Answer:
its d i took the usatp
Explanation:
Which organelle is the most important in a cell? Prove your reasoning by describing what the important functions are and how the absence of this organelle could affect the surrounding organelles.
Answer:
The most important organelle in a cell is the nucleus. Because it contains DNA which is in control of directing all the activities of a cell. And all the RNAs needed for the cell are synthesized in the nucleus
Explanation: I’m doing the DBA now
Select all the functions of an organelle. Select all that apply.
to help the cell live
to help the cell reproduce
to help digest food
to help excrete waste
to help the cell grow and develop
it converts energy
Answer:
it converts energy (1)
to help the cell live (2)
to help the cell grow and develop (3)
to help the cell reproduce (4)
Explanation:
#1: Mitochondria organelles are eukaryotic cell energy centers that aid in the conversion of oxygen and nutrients into ATP via a process known as cellular respiration.#2: Lysosomes, for example, are organelles that contain hydrolytic enzymes that are essential to remove harmful chemicals and so allow the cell to survive.#3: There are several organelles that aid in the synthesis of all biomolecules and structures essential for cell growth (e.g., ribosomes, Golgi apparatus, RER, etc).#4: The cell nucleus is an organelle that contains the genetic material (DNA). This genetic material is required for the cell's metabolic processes, including reproduction.Question 15 of 20
The state of the atmosphere at a given time and place is known as:
Answer:
don't know
Explanation:
I had this
What is the surface of the Earth called?
Crust
Mantel
Inner core
Outer core
Answer:
crust
Explanation:
3 points
12. Fossils of horse like animals with 4, then 3, and then 2 toes are
examples of
homologous structures
vestigial structures
disruptive selection
transitional species
Answer:
homologous structures
Several factors determine the distribution of biomes on the planet. Which two are considered the major determing factors?
The most significant abiotic element influencing the spread of terrestrial biomes is climate. The temperature on the Earth's surface generally decreases from the equator to the poles. Precipitation and evaporation both influence the moisture content of a biome.
Plant production (primary productivity) and the amount of organic matter available as food are both influenced by temperature and moisture (net primary productivity).
Thus, option 2 is correct option.
Building a new subdivision forces native animal species out of their habitats. How can we prevent or make that better?
1) All of the following are examples of an asexual reproduction except
a) Cloning technique b) Forming zygots
c) Runners technique I
d) Tuber technique in the potato
Answer:
b) Forming zygots
Explanation:
A zygote can be defined as a eukaryotic cell formed by the fusion of gametes during sexual reproduction. In general, a zygote is a diploid (2n) cell produced by the fusion of two haploid (n) gametic cells (eg., in mammals, sperm and egg cells). In multicellular organisms, the zygote is the first stage of development, which will give rise to an adult organism as it divides and grows. A zygote cell can be considered as a pluripotent stem cell because it differentiates into all cell types.
How does adenosine triphosphate (ATP) become adenosine diphosphate (ADP)?
ATP stores energy as a phosphate bond is formed.
ATP releases energy as a phosphate bond is formed.
ATP releases energy as a phosphate bond is broken.
ATP stores energy as a phosphate bond is broken.
The correct answer is ATP releases energy as a phosphate bond is broken.
ATP (adenosine triphosphate) is converted into ADP (adenosine diphosphate) when a phosphate group is removed from ATP, resulting in the release of energy. This process is known as hydrolysis, where water molecules are used to break the bond between the terminal phosphate group and the rest of the molecule.
During cellular metabolism, ATP serves as the primary energy currency of the cell. When energy is required for various cellular processes, the phosphate bond in ATP is broken by an enzyme called ATPase. This enzymatic hydrolysis reaction cleaves off one of the phosphate groups, resulting in the formation of ADP and an inorganic phosphate molecule (Pi). The released phosphate group is then available to be used in other cellular reactions.
The conversion of ATP to ADP is an essential part of energy metabolism in cells. The energy released during this process is utilized to drive various cellular activities, such as muscle contraction, active transport of molecules across cell membranes, and synthesis of macromolecules. Once ATP is converted to ADP, it can be further hydrolyzed to AMP (adenosine monophosphate) if more energy is needed. Ultimately, the energy stored in ATP is released when the phosphate bond is broken, allowing cells to perform their vital functions.
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Which of the following is the most accurate definition of behavior?
A. Behavior is an action that can be observed with lab equipment.
B. Behavior is an action that is only measurable with medical equipment.
C. Behavior is an action that can be observed and measured.
D. Behavior is an action that is private but observable and measurable.
Answer:
behavior is an action that can be observed and measured
Answer:
Explanation:
D
Which of the following are examples of something being heated by convection?
A. Noodles in a pot of water
B. Hot dogs on an outdoor grill
C. Bread in an electric toaster
D. Pancakes in an iron skillet
Challenges in sustainable development
can you explain this diagram.. I will mark you brainlist..
help... !!!!
Answer:
Explanation:
environment is first then society then economy
Non-pigmented irises (blue eyes) are recessive to pigmented irises (brown, green, hazel, etc). A person with
blue eyes has both parents with brown eyes. How is this possible
Answer:
Genes
Explanation:
Although the parents both have dominant eyes.
The child could have eyes from the grandparents that skipped a generation.
Hope that helped!!
<3
If both parents carry the recessive allele for blue eyes, a blue-eyed person with two brown-eyed parents is possible.
How is this Non-pigmented irises (blue eyes) are recessive to pigmented irises cross possible?Each individual receives two copies of each gene, one from the mother and another from their biological father. In this situation, both parents have the pigmented iris dominant allele (BB or Bb), so both seem to have brown eyes. Both parents, however, may be heterozygous for of the recessive allele for the blue eye gene (Bb), which they could pass on to their offspring with a 25% chance.
If both parents carry the recessive gene, their children have a 25% chance of inheriting two copies of the recessive variant (bb) and so having blue eyes. The blue-eyed person in this scenario inherited an allele that is recessive from each parent, culminating in their blue eye colour.
Therefore, while it is less common for a person with two brown-eyed parents to have blue eyes, it is possible if both parents are carriers of the recessive allele.
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If a flower is wilting, which structure inside its cells lacks water?
vacuole
cell wall
carpel
chloroplast
Answer:
Vacuole
Explanation:
The central vacuole stores water in the cell and helps maintain water pressure, or turgor pressure, within the cell. The plant wilts because the central vacuole is empty and the cell is partially collapsed. Once the plant is watered and the central vacuole is full again, the plant will return to its normal position and appearance.
This is a test or rehearsal of something new in order to evaluate the product.
Answer: trial run
Explanation:
What makes plant cells green?
Answer:
chlorophyll
Explanation:
3. How is Acetyl-CoA prsluced during the acrobic oxidation of carbohydrates, and what happens to it? How is it produced during the aerobic oxidation of titty acids, and what happens to it
During the aerobic oxidation of carbohydrates, acetyl-CoA is produced through a series of metabolic reactions known as glycolysis and the citric acid cycle. During the aerobic oxidation of fatty acids, acetyl-CoA is produced through a process called beta-oxidation.
Pyruvate then enters the mitochondria, where it undergoes further processing to produce acetyl-CoA. This conversion occurs through a process called pyruvate decarboxylation, where pyruvate loses a carbon dioxide molecule and combines with coenzyme A (CoA) to form acetyl-CoA. Acetyl-CoA is a key molecule in energy metabolism and serves as a precursor for the citric acid cycle.
During the aerobic oxidation of fatty acids, acetyl-CoA is produced through a process called beta-oxidation. Fatty acids are broken down into two-carbon units, which then combine with CoA to form acetyl-CoA. This process occurs in the mitochondria, where fatty acids are sequentially cleaved into acetyl-CoA molecules. The acetyl-CoA molecules can enter the citric acid cycle to generate energy through oxidative phosphorylation.
