Answer:
The combination of chromatids in metaphase will be :
AmAm
ApAp
BmBm
BpBp
CmCm
CpCp
Explanation:
Maternal and paternal chromosomes are now in metaphase so it means they would have duplicated as during prophase chromosomes split into chromatids. however, There is no tetrad in mitosis and move to the equator.
So, maternal and paternal chromatids will not mix or pair with one other. Therefore. the combination of chromatid pairs that will be present during metaphase are:
AmAm
ApAp
BmBm
BpBp
CmCm
CpCp
Explain the three mechanisms of heat transfer in Earth’s atmosphere.
Explanation:
There are three ways heat is transferred into and through the atmosphere.
radiation. conduction. convection.
Radiation
Radiation is the transfer of heat energy through space by electromagnetic radiation.If you have stood in front of a fireplace or near a campfire, you have felt the heat transfer known as radiation. The side of your body nearest the fire warms, while your other side remains unaffected by the heat. Although you are surrounded by air, the air has nothing to do with this transfer of heat. Heat lamps, that keep food warm, work in the same way.
Conduction
Welding iron is transferring heat by conduction
Conduction is the transfer of heat energy from one substance to another or within a substance. Have you ever left a metal spoon in a pot of soup being heated on a stove? After a short time, the handle of the spoon will become hot.This is due to transfer of heat energy from molecule to molecule or from atom to atom. Also, when objects are welded together, the metal becomes hot (the orange-red glow) by the transfer of heat from an arc.
Convection
convection is the transfer of heat energy in a fluid. This type of heating is most commonly seen in the kitchen with a boiling liquid.
Air in the atmosphere acts as a fluid. The sun's radiation strikes the ground, thus warming the rocks. As the rock's temperature rises due to conduction, heat energy is released into the atmosphere, forming a bubble of air which is warmer than the surrounding air. This bubble of air rises into the atmosphere. As it rises, the bubble cools with the heat contained in the bubble moving into the atmosphere
The three mechanisms of heat transfer in Earth’s atmosphere are radiation, conduction and convection.
What causes conduction in the atmosphere?Air in the atmosphere acts as a fluid. The sun's radiation strikes the ground, thus warming the rocks.
As the rock's temperature rises due to conduction, heat energy is released into the atmosphere, forming a bubble of air which is warmer than the surrounding air. This bubble of air rises into the atmosphere.
During the day, sunlight heats the ground, which in turn heats the air directly above it via conduction. At night, the ground cools and the heat flows from the warmer air directly above to the cooler ground via conduction.
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Jellyfish, mushrooms, oak trees, and bacteria contain cells. Which component of cell theory does this best illustrate? All living things are made of cells. Most organisms are made of cells. All cells come from other cells. Plants are made of cells.
Answer:
All living organisms are made of cells.
Explanation:
Hi!
No matter what is it, if it is a plant, an animal, a bacteria, anything! If it is alive, biotic, living, breathing, it is made up of cells. NO MATTER What! Rocks and sun are not alive so that means they are biotic. Which means they are not made of cells.
I really hope this helps!
Answer:
A all living things are made of cells!
Explanation:
What elements make up a carbohydrate?
Explanation:
Hydrogen, Carbon, Oxygen,
what is the idea behind bottle biology
Answer:
Bottle Biology is a classroom-tested approach to hands-on biology which allows students on all levels to become engaged in the actual process and activity of doing science: Asking questions, creating experiments, testing hypotheses and generating "answers."
Explanation:
♡ Hope it helps♡
Bottle Biology is a classroom tested approach to hands on biology which allows students on all levels to become engaged in the actual process.
It also allow activity of doing science like Asking questions, creating experiments, testing hypotheses and finding answers.What is used in bottle biology?Bottle Biology uses recyclable containers as building blocks that can be put together to form any number of bottle systems to explore science, nature, and the environment. In Life Science people are invited to choose from four Bottle Biology systems.What is the purpose of bottle biology?The purpose of this project is to construct a functional micro ecosystem that will support living organisms. The underlying principles of the structure and function of ecosystems will be studied and explored in class.To know more about ecosystem here
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The process by which secretory products are packaged into vesicles and then released from the cells is known as
Answer:
Exocytosis.
Explanation:
It is Exocyctosis because Exocyctosis is a process where membrane bound secretory vessicles which can contain soluble proteins,membrane proteins, lipids are released from the cell into the extracellular environment.
The release is possible because the vessicles join to the plasma membrane of the cell.
These secretory vessicles are formed from trans Golgi network.
do sponges have cells
Answer:
no, they dont
Explanation:
how would a sponge have cells? so no
Answer:
Yes?
Explanation:
Generally all living things have cells. They have no organs though.
Which takes up more space, the dorsal or ventral cavity?
