Answer:
Krebs cycle
Explanation:
in the process of fermentation glycolysis can take place without oxygen.
compare the relative energy storage of carbohydrates, lipids, and proteins.
Answer: compare the relative energy storage of carbohydrates, lipids and proteins carbohydrates is 4 calories/milligram. lipids are 9 calories/milligram. proteins are 4 calories/milligram list in order in which the body will consume carbohydrates, lipids, and proteins for energy and explain why
Explanation:
i need an answer asap my exam is tomorrow
I solved the first three pls answer the rest
fill in the blanks:
When muscles of the stomach contract, food is broken down_____________________.
The stomach produces _____________________ that break down the food chemically.
Digestion of food is completed in the __________________________. Digestive juices
produced by the liver and the ________________ allow the __________________
digestion of food. Nutrients are now ready to be absorbed into the ________________.
second last ans is push the mixture forward which allow the further digestion.
last one's ans is bloodstream
According to Lamarck, the
characteristics of organisms changed
because of:
extinction of competitors
a desire or need for that trait
special acts of creation
genetic mutation
chance
Answer:
According to Lamarck, organisms altered their behavior in response to environmental change. ... Their changed behavior, in turn, modified their organs, and their offspring inherited those "improved" structures.
Which statement is true about the products of cellular respiration?
They contain oxygen.
They contain glucose.
They become the products of photosynthesis.
They become the reactants of photosynthesis.
Answer:
They become the reactants of photosynthesis.
Explanation:
Answer:
They become the reactants of photosynthesis.
Explanation:
Give the other person brainliest
There are a number of so-called "high affinity" mutations in hemoglobin that may cause an elevated red blood cell count and a ruddy complexion. These may be associated with:
I. disruption of a hydrogen bond that stabilizes the T conformation
II. disruption of a hydrogen bond that stabilizes the R conformation
III. gain of oxygen binding capacity per hemoglobin tetramer
IV. loss of oxygen binding capacity per hemoglobin tetramer
V. decreased formation of salt bridges involving the C-termini of the alpha and beta chains when the protein is deoxygenated.
a. I, llI
b. II, III
c. III, IV, V
d. I, II, V
e. I, V
f. II, IV, V
Answer:
II. disruption of a hydrogen bond that stabilizes the R conformation
IV. loss of oxygen binding capacity per hemoglobin tetramer
V. decreased formation of salt bridges involving the C-termini of the alpha and beta chains when the protein is deoxygenated.
Explanation:
Internal adaptations are the traits created by an evolutionary process whereby a population becomes better suited to its habitat by adapting the function of its internal structures. What is an internal adaptation birds have that makes them well suited for flight? A) Beak B) Hollow bones C) Smooth feathers D) Crop and gizzard
Answer:
B) Hollow bone
Explanation:
Air sacs are attached to the hollow areas in a bird's bones. Essentially, their lungs extend throughout their bones. This helps birds take in oxygen while both inhaling and exhaling. This adds more oxygen to the blood, providing a bird with extra energy for flight.
Answer:
B hollow bones
Explanation:
BRAINLIEST!!!
YOU HAVE 5 MINUTES!!!!
Design an easy do-it-yourself compost bin that can be put (exnfe ffpao)
together at home. You can describe it, draw and label it, or both!
Include the following in your design:
• drawing or description of design
• materials used for the bin
• size of the bin
• substances used to fill it
• household items that can go in it
• how long it takes before it is ready
• how you use the compost
2)
Compost bin design: Add these household items to
your compost bin:
Compost is ready to use in this
much time:
Use your compost this way:
A description of the compost bin that can be used for this experiment is that the bin is a rectangle-shaped container that is made of wood. This container is 150 cm wide and 30 cm deep. It can hold up decaying materials for up to one month.
How to use the compostThe compost can be used to store decaying materials that will be used in a nearby farm for manure. Composting is the act of storing up decomposable materials that remain in a container until they are ready for use.
The compost so obtained can be used to improve the fertility of the soil where crops will be planted.