Once acetyl-CoA is produced, it enters the citric acid cycle, also known as the Krebs cycle or TCA cycle. In this cycle, acetyl-CoA undergoes a series of enzymatic reactions, resulting in the production of ATP, NADH, and FADH2. These energy-rich molecules are then utilized in the electron transport chain to generate ATP through oxidative phosphorylation.
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What are the best techniques for anchoring aquarium plants in substrate to ensure their healthy growth?
A few techniques that can be used to anchor aquarium plants in substrate for healthy growth includes; Tieing the plant to a rock or piece of driftwood, Using plant weights, Planting the plant in a pot and Using aquarium glue.
How would you use the above mentioned techniques to anchor aquarium plants?Tying the plant to a rock or piece of driftwood: This method works great for plants with rhizomes, like Anubias and Java Fern, as you mentioned.
Planting the plant in a pot: Some plants can do well when planted in pots with their preferred substrate. This is good because it is in a controlled enviroment and you can move plant without disturbing the plant.
plant weights: This method is said to be okay for buoyant plants that tend to float away before their roots can establish. However this can be disadvantagous if the weight is made with lead.
aquarium glue: This can be very effective for certain types of plants. It's important to use a glue that is safe for aquarium use (i.e., cyanoacrylate-based glues).
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The diagram shows a pedigree for a certain trait in three generations. The grandparents are represented at the top and the grandchildren are at the bottom.
How many grandchildren in the pedigree show the trait?
0
1
3
4
Associate specific relationships between science and/or technology and human population growth.
The relationship between population growth and technological change has been debated since the end of the eighteenth century a debate whose main configuration has proved remarkably persistent. During the ensuing 200 years, historically unprecedented rates of change have been observed in both variables: in industrial, commercial, and communications revolutions spreading out from Europe, North America, and Japan; in parallel (though spatially and temporally uneven) revolutions in the technological base of agricultural production; and in a demographic transition–in which mortality decreased and fertility first increased, then decreased that is still underway in many developing countries. Interconnections there must be, yet the attribution of primacy and direction of causation among these variables, not to mention the nature of the mechanisms involved and means of influencing outcomes in the interest of meeting social goals, remain controversial. Meanwhile, a new awareness of the emergence of complex social-environmental systems, whether at local or global levels, has extended the debate beyond the discipline of economics, and broadened its emphasis from the welfare of the human race to that of the planet.
Most enzymes in the human body work best at 37C (98.6F). When you get sick, sometimes you get a fever, what do you think this means for your enzymes?
Answer:
Because enzymes are denatured by heat, fevers can cause changes in enzymatic structure and shape. If your fever is high enough to fully denature your enzymes, this can lead to death by preventing your enzymes from catalyzing necessary reactions.
Hope this helps :D
What kind of conservation projects do you think will be the most effective in helping to reduce the rate of climate change?
Answer: There are a variety of conservation projects that can be effective in helping to reduce the rate of climate change. Some of the most effective conservation projects include:Forest conservation and restoration: Forests are critical for sequestering carbon dioxide from the atmosphere, and preserving existing forests and restoring degraded forests can help reduce carbon emissions.Wetland restoration: Wetlands are also important carbon sinks, and restoring and protecting wetlands can help sequester carbon and mitigate the impacts of climate change.Renewable energy: Promoting and investing in renewable energy sources such as solar, wind, and hydropower can help reduce reliance on fossil fuels, which are major contributors to greenhouse gas emissions.Sustainable agriculture: Adopting sustainable farming practices, such as reducing tillage, planting cover crops, and using natural fertilizers, can help reduce greenhouse gas emissions from agriculture while also increasing soil health and productivity.Sustainable urban development: Encouraging sustainable urban development through measures such as public transportation, green buildings, and bike and pedestrian infrastructure can help reduce emissions from transportation and buildings, which are major sources of greenhouse gas emissions.Overall, a combination of conservation efforts targeting various sectors can be most effective in mitigating climate change.
Which structure is the simplest level of organization in humans?
organ systems
cells organs
tissues
Answer:
organ cells
Explanation:
cells are the building of life
The simplest level of organization in a human being is cells.
