Answer:
Three similarities between prokaryotic and eukaryotic cells are that both have vesicles, vacuoles, and the ability to carry out the eight functions of life. Prokaryotes do not have organelles.
Explanation:
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Describe the behavior of the chromosomes in then second division of meiosis.
Answer:
The typical behavior of chromosomes in meiosis is that homologous pairs synapse, recombine, and then separate at anaphase I. At anaphase II, sister chromatids separate. However, studies of small chromosomes in maize derived from a variety of sources typically have failure of sister chromatid cohesion at anaphase I. This failure occurs whether there is pairing of two copies of a minichromosome or not. These characteristics have implications for managing the transmission of the first generation artificial chromosomes in plants. Procedures to address these issues of minichromosomes are discussed.
Normal chromosomes enter into meiosis following DNA replication. The homologous pairs find each other in the process of synapsis. Recombination exchanges parts of the homologs involving two of the four chromatids present. Then in anaphase I, each member of the pair segregates to opposite poles and into the two cells resulting from meiosis I. In contrast to mitosis, the sister chromatids of each homolog remain attached to each other. At meiosis II the sisters now separate to opposite poles. The consequence of this sequence of events is that segregation of genetic markers on the two members of the pairs of homologs enter into different gametes that will eventually be formed after meiosis. However, small chromosomes as observed in maize do not follow these rules. In this review, we describe the information known about these minichromosomes and what they inform us about meiotic processes. Also, the behavior of small chromosomes impacts how engineered minichromosomes will behave and so information about them is important for practical applications as well.
What properties of photosynthetic pigments allow pigments to absorb light of only certain wavelengths? Select all that apply.
Light of any energy level can boost an electron of the pigment molecule to a higher energy level in order to be absorbed.
Only light with the correct wavelength to boost an electron of the pigment to a higher energy level is absorbed.
Some pigment molecules lack a light-trapping region.
All pigment molecules possess a light-trapping region with a special structure that allows electrons to move freely
between Its atoms.
The properties of photosynthetic pigments that allow pigments to absorb light of only certain wavelength is ; ( B and D )
Only light with the correct wavelength to boost an electron of the pigment to a higher energy level is absorbed.All pigment molecules possess a light-trapping region with a special structure that allows electrons to move freely between Its atoms.The Green pigment found in plants ( i.e. photosynthetic pigment ) that absorb light energy used by plants during photosynthesis is the chlorophyll. It absorbs light energy based on the wavelength of the visible light while reflecting visible green light due to its wavelength.
The reflection of the visible green light by the chlorophyll gives the plants leaves the green color it possesses.
Hence we can conclude that The property of photosynthetic pigments that allow pigments to absorb light of only certain wavelength is ; Only light with the correct wavelength to boost an electron of the pigment to a higher energy level is absorbed. and statement D.
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b) How do you know the students in the above study are acting as scientists? (1 point)
Answer:
Could you edit the question and add the study, please?
Explanation:
A dietician asks a patient about the food that the patient eats and makes the table below to summarize the results.MacromoleculeSuggested percentage of dietActual percentage of dietCarbohydrates45–65%70%Lipids20–35%5%Proteins10–35%25%Based on the table, what advice do you think that the dietician will give the patient?The patient should increase the amount of lean meats (proteins) and decrease the amount of oils in his or her diet.The patient should decrease the amount of lean meats (proteins) and increase the amount of oils in his or her diet.The patient should decrease the amount of rice and pasta and increase the amount of oils in his or her diet.The patient should decrease the amount of rice and pasta and increase the amount of lean meats (proteins) in his or her diet.
Explanation:
The patients to decrease lean meat and increase
The patient should increase the amount of lean meats (proteins) and decrease the amount of oils in his or her diet. Therefore, option "A" is correct.
What are macromolecules?Monomers are long chains of molecular subunits that comprise macromolecules, essentially polymers. Long polymers are present in proteins, carbohydrates, and nucleic acids. They are called macromolecules because of their large size and polymeric nature.
Macromolecules are able to speed up biochemical reactions, store and retrieve genetic information, provide structural support, and store fuel. The biological macromolecule is carbohydrates, lipids, proteins, and nucleic acids is an essential component of the cell.
Therefore, macromolecules are important for body function.
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35. Your body uses insulin to?
a help reduce blood sugar.
b. help increase blood sugar.
c. allow cells to take in glucose.
d. reduce homeostasis.
Answer:
C
Explanation:
Insulin is a hormone that helps control your body's blood sugar level and metabolism -- the process that turns the food you eat into energy. Your pancreas makes insulin and releases it into your bloodstream. Insulin helps your body use sugar for the energy it needs, and then store the rest.
Glucagon interacts with the liver to increase blood sugar, while insulin reduces blood sugar by helping the cells use glucose.
Drag the tiles to the correct boxes to complete the pairs
Potential energy is involved in each of these events. Match each event with its source of potential energy
a trampoline expands and contracts from
the weight of children
a chemical substance reacts with water to
give off heat
a skydiver jumps from a plane and free-falls
toward the ground
eravitational potential energy
elastic potential energy
chemical potential energy
Answer:
Refer to image
Academic Unit 3 test
When the concentration of molecules on both sides of a membrane is the SAME, the solution
O hypotonic solution
O cytotonic solution
O isotonic solution
hypertonic solution
Explanation:
The prefix iso- means same or equal.
When the concentration of molecules is equal on both sides of the membrane then is an ISOTONIC solution.
How does refrigeration of food prevent it from spoilage?
Refrigeration preserves food by slowing down the growth and reproduction of microorganisms as well as the action of enzymes which cause food to rot. Freezing food slows down decomposition by turning residual moisture into ice, inhibiting the growth of most bacterial species.
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3) Will there come a time when you can agree to population control in the US? Why or Why not?
Answer:
There could come a time when this writer would agree to population control. It is through the arena of education about overpopulation in the United States. With this in mind, people understand the effect this has on our economy as well as resources. In my opinion, education opens eyes to the actual situation. In other words, one must educate women about having children. Then, one can anticipate women getting an education, gaining financial stability, and having a smaller family rather than a large one.
Explanation:
an animal, that has gained new genetic information from the acquisition of foreign dna, is called a
Answer: Chimera
Explanation:
A genetic chimerism or chimera is a single organism composed of cells with more than one distinct genotype
The [blank] structures of the cytoskeleton are found in animal cells but not in plant cells?
Answer:
Animal cells have centrioles, centrosomes (discussed under the cytoskeleton), and lysosomes, whereas plant cells do not.
Explanation:
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what is the modification of plant?why are different parts of plants modified? write
please help:(
Answer:
what is the modifications of plants?ans -In some plants, the roots change their shape and get modified to absorb and transport water and minerals from the soil to different parts of the plant. They are also modified for support, food storage, and respiration. The root modifications perform two major functions- Physiological and Mechanical.
Cell Division: Parts of Nephron
Leaf Structure: Genotype Meaning
2.why are different parts of plants modified?
ans-Certain parts of a plant undergo modification in order to adapt to their surroundings and environmental conditions. These modifications help them in their survival against odds. For example, the leaves in a cactus plant are modified to spines to reduce the surface area and hence water loss by evaporation.
According to Kepler's second law of motion, which statement describes the area
swept out py a line between a planet and the sun?
It is constant if the planet moves at a constant speed.
O It increases as the planet moves away from the sun.
O It is constant for equal times.
OIt increases as the planet approaches the sun.
Answer: It is constant for equal times
Explanation: Just did the assignment
According to Kepler's second law of motion it is constant for equal times. The correct option is C.
What is Kepler's law?Kepler's laws of planetary motion, published between 1609 and 1619 by Johannes Kepler, characterize the orbits of planets around the Sun.
The speed of a planet in an elliptical orbit around the Sun is described by Kepler's second law of planetary motion.
It states that a line drawn among both the Sun as well as the planet shuffles equivalent regions in equal amounts of time.
As a result, the planet's speed increases as it approaches the Sun and declines as it fades away from it.
Kepler's laws of planetary motion represent a watershed moment in the transformation from geocentrism to heliocentrism.
They establish the first quantitative link among the planets, together with Earth. They also represent a time when the important questions of the day were changing.
Thus, the correct option is C.
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what anaerobic pathway in cellular respiration generates atp from the breakdown of glucose?
Glycolysis. Glycolysis is an an anaerobic reaction that does not require oxygen to breakdown glucose into 2 molecules of pyruvate and 2 net ATP.
P.S. This process is a catabolic reaction.
Se genera con el calor.
Answer:
3 it fier not one or tow it 3
Explanation:
this answer it 3 pants
how do chlorophyll pigments absorb energy from light?
Answer:
They do this through a process called photosynthesis, which uses a green pigment called chlorophyll. A pigment is a molecule that has a particular color and can absorb light at different wavelengths, depending on the color. ... The energy absorbed from light is transferred to two kinds of energy-storing molecules.
repurting of an artery is dangerous,why?