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why is the mid-ocean ridge made of volcanic rock?
Answer:
The Mid ocean ridge exists at a divergent plate boundary. As the tectonic plates move away from each other, magma rises up in the gap and then cools. Often forming basalt.
Explanation:
Red flowers (R) are dominant to white flowers (r). Parent 1 has white flowers. Parent 2 is heterozygous.
Answer: Rr X rr
Rr Rr rr rr
Explanation:
please help me, i’ll give brainlist and points please don’t be one of those people that go “link below”
Answer:
The answer is 4.
Explanation:
First step :)
Protists vary in structure and function more than any other group of organisms. However, here are some common traits: a.All have membrane-bounded organelles, and so are ___________________. b.Most are single-celled, or ___________________________. c.They get their food in several ways. Some contain chloroplasts and do photosynthesis, and so are considered __________________. Others ingest food particles and so are ____________________.
Answer:
a. eukaryotes
b. unicellular
c. autotrophs; heterotrophs
Explanation:
Protists represent a separate kingdom of eukaryotic organisms (ie., organisms whose cells have a nucleus). The most important features of protists include: 1- they are unicellular organisms, 2-contain mitochondria, 3-can be parasites, and 4-generally live in optimal conditions in moist or aquatic environments. In the past, protists were divided into Protozoa (animal-like organisms) and Protophyta (plant-like organisms), which nowadays we know are heterotrophic (also often parasitic) and photosynthetic protists, respectively.
The lymphatic system serves which purpose?
-to filter blood in the circulatory system
-to regulate leukocytes in the circulatory system
-to activate antibodies in the circulatory system
-to return lymph to the circulatory system
The lymphatic system serves the purpose D) to return lymph to the circulatory system.
What happens in the lymphatic system?Lymph is a clear fluid that bathes the tissues of the body. It is similar to blood plasma, but it contains fewer proteins and more white blood cells. The lymphatic system is made up of a network of vessels that collect lymph from the tissues and return it to the bloodstream. The vessels are similar to veins, but they have thinner walls and more valves.
The lymphatic system also includes lymph nodes, which are small, bean-shaped organs that filter lymph and produce white blood cells. The lymphatic system plays an important role in the body's immune system. It helps to remove waste products and toxins from the tissues, and it helps to fight infection.
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HELP! NEED ASAP! 20 POINTS
Heart cells produce the protein cardiac myosin, which is critical in allowing for muscle contractions of the heart. Liver cells do not produce cardiac myosin.
Which statement explains this difference between heart cells and liver cells?
Heart and liver cells express different genes.
Heart cells rely on , R N A, , while liver cells rely on , D N A, .
Heart cells contain different genes from liver cells.
Liver cells destroyed the gene for myosin, but heart cells did not.
The most accurate statement that explains the difference between heart cells and liver cells in terms of their production of the protein cardiac myosin is "Heart and liver cells express different genes."
In multicellular organisms, different cell types have specific functions and characteristics that are determined by the genes they express. Genes are segments of DNA that contain the instructions for producing specific proteins. Each cell type expresses a unique set of genes that enable them to carry out their specialized functions.
In the case of heart cells and liver cells, they have different gene expression profiles. Heart cells specifically express the genes responsible for producing cardiac myosin, a protein essential for the contraction of the heart muscle. This allows the heart to effectively pump blood throughout the body.
On the other hand, liver cells do not express the genes for cardiac myosin production, as the liver has different functions unrelated to heart muscle contraction. The statement that heart cells contain different genes from liver cells is essentially expressing the same idea. Heart cells and liver cells have distinct gene expression patterns, leading to the production of different proteins and ultimately different cellular functions.
Both heart cells and liver cells utilize DNA as the genetic material that contains the genes responsible for protein production. RNA molecules are transcribed from DNA and play a crucial role in protein synthesis, but the distinction between heart and liver cells lies in the specific genes they express, not the reliance on different genetic materials.