Answer:
ventral
Explanation:
The unit of androecium is
Answer:
The unit of androecium is stamen. The plural of stamen is either stamina or just stamens. An androecium is usually made up of multiple stamina
Answer:
The unit of androecium is stamen. The plural of stamen is either stamina or just stamen. An androecium is usually made up of many or multiple stamen
Cellulose is to polysaccharide, as glucose is to
hydrogen and oxygen come pouring out it drips and it dribbles and it comes from a spout
Answer:Water
Explanation:
This looks like a proverbial question, so I'll try and answer it as best as I can
Th mixture of 'hydrogen and oxygen came pouring out' to give water. Water is a liquid that 'drips and dribbles and it comes poring from a spout'
The question is talking about the reaction between hydrogen and oxygen to give water; a form of liquid as the by-product.
The reaction involves one atom of oxygen reacting with two atoms of hydrogen with an hydrogen bonding in-between to give a molecule of water.
Also note that a spout is a stream of liquid issuing from somewhere with great force. So the answer is water.
Which of the following actions has an effect on the environment: A Turning lights on in your home B Building a new road C All of these D What you eat
Answer:
its c!!
Explanation:
Uncovered lightbulbs may expose food to which type of hazard
Answer:
chemical is the answer
The N-terminal tail of histone H3 can be extensively modified, and depending on the number, location, and combination of these modifications, these changes may promote the formation of heterochromatin. What is the result of heterochromatin formation
Answer:
Repression of gene expression
Explanation:
Heterochromatin is formed by highly-packed DNA regions. A functional consequence of heterochromatin formation is that these regions become inaccessible to transcription factors, thereby inhibiting gene transcription (genes in these regions are 'switched off'). Heterochromatin is formed by epigenetic modifications added to histone tails that form nucleosomes, i.e., histones H2A, H2B, H3 and H4. The epigenetic marks include, among others, acetylation and methylation.
When does heat produce a chemical change?
Answer:
Heat produces a chemical change when energy is released in the form of light
Explanation:
Which statement best describes a human influence on the biogeochemical cycles?
Answer:
increased eutrophication caused by high levels of nitrogen and phosphorous
Explanation:
Answer:
The movement of a chemical substance through both the biotic and abiotic parts of Earth
Explanation:
Describing the Big Bang Theory
Quick
Check
Which statement accurately describes the origin and expansion of the universe?
O As the universe continues to expand, it gradually gets warmer.
Galaxies that are farther away are moving away more slowly.
O Cosmic background radiation is leftover thermal energy from the big bang.
O Stars and galaxies formed almost immediately after the big bang occurred.
Answer:
QWERTY
Explanation:
In Zambia, which lions are likely to have migrated from a different population?
Why is the shape of a protein so important?
Answer:
The shape of a protein is important because it determines whether the protein can interact with the other molecules.How is glucose transported to brain cells? A) by cellular energy B) by the digestive system C) by the lactic acid in the muscles D) by the circulatory system
Glucose is transported to brain cells by the circulatory system, which is in Option D because the brain gets most of the energy from utilizing the glucose, and then the energy is utilized for different functions.
What is the significance of glucose in the brain?Glucose is very important for the brain, as the brain needs a constant flow of energy for reading, writing, other memory-related activities, the secretion of some hormones, etc., so glucose can easily break down and give energy. While the lack of glucose can lead to neurological problems such as confusion, difficulty memorizing, inattention, and seizures,
Hence, glucose is transported to brain cells by the circulatory system, which is in Option D because the brain gets most of the energy from utilizing the glucose, and then the energy is utilized for different functions.
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Why the bass and crayfish benefit from an increased level of phosphate, initially, but then die off
Answer:
Increased levels of phosphate are beneficial to phytoplankton and aquatic plants. In the short-run, this means increased micronutrients for herbivorous and omnivorous fish.
The phosphate, however, reacts with the water to reduce the oxygen levels obtainable in the water. Without oxygen, the fishes die off.
It is not unusual to find that with increased phosphate in water, healthy fishes begin to die off without any other plausible explanation.
The solution is to clean the water or treat it with solutions that impact positively whilst reducing the phosphate levels.
Cheers!
As the force increases, so does the _______ of the object. A.intensity B.speed C.weight D. volume
Answer:
B. Speed
Explanation:
Which of the following from Picture 9 is the strongest base? * A. ammonium chloride B. pure water C. tomatoes D. hydrochloric acid
Answer:
Ammonium chloride (sodium hydroxide is stronger but it isn't an option in the question)
Explanation:
pH less then 7 is acidic
pH 7 is neautral
pH higher than 7 is alkali
An alkali is a soluble base.
Ammonium chloride has the highest pH number so it must be a base.
What "sphere" are shells and coral a part of?