With regard to gender and the brain research has shown that
Answer:
variations between the sexes are smaller than variations within each sex
Explanation:
Which of the following statements are NOT true of micronutrients? a) They help regulate body processes.
b) They provide energy.
c) They help in the growth and maintenance of the body.
d) They are required in small amounts
Answer:
C
Explanation:
its easy
b)They provide energy statements are NOT true of micro nutrients
Do micronutrients control bodily functions?
Every single micronutrient is crucial for the health of your body's systems. Getting enough of the various vitamins and minerals is essential for good health and could even aid in the prevention of disease.
This is due to the fact that micronutrients are involved in almost every bodily process.
One of the most important vitamin categories that your body need are micronutrients. They contain minerals and vitamins. The creation of energy, immune system health, blood coagulation, and other processes all depend on vitamins.
In the meanwhile, minerals are crucial for a number of functions, including growth, bone health, fluid balance, and others.
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which disorder requires an exposure to a terrifying or life-threatening event to qualify for the diagnosis?
Answer:
i believe it would be ptsd
Hi there! Your answer is: PTSD.
Let's talk about how PTSD is formed, though. PTSD stands for Post Traumatic Stress Disorder. It forms when something so traumatic happens to someone, anything similar to that freaks them out(in a way, it triggers fight or flight)
Here's an example. If your father hit you as a child, his arm would raise to swing. That person later in life may develope PTSD from this, and whenever someone raises their arm in a abrupt or quick manner, it can scare them by bringing back unwanted memories.
While this is upsetting, it's part of a common example.
By the way; PTSD is nothing to joke about. It's a thing a lot of people suffer from.
Good luck!
The false feet used by some types of cells to capture prey
Answer:
Pseudopods
Explanation:
false feet; projections that can appear and disappear from the organism's body, used in movement and to capture prey
how many chromosomes do human sperm and egg cells have?
Which of the following contain(s) oxygenated blood?
*its Arterioles edgBz21 pls pst
Answer:
c. Arterioles is correct
Explanation:
Which of the following statements best summarizes the factors that affect population growth?
A. When resources are available, populations grow until they reach carrying capacity.
B. The more limiting factors affect a population, the greater the population growth.
C. The carrying capacity will decrease when there are no limiting factors affecting the population.
Answer:
A
Explanation:
Before we try to answer the question lets define a few key terms
Key Terms:
Carrying capacity - The max population that can be sustained by the amount of resources in a specific environment
Limited factor are usually expressed as a lack of a particular resource.
Now lets look back at the answer choices
For A,
A. When resources are available, populations grow until they reach carrying capacity.
This statement makes sense because with available resources, a population will continue to increase until the amount of resources isn't enough for the population, in other words the population will increase until its reached its carrying capacity. So this might be the answer, however lets look at the other answer choices just in case.
For b,
B. The more limiting factors affect a population, the greater the population growth.
This statement would not be true because limiting factors usually are expressed as a lack of a particular resources. A lack of resources ( more limiting factors ) would lead to a population decreasing, not increasing, therefore B is not a true statement
For C,
C. The carrying capacity will decrease when there are no limiting factors affecting the population.
This statement would not be true because if there are no limiting factors ( which remember are expressed as a lack of particular resource ) the carrying capacity ( or the max population that can be sustained by the amount of resources in a specific environment ) would not change at all because there are no limiting factors changing the availability of the resources, therefore C is not the answer.
2. How much does the average baby weigh when bom?
Answer:
4 to 5 kg
not very certain in pounds 1b)
Answer:
8lb 6oz
Explanation:
8 pound 6 ounce for an average baby in BritainUsing the information in Model B as a reference. Which of the following from the elephant is directly available to the lion?
Grass
Respiration
Biomass
Waste
I need this answer quick please!
Answer:
Biomass
Explanation: Grass is not available in its original condition as it's digested.
Respiration doesn't make any sense.
Waste including faecal matter is removed from the organism via urinary and digestive systems.
Biomass is what the lion consumes.
compare and contrast the composition of blood plasma and glomerular filtrate
Answer:
The primary distinction between blood plasma and glomerular filtrate is that blood plasma includes suspended cells, proteins, and big molecules, but glomerular filtrate typically does not. The glomerulus produces glomerular filtrate, which is made up of blood plasma.
Which is a binary ionic compound?
O potassium bromide, KBr
O potassium hydroxide, KOH
O methane, CH4
O water, H20
Answer:
potassium bromide, KBr is a binary ionic compound.
How do we REMOVE water vapor (a gas) from our atmosphere?
Answer:
to get the heat of the planet
Explanation:
Hello, I was wondering if you can help me with questions 1 and 2.
Answer:
sorry can't help
Explanation:
you didn't upload the question