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"What kind of map are we looking at and what do the shadows and colors represent?"
Answer:
we are looking at a map of the world, and the colors represent different elevations.
Explanation:
2.2.1 2.2.2 State TWO possible advantages of using bananas as a vaccine against diseases. Give TWO reasons why people might be against the use of genetically modified bananas.
Advantages of using bananas as a vaccine against diseases: Oral Delivery, Cost-Effective Production.
Reasons why people might be against the use of genetically modified bananas: Safety Concerns, Moral Considerations.
1. Oral Delivery: Bananas can be consumed orally, making them an ideal vehicle for delivering vaccines. This eliminates the need for injections, which can be uncomfortable and require medical professionals to administer.
2. Cost-Effective Production: Bananas are relatively inexpensive to produce and are widely available in many parts of the world.
This makes them a cost-effective option for vaccine production and distribution, particularly in resource-limited settings.
Reasons against the use of genetically modified bananas as vaccines:
1. Safety Concerns: Some individuals may have concerns about the safety of genetically modified organisms (GMOs), including genetically modified bananas.
There may be uncertainties about the long-term effects of consuming GMOs, and fears of potential risks to human health and the environment.
2. Ethical and Moral Considerations: Opposition to genetically modified bananas may stem from ethical and moral concerns regarding the alteration of natural organisms.
Some people may view genetic modification as interfering with nature or raising questions about the boundaries of manipulating living organisms.
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How gamete formation leads to genetic variation.
Answer:
The process that produces gametes is called meiosis. During meiosis, homologous chromosomes (1 from each parent) pair along their lengths. ... At each chiasma, the chromosomes break and rejoin, trading some of their genes. This recombination results in genetic variation.
Answer:
Explanation:
During fertilisation, 1 gamete from each parent combines to form a zygote. Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote.
According to Duckworth, when combined with talent, grit is the __________ that results in skill.
According to Duckworth, when combined with talent, grit is the "key ingredient" that results in skill. Grit is the combination of passion and perseverance for long-term goals. It is sticking to your future, day in and day out, not just for a week, month, or year, but for years, and working hard to make that future a reality.
The idea of grit is a recent development in psychology. Angela Duckworth, a psychologist at the University of Pennsylvania, has defined the idea of grit and how it is a key element in personal success. According to her research, when combined with talent, grit is the key ingredient that leads to skill.
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Question 1 (5 points)
Write a biconditional statement for the following conditional statement.
If n is an even number, then it's divisible by 2.
If n is divisible by 2, then it's an even number.
If n isn't an even number, then it's not divisible by 2.
nis an even number if and only if it's divisible by 2.
2
If n is an even number, then it's not divisible by 2.
Answer:
n is an even number if and only if it's divisible by 2.
Explanation:
Biconditional statement is a type of statement which is only written when the both segments of the sentence are true. For writing biconditional statement, ''if and only if'' words should be used. For example, the two sides of the triangle are same if and only if both have same length. The biconditional statement considered as true if both the segments are true in nature. Symbolically, it is denoted by double arrows between two symbols.
SOMEOME PLEASE HELP ME THIS IS DUE TONIGHT!!! Bone is a dynamic tissue constantly undergoing change. As shown in the diagram below, two sets of bone cells work in opposition to one another to maintain bone homeostasis. Osteoblasts build bone, while osteoclasts break down bone. Blood calcium levels change in response to these cell activities.
1. Calcitonin is a hormone produced by the thyroid gland. Calcitonin is released whenever blood calcium levels go up. Calcitonin travels through the blood to bone, where it activates one of the two types of bone cells and inhibits the other type. Predict the type of cells that will be activated by calcitonin. Predict the type of cells that will be inhibited by calcitonin. Justify your responses.
2. Refine the diagram to show the regulatory mechanism that triggers the changes in bone-cell activity described in part a of the question. (4 points)
Answer: Calcitonin is released whenever blood calcium levels go up. It activates osteoblasts and inhibits osteoclasts. This response is due to the role of calcitonin in reducing blood calcium levels by promoting the deposition of calcium into the bone matrix. Osteoblasts are responsible for bone formation, and their activation by calcitonin allows them to actively incorporate calcium into the bone, thereby reducing the calcium levels in the blood. On the other hand, calcitonin inhibits osteoclasts, which are responsible for bone resorption. By suppressing osteoclast activity, calcitonin helps prevent the breakdown of bone tissue and further release of calcium into the blood. In summary, calcitonin activates osteoblasts to build bone and inhibits osteoclasts to prevent bone breakdown, ultimately reducing blood calcium levels.
Refining the diagram to show the regulatory mechanism:
Regulatory Mechanism
________________________
| |
| |
v |
Osteoblasts Osteoclasts
| |
| |
____________________________ ____________________________
| | | |
| | | |
| Calcitonin | | Calcitonin |
| (+) activates | | (-) inhibits |
| osteoblasts | | osteoclasts |
| | | |
| | | |
| | | |
| Bone Formation | | Bone Resorption |
| | | |
|____________________________| |____________________________|
In the refined diagram, the regulatory mechanism is shown between the two types of bone cells, osteoblasts and osteoclasts. The diagram illustrates that calcitonin activates osteoblasts (+) and inhibits osteoclasts (-). The arrows indicate the effect of calcitonin on the respective cell types, promoting bone formation by osteoblasts and suppressing bone resorption by osteoclasts. This regulatory mechanism helps maintain bone homeostasis by responding to changes in blood calcium levels.
Explanation:
which organelle is Covered with ribosomes and surrounding the nucleus.
I hope that RNA is the organelle that is covered with ribosomes and surrounding the nucleus.
Hope it helps you...
Which of the following cellular transport processes requires the greatest expenditure of cellular energy?
active transport
The cellular transport process requires the greatest expenditure of cellular energy in active transport.
Thus, the correct answer is active transport.
Trаnsports like diffusion, fаcilitаted diffusion аnd osmosis do not require energy. Аctive trаnsports like phаgocytosis, exocytosis, require energy.
During аctive trаnsport, substаnces move аgаinst the concentrаtion grаdient, from аn аreа of low concentrаtion to аn аreа of high concentrаtion. This process is “аctive” becаuse it requires the use of energy (usuаlly in the form of АTP). It is the opposite of pаssive trаnsport. Аctive trаnsport requires аssistаnce from cаrrier proteins, which chаnge conformаtion when АTP hydrolysis occurs.
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in an experiment the group is exsposed to the varible to be tesetd is called the
Answer: Experimental Group
Explanation: This group is being scientifically tested on and is exposed to the variable. Compared to a Control Group which doesn’t get scientifically tested on and isn’t exposed to the variable.
Hope this helps you, sweetie!
How is a single cell similar to a gray wolf?
Answer:
Grey wolf optimizer (GWO) is a newly developed metaheuristic inspired by hunting mechanism of grey wolves. The paramount challenge in GWO is that it is prone to stagnation in local optima. This paper proposes a cellular grey wolf optimizer with a topological structure (CGWO). The proposed CGWO has two characteristics. Firstly, each wolf has its own topological neighbors, and interactions among wolves are restricted to their neighbors, which favors exploitation of CGWO. Secondly, information diffusion mechanism by overlap among neighbors can allow to maintain the population diversity for longer, usually contributing to exploration. Empirical studies are conducted to compare the proposed algorithm with different metaheuristics such as success-history based adaptive differential evolution with linear population size reduction (LSHADE), teaching-learning based optimization algorithm (TLBO), effective butterfly optimizer with covariance matrix adapted retreat phase (EBOwithCMAR), novel dynamic harmony search (NDHS), bat-inspired algorithm (BA), comprehensive learning particle swarm optimizer (CLPSO), evolutionary algorithm based on decomposition (EAD), ring topology PSO (RPSO), crowding-based differential evolution (CDE), neighborhood based crowding differential evolution (