Answer:
Its the flagem
Explanation:
Answer: 434 words total. Left two questions blank (they are underlined) so youll probs need to fill it in. I also suggest putting it into your own words so if they run it through a plagerism checker this doesnt pop up. I hope this helps tho.
Introduction:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body’s hereditary material and can make copies of themselves. Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell.
Materials:
• Microscope
• Prepared slide of muscle tissue
• Prepared slide of some internal organ such as the kidney, liver, or heart
• Prepared slide of erythrocytes, or leukocytes (from blood)
Instructions:
1. Place one of the prepared slides of animal tissue on the stage of the microscope.
2. Focus the microscope on low power. Then change to the high-power objective. Focus on the tissue, and note the cells.
3. On a separate sheet of paper, draw an individual cell that you see in the tissue. Note the shape of the cell and its other distinctive characteristics.
-What do you think the function of this cell might be?
4. Repeat Steps 1 and 2 using the other prepared slides.
5. On a separate sheet of paper, draw individual cells from the other prepared slides examined.
Questions:
What do you think the functions of the other cells drawn might be?
- (i think this differs on person to person so may need to do it yourself)
If all of the different kinds of cells which you observed had been taken from the same organism or individual, would they have all had the same genetic information?
- Yes, the cells will have the same genetic information. However, the particular combination of genes that are turned on (expressed) or turned off (repressed) dictates cellular morphology (shape) and function. Essentially meaning that though the cells share the same genetic information they do not necessarily share the same functions.
Consider specialization: What biological concept or occurrence is demonstrated by the different kinds of cells which were observed?
- Though these cells have the same DNA, they all have different phenotypes. The phenotypes are different because the cells appear different under the microscope. The cells do this by expressing different genes at different rates. For example, the blood cell is expressing the gene to make hemoglobulin while the other cells are probably expressing different genes that allow them to be specialized. Cells differentiate which means that they are becoming more specialized. Epigenetics focuses on how cells become more specialized.
Why is it important?
- This is important because it allows different parts of the body to carry out their crucial functions necessary for the whole body to run properly.
An egg, a model of a cell, is placed in a concentrated sugar solution (hypertonic) for 24 hours.
What will happen to the egg? The egg will
1. lose mass and shrink in size
2. gain mass and increase in size.
3. stay the same mass and size.
Answer:
gain mass and increase in size
Answer:
1. lose mass and shrink in size
Explanation
the egg is a more dilute solution that the one it is placed in. Through osmosis it will lose water until both solution(the inside and outside of the egg) have roughly the same concentrations. Losing water will cause it to shrink.
giving brainliest!
Which method best describes how a homeothermic organism maintains a constant internal temperature, despite changes in its external environment? (4 points)
A. Using negative feedback to decrease its external temperature when it rises above its normal range
B. Using negative feedback to increase its internal temperature when it falls below its normal range
C. Using positive feedback to decrease its internal temperature when it rises above its normal range
D. Using positive feedback to increase its external temperature when it falls below its normal range
Answer:
A
Explanation:
Yes
Answer:
B. Using negative feedback to increase its internal temperature when it falls below its normal range
Explanation:
The question asked about INTERNAL temp and how its stbalized, we know that MOST to ALL of negative feedback is getting the organism to return to its original state, high body temp was its original state, therfore,Using negative feedback to increase its internal temperature when it falls below its normal range, is the correct answer.
A certain species of fish (A) preys on a smaller species of fish (B). The smaller species of fish mostly consumes seaweed. What would be the effect of overfishing species A? If species A is overfished, then the drop in population of species A will have a(n) (direct, indirect or cascading) effect on the population of species B. The population of species B will increase. A(n) (direct, indirect, or cascading) effect of overfishing would be a drop in seaweed, because the larger population of species B would consume more seaweed.
Answer:
B. The population of species B will increase, A(n) (direct, indirect, or cascading) effect of overfishing would be a drop in seaweed, because the larger population of species B would consume more seaweed.
Explanation:
As population of Fish A is directly dependent on population of fish B and population of fish B is dependent on seaweed. Overfishing of species A will have a direct effect on species B and population of species B will increase as there will be less predator (species A).
Due to overfishing of species A resulting into increase in species B, there will be an indirect drop in the seaweed, because the larger population of species B would consume more seaweed.
Hence, the correct answer is "B".
Which statement best describes the energy flow as it passes from producers to tertiary consumers?
A. 10% of the energy is transferred through each trophic level.
B. 100% of the energy produced passes to each trophic level.
C. 50% of the energy produced is transferred through each trophic level.
D. 1% of the energy is lost as heat is transferred through each trophic level.
Answer:
The answer is A
Explanation:
At any given trophic level, only 10% of the energy is transmitted to the next level; the remaining 90% is primarily wasted as heat during metabolic activities. Thus, option A is correct.