Answer: They are part of both the Hydrosphere and the Biosphere (coral)
Explanation: Hydrosphere because both shells and coral come from the water, however coral is alive so could also be considered part of the biosphere
Purple flowers are dominant over the white flowers. The parent generation includes two heterozygous parents. What are the possible phenotypes of these parent offspring
Answer:
Purple and white-flowered individuals.
Explanation:
First, let P represents the allele for purple flower trait and p for white flower trait. PP and Pp would be purple and pp would be white flower individuals.
The parents are two heterozygous individuals, Pp.
Pp x Pp
offspring: PP Pp Pp pp
PP and Pp = purple
pp = white.
Hence, the possible phenotypes of offspring from two heterozygous parents are purple and white-flowered individuals.
A magnetic field protects Earth from the Sun's high-energy particles. What two processes are involved in the formation of Earth's magnetic field? The movement of materials in Earth's mantle and Earth's rotation the movement of metals in Earth's core and Earth's rotation the movement of solar wind toward Earth and Earth's revolution the movement of eruptions from the Sun's surface and Earth's revolution
Answer:
B.) The movement of metals in Earth's core and Earth's rotation
Explanation:
got a 100 on the Test
The two processes that are involved in the formation of Earth's magnetic field are the movement of metals in Earth's core and Earth's rotation. The correct option is B.
What is a magnetic field?A magnetic field is a place near a magnet in which a physical field is created with the electric charge. The field applies a great force on the other objects which come into this physical field.
Earth's core is the center point of earth, which is in a molten state and contains a high amount of iron. The core of the earth maintains the revolving of the earth as it is attracted by a magnetic field.
Due to gravitational force, the earth rotates on its axis and around the sun. Earth takes around 24 hours to revolve on its axis and 365 days in revolving around the sun.
Thus, the correct option is B. the movement of metals in Earth's core and Earth's rotation.
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Eukaryotes evolved from prokaryote ancestors (the Endosymbiont Theory being a likely pathway). While eukaryotes share some traits with their prokaryote ancestor(s), some features are unique to eukaryotes. What are they?
a. circular double-stranded DNA in the nucleus.
b. ribosomes are used for protein synthesis.
c. membrane-bound organelles.
d. mitosis.
e. mitochondria.
f. photosynthesis.
g. motility.
i. histones associated with DNA.
How were you able to determine if something was living, once living, or never living (non-living)?
Answer:
If it was once living you would know by the fossils or where it was found. Stuff that is non-living is stuff like rocks and dirt. Living is trees and animals.
Explanation:
The two days of the year when the Sun's rays are exactly on the equator are called _____.
Answer:
equinox
Explanation:
It occurs 2 times a year where the sun shines exactly on the equator on September and March
Erythromycin is given to a six-year-old child before dental work to prevent endocarditis. The child weighs 44 lb (20 kg). The order is for 20 mg/kg by mouth two hours before the dental appointment. The bottle comes concentrated as 400 mg/5 ml. How many milliliters should the child receive? Record your answer using a whole number.
Answer:
5 milliliters
Explanation:
Weight of the child = 20 kg
Prescription order = 20 mg/kg 2 hours before appointment
The total amount of erythromycin required by the child= weight of the child x prescription order.
= 20 x 20 = 400 mg
Amount of erythromycin per 5 ml of the bottle = 400 mg
Hence, the total milliliters of the liquid that the child should receive = 5 ml
The table shows the energy that is stored in three types of organic molecules. Energy Storage in Humans A 4-column table with 3 rows. Column 1 is unlabeled with entries Free Glucose in Blood, Glycogen, Lipids (Fats). Column 2 is labeled K cal per Gram with entries 4, 4, 9. Column 3 is labeled Energy Storage (k cal) with entries 40, 600 to 1600, 10,000. Column 4 is labeled Life Support Time with entries Few minutes, 1 day, 30 to 40 days. What is the best conclusion based on this data? Blood is a primary location for energy storage. Fat molecules contain more energy-containing bonds than simple sugars. A gram of glycogen has twice as much energy as a gram of fat. The human body stores approximately 1,000 kcal of glucose.
Answer:
B or Fat molecules contain more energy-containing bonds than simple sugars.
Explanation:
The BEST conclusion based on this data is fat molecules contain more energy-containing bonds than simple sugar.
Both glucose and fats are macronutrients that store energy in their chemical bonds.Carbohydrates are polymers composed of monomers or 'sugar molecules' called monosaccharides. Glucose is a simple sugar (i.e., it is a monosaccharide).Lipids (fats) are polymers composed of fatty acids and glycerol.According to data, free glucose contains four (4) Kcal per gram; whereas lipids (fats) contain nine (9) Kcal per gram.In conclusion, the BEST conclusion based on this data is fat molecules contain more energy-containing bonds than simple sugar.
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