell cycle? I. DNA is replicated. II. The cell divides. III. The cell grows in size. *
10 points
II only
I and III only
I, II, and III
I and II only
11)A diagram of the cell cycle is shown below. Which of the following statements best describes what happens during the S phase of the cell cycle? *
10 points
Captionless Image
The cell's chromosomes separate.
The contents of the cell divide.
The cell's DNA is replicated.
The cell prepares for mitosis.
12)At a point during a cell's development, it begins to differentiate. How does differentiation occur? *
10 points
Certain genes are turned on and others are turned off; this action produces adult cells that are specialized
As a cell matures, genes that are not necessary to its function are ejected out of the cell through active transport.
The number of chromosomes in the cell is reduced by half; this action triggers the specialization of the cell.
A developing cell's function is determined by the number of organelles that are contained in the cell.
Answers
Through the mitotic process, two identical diploid daughter cells are produced. Mitosis is preceeded by the interphase and followed by cytokinesis. 7) b. / 8) a. / 9) b. / 10) b. / 11) c. / 12) a.
-------------------------------------------------
The interphase occurs before cell division. It is composed of the G1, S, and G2 stages.
During the G1 stage, the cell duplicates in size. The organelles and other cytoplasmatic structures duplicate. The high intense biochemical activity is characteristic of this stage. During the S stage occurs the DNI molecule replication process. At this point, also happens the synthesis of histones and other associated proteins. The G2 stage is the final one before the cellular division. Here begins the slow process of DNI condensation. Duplication of centrioles completes. Structures such as spindle fibers are assembled.
Mitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced.
Daughter cells are identical to the original cell.
Mitosis occurs in only one phase, divided into four stages.
In the prophase, it occurs chromosomes condensation and nuclear membrane breaks. During the metaphase, chromosomes are taken toward the center of the cell by the spindle apparatus. Once in the equatorial plane, chromosomes line up.Each chromatid joins with a microtubule of opposites poles.
In Anaphase, bonds between chromatids break. They separate and migrate to the opposite poles. In telophase, duplicated chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole.Finally, cytokinesis occurs.
*************************************
Now, according to this theoretical framework, we can answer the questions.
7) b. are identical to the chromosomes of the parent cell.
8) a. The information is duplicated.
9) b. Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
10) b. I and III only
11) c. The cell's DNA is replicated.
12) a. Certain genes are turned on and others are turned off; this action produces adult cells that are specialized
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a bacterium is infected with an experimentally constructed bacteriophage
Answers
The complete question is:
a bacterium is infected with an experimentally constructed bacteriophage composed of the T2 phage protein coat and T4 phage DNA. The new phages produced would have
A) T2 protein and T4 DNA
B) T2 protein and T2 DNA
C) a mixture of DNA and proteins of both phages.
D) T4 protein and T4 DNA
E) T4 protein and T2 DNA
A bacterium infected with an experimentally constructed bacteriophage will give new phages with the virus' DNA and the type of proteins that this DNA encodes.
A bacteriophage is a virus that attaches itself to a bacteria and uses it to replicate itself. Viruses have two main parts, a protein coat and their DNA inside it.
The experimentally constructed bacteriophage has one type of protein that makes the coat, the T2. This type of protein will allow the virus to attach and infect the bacteria. Once the virus attaches itself to the bacteria, it will introduce its DNA, T4 type, and use the bacteria elements to replicate it and create new phages.As a result, the new phages will have T4 DNA, and the proteins that the virus synthesizes will be the same type as the DNA.
In conclusion, The new phages produced would have D) T4 protein and T4 DNA.
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Question 7 of 10
What is the difference between a scientific law and a scientific theory?
O A. A scientific law has been proved with scientific evidence. A
scientific theory can change when new evidence is found that
does not support the theory.
B. A scientific law is supported by research. A scientific theory is only
an educated guess.
C. A scientific law describes how natural events happen. A scientific
theory is an explanation of natural events.
D. A scientific law involves mathematics. A scientific theory is a
description based on observations.
Answers
Answer: I belief its B. A scientific law is supported by research. A scientific theory is only an educated guess.
-Like theories, scientific laws describe phenomena that the scientific community has found to be provably true. Generally, laws describe what will happen in a given situation as demonstrable by a mathematical equation, where as theories describe how the phenomenon happens.
_____ is the natural, temporary absence of consciousness from which a person can be aroused by normal stimulation.
Answers
Answer:
Sleep
Explanation:
Which objects would cause refraction of light? (Select all that apply.)
prisms
magnifying glasses
wooden boxes
eyeglasses
Answers
Answer:
prisms
eyeglasses
Explanation:
i new the answer
have a great day ;)
For what percentage of the earth existance have hominids exsisted?
Answers
Answer:It took 13.8 billion years of cosmic history for the first human beings to arise, and we did so relatively recently: just 300,000 years ago. 99.998% of the time that passed since the Big Bang had no human beings at all; our entire species has only existed for the most recent 0.002% of the Universe
Explanation:
Without land regulations to protect rainforests, and continues to be destroyed using slash and burn methods Which environmental impact of rainforest deforestation makes rainforest species less resilient to
change?
Increased fire and drought
Increased pollution
Displaced inbes
Habitat fragmentation
Answers
Answer:
Increased pollution is your answer!
Explanation:
Increased pollution is your answer because:
1. ⇒ Burning of mostly anything creats, and all the materials in the forest are one of those materials that will create smoke. And smoke is made out of carbon dioxide, and other poisonous gases that are very bad for our atmosphere.
2. ⇒ The damage from the fire will also cause a lot of damage to the trees and plants. That is very bad because trees are very important for our environment, in their leaves, they have a chemical called chlorophyll, this chlorophyll absorbs sunlight and turns it into oxygen. Not only sunlight is needed, there is also, water, nutrients needed.
I hope I could help you today! Thanks!
Have a great day studying!
1. Transcription happens in the _______ and translation happens at the _________.
a. mitochondria, chloroplasts
b. chloroplasts, mitochondria
c. nucleus, ribosome
d. ribosome, nucleus
2. Proteins are long chains of _________ assembled by _____ bringing them to the ribosomes.
a. nucleotides, mRNA
b. mRNA, nucleotides
c. amino acids, tRNA
d. tRNA, amino acids
3. What are three amino bases on the mRNA strand that codes for a specific amino acid is? What is the complementary bases on a tRNA molecule called?
a. Genetic code, DNA
b. DNA, RNA
c. Codon, anticodon
d. bird, dog
Answers
Answer:
1. C
2. C
3. C
Explanation:
Hope this helps.
why not test for pathogens like salmonella directly rather than use an indicator organism such as a coliform?
Answers
Indicator organisms are organisms that are utilized to detect the presence of another organisms that cannot be easily identified.
We do not test for pathogens like salmonella directly but use an indicator organism like coliform because these pathogens are not easily isolated and they are much harder to identify.
Pathogens like salmonella are not tested for directly because they are much lower in numbers when found in wastes or waterbodies and to identify them directly is expensive.
Also testing directly for these micro-organisms is very expensive and non-viable. So it is better to use indicator organisms to detect their presence.
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Biologic resistance to pesticides occurs when the insects’ DNA undergoes a mutation. The resulting genes give future generations of the insects an immunity to the pesticide.
Which phenomenon would lead to biological resistance as shown in the model?
A
genetic drift
B
limiting factor
C
natural selection
D
speciation
Answers
Answer: C. Natural selection
Explanation: Pest species evolve pesticide resistance via natural selection: the most resistant specimens survive and pass on their acquired heritable changes traits to their offspring. ... Over 500 species of pests have evolved a resistance to a pesticide.
1. What charts, tables, or drawings would clearly show what you have learned in this lab?
Each chart, table, or drawing should have the following items:
a. An appropriate title
b. Appropriate labels
Answers
B. Appropriate labels
What does a plant need to create a glucose molecule in photosynthesis?
Choose all correct answers.
carbon dioxide
sunlight
water
oxygen
Answers
Answer:
sunlight
water
oxygen
Explanation: cuz i said
state the functions of vitamin d
Answers
Answer:
For maintaining healthy bones
It also helps the intestines to stimulate and absorb calcium
Answer:
Explanation:
Vitamin D is both a nutrient we eat and a hormone our bodies make. It is a fat-soluble vitamin that has long been known to help the body absorb and retain calcium and phosphorus; both are critical for building bone.