Where are the effects of soil salonization most likely to be seen
Answer:
The effects of soil salinization are most likely to be seen in the coastal farmlands. During the process, water-soluble salts accumulate in the soil. Irrigation adds more water to the farms, which brings more salt to the soil. Unused water evaporates, leaving behind the salt. Further, the sub-surface salts are brought up to the surface, and the water evaporates, further increasing the salt concentration in the soil.
Explanation:
5. A scientist uses the diagram below to describe the function of the organelle in question 4.
Using the diagram and your knowledge of biology, identify the following:
a. Organelle A_____
b. Substance A_____
c. Substance B_____
RT 2: Regents Review!
ections: Recall what you learned in unit 1 about designing an experiment to answer the ientist is interested in the effect that the amount of glucose given to a mitochondria n unt of carbon dioxide that is produced.
scientist sets up three containers: Container 1 holds 20 mitochondria and a 0.5 %cor ainer 2 holds 20 mitochondria and a 1.0 % concentration of glucose; and Container 3 hondria and a 5.0 % concentration of glucose. 0.5 % concentration of glucose is co
Answer:
The article says all of the following except __________.
A.when an opponent's team wins all the time, spite and envy can fuel a rivalry
B.rivalries let sports fans express and share their strong feelings with others
C.rivalries give fans a way to calmy reduce their strong reactions to games
D.history, geography, and competitiveness can all help fuel a sports rivalry
Explanation:
function of the organelle in question 4.
Using the diagram and your knowledge of biology, identify the following:
a. Organelle A_____
b. Substance A_____
c. Substance B_____
RT 2: Regents Review!
ections: Recall what you learned in unit 1 about designing an experiment to answer the ientist is interested in the effect that the amount of glucose given to a mitochondria n unt of carbon dioxide that is produced.
scientist sets up three containers: Container 1 holds 20 mitochondria and a 0.5 %cor ainer 2 holds 20 mitochondria and a 1.0 % concentration of glucose; and Container 3 hondria and a 5.0 % concentration of glucose. 0.5 % concentration of glucose
function of the organelle in question 4.
Using the diagram and your knowledge of biology, identify the following:
a. Organelle A_____
b. Substance A_____
c. Substance B_____
RT 2: Regents Review!
ections: Recall what you learned in unit 1 about designing an experiment to answer the ientist is interested in the effect that the amount of glucose given to a mitochondria n unt of carbon dioxide that is produced.
scientist sets up three containers: Container 1 holds 20 mitochondria and a 0.5 %cor ainer 2 holds 20 mitochondria and a 1.0 % concentration of glucose; and Container 3 hondria and a 5.0 % concentration of glucose. 0.5 % concentration of glucose
DeShawn wants to conduct a scientific study on how land-clearing in his city may have affected the quality of the water. Which source of information would be most valuable to his research? A. a survey given to the people of the city ten years ago on the possible effects of land-clearing on water B. the opinion of a neighbor who has some knowledge on how to test city water for impurities C. a recent city government report with data regarding how clean the water supply is D. a recent political article stating that the water of the city should be filtered and cleaned Reset Next Question
Answer: i think that the answer is C
Explanation:
The source of the information that should be most valuable to the research should be option C.
What is research?
It means that the development of the new knowledge should be done or there is the usage of the existing knowledge for generating the new conceptsm methods, and understanding. It involved the synthesis and the analysis of last research for resulting the new or the creative outcomes.
So based on this, the option c should be correct.
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The chemical equation shown represents photosynthesis
Answer:
sunlight(energy),water, carbon dioxide=oxygen and glucose
Explanation:
brainliest appreciated!!
What is chrosome ? (Definition in own words )
Answer:
A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA
Explanation:
:)
Answer:
a chromosome is a long DNA molecule with part or all of the genetic material of an organism. most eukaryotic chromosomes include packaging proteins called histones which aided by chaperone proteins bind to and condense the DNA molecule to maintain its integrity.
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
What are the constants for the above scenario?
Answer:
what scenario, nothing is there