What is the role of energy flow in an ecosystem?Typically, only 10% of energy is transmitted from one trophic level to the next. This restriction on the number of trophic levels that an ecosystem may support is referred to as “the 10% rule.” organisms that are alive and the energy they hold.
Each trophic level's energy content diminishes as it progresses through an ecosystem.
The 10% Rule states that only 10% of the energy will be transferred when it moves from one trophic level to the next in an ecosystem.
Therefore, An energy pyramid provides a graphic representation of energy loss at each level of the feeding stages of species in an ecosystem.
Learn more about energy flow here:
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I need help asap please help
Answer:
The answer is A
Explanation:
Less genetical diversion isnt good
How would a small, uncharged lipid move across the cell membrane?
o through simple diffusion, down the concentration gradient
O through simple diffusion, against the concentration gradient
o through facilitated diffusion, down the concentration gradient
O through facilitated diffusion, against the concentration gradient
Answer:
Through simple diffusion, down the concentration gradient.
Explanation:
The phospholipids of the membrane are amphipathic with hydrophillic heads and hydrophobic tails. Other polar molecules cannot go through this hydrophobic interior. Since small uncharged lipids are non polar and hydrohobic, they are able to go through the membrane without the help of transport proteins. Therefore, the last two options can be ruled out because facilitated diffusion includes the use of a protein. Diffusion involves molecules moving down the concentration gradient so the second option can be ruled out.
MCO,
Name the acids present in unripe green apple
1. Malic acid
2. Tannic acid
3. citric acid
In which step of mitosis does a new nuclear membrane form around each new nucleus? O telophase prophase metaphase anaphase
Answer:
Telophase
Explanation:
is the final step of mitosis. During this phase, the nuclear membrane reforms, the nucleolus reappears, and the chromosomes unravel into chromatin.
An element with 5 protons, 6 neutrons, and 8 electrons has an atomic number of Group of answer choices
The mass number of an element is the sum of the protons and neutrons. The number of neutrons for a given element is the only number that can change and still have the identity of the element stay the same, (because the atomic number is the number of protons). In this case the mass number would be 11
Which element in period 3 on the periodic table is a metalloid?
magnesium (mg) aluminum (al) silicon (si) sulfur (s)
Answer:
C.) Silicon is a metalloid
Explanation:
edg 2021
name the device that helps you to maintain potential difference across a conductor
Answer:
battery
Explanation:
Any source of electricity, the battery, or the power supply is there to maintain the potential difference across a conductor.
To measure this difference we use VOLTMETER - Instrument for measuring potential differences, voltage differences. It is called a voltmeter as it allows the measurement of the potential difference or voltage that exists between two points belonging to an electrical circuit. The voltmeter, therefore, detects the voltage.
NEED HELP!!!!
How does the uncontrolled cellular division result in cancer cells?
Which best identifies a function of carbohydrates? chool production of antibodies source of energy building of a cell development of hormones
A. production of antibodies
B. source of energy
C. building of a cell
D. development of hormones
Answer:c
Explanation:
I said soo
According to the dichotomous key below, how can you tell the difference between female Deinocerites and Culex mosquitoes?
A. Culex have antennae longer than their proboscis.
B. Deinocerites have antennae longer than their proboscis.
C. Deinocerites have a blunt abdomen tip.
D. Culex have a pointed abdomen tip.
Answer:B
Explanation:Culex have antenna shorter than their proboscis
Answer: Deinocerites have antennae longer than their proboscis.
Explanation:
a p e x
The body consumes carbohydrates to produce energy that is used for cellular processes. Into what molecule is this energy converted for use in the cell?
A- AMP
B- ATP
C- DNA
D- RNA
Ok i have no idea and am kind of doing nine weeks test but i need some help (;
Answer:
dna
Explanation:
I believe its ATP. Hope you do well on your test.
ATP is produced in all stages of cellular respiration. Which two statements describe the process of ATP synthesis in the electron transport chain?
A. The ATP synthase spins when the hydrogen ions rush past, acting as a "matchmaker" and grabbing another phosphate group to attach to an ADP molecule.
B. The high concentration of NAD+ acts as a catalyst to speed up the formation of ATP from ADP.
C. The high concentration of hydrogen ions in the intermembrane space allows them to diffuse across the membrane into the matrix.
D. The FADH2 synthase spins as the high-energy electrons rush past, synthesizing ATP from ADP.
Answer:
C. The high concentration of hydrogen ions in the intermembrane
Explanation:
Merry Christmas
The two statements that describe the process of ATP synthesis in the electron transport chain are: "ATP synthase spins when the hydrogen ions rush past, and high concentrations of hydrogen ions in the intermembrane space allow them to diffuse." These are options A and C.
What is the significance of the hydrogen in the electron transport chain?In this electron transport chain process of cellular respiration, electrons are passed from molecule to molecule through a series of protein complexes in the inner membrane of the mitochondria, where ATP synthase is an enzyme located in the inner membrane that makes ADP into ATP.
Hence, the two statements that describe the process of ATP synthesis in the electron transport chain are: "ATP synthase spins when the hydrogen ions rush past, and high concentrations of hydrogen ions in the intermembrane space allow them to diffuse." These are options A and C.
Learn more about the electron transport chain here.
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Why is carbon so useful in building organic molecules?
Answer: Carbon is the basis for the organic molecules that constitute life because it can form multiple strong bonds with itself and with other elements.
Explanation:
An inherited trait that improves the chances of survival and reproduction for a living organism is _______________________.
Answer:
Adapting
Explanation:
Adapting is when the organism slowly changes as each generation goes by because the organism more suited for the environment is going to survive and reproduce while others will have a harder time and more than likely die off.
Who defined the term 'population education for the first time?
Answer:
Professor Solar Wayland
Help! In which stages of meiosis are the cells considered diploid?
Answer:
The cell is diploid because the homologous chromosomes are still located within the same cell membrane.
Explanation:
Answer:
homologous chromosomes are still located within the same cell membrane. Only after the first cytokinesis, when the daughter cells of meiosis 1 are fully separated, are the cells considered haploid
Explanation:
Which of the following is a function of the nucleus in organism 2?
Answer:
The nucleus is an organelle found in most eukaryotic cells, the exception being red blood cells. ...
The primary functions of the nucleus are to store the cell's DNA, maintain its integrity, and facilitate its transcription and replication.
Photoautotrophs are capable of converting ______ energy into chemical energy.
A.) heat
B.) thermal
C.) light
D.) electrical
help me please!
A strand of DNA has the sequence GATTACA. What will be the sequence of the complementary strand of DNA?
Answer:
Pretty sure it is: CTAATGT
I would appreciate some verification but im 75% sure
Explanation:
Match with the correct pattern of inheritance.
a. Multiple alleles
b. Polygenic traits
c. Incomplete dominance
d. Codominance
Answer: Multiple alleles
Explanation:
Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water-permeable. This waxy coating is which of the following types of organic molecule?
Answer: Chemically, it consists of hydrophobic organic compounds, mainly straight-chain aliphatic hydrocarbons with or without a variety of substituted functional groups. The main functions of the epicuticular wax are to decrease surface wetting and moisture loss.
Mark me brainliest if this helps! :)
why is dowry system a social problem
women and girls in India and other nearby countries where dowry is still prevalent. Dowry can put great financial burden on low income families. Often times, instead of being a gift, it more of a demand from bridegroom's family.
Dowry system can also lead to many unwanted situations
Answer:
Dowry system is one of the contributing factors toward social problems that effects women and girls in India and other nearby countries where dowry is still prevalent. But however, families with low income or under the poverty line, dowry is a huge problem. Dowry can put great financial burden on low income families.
Plz help its my last question i will give brainliest!!!!
Which of the following is true regarding enzymes?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
Enzymes can only be used once during a reaction.
(Choice B)
B
Enzymes are reusable.
(Choice C)
C
Enzymes are usually carbohydrates.
(Choice D)
D
Enzymes denature at their optimum temperatures.
Answer:
I believe the answer is B
Explanation:
For several points!
Please Transcribe this DNA strand into an RNA stand.
TAC AAG CGT TCT GCC AAA ATC
Pay attention to what happens to the things around you as you go about
your day. Describe three examples of Newton's third law in action (use
different ones from those described in the lesson). In your examples
describe the action and the equal and opposite reaction.
Answer:
Examples of Newton's third law of motion are ubiquitous in everyday life. For example, when you jump, your legs apply a force to the ground, and the ground applies and equal and opposite reaction force that propels you into the air. Engineers apply Newton's third law when designing rockets and other projectile devices. Two other examples are: As a professor paces in front of a whiteboard, he exerts a force backward on the floor. A car accelerates forward because the ground pushes forward on the drive wheels, in reaction to the drive wheels pushing backward on the ground.
Explanation:
what are your bones made up of? please list them all! (if you answer correctly, i will mark branliest!)
Answer:
Made mostly of collagen, bone is living, growing tissue. Collagen is a protein that provides a soft framework, and calcium phosphate is a mineral that adds strength and hardens the framework. This combination of collagen and calcium makes bone strong and flexible enough to withstand stress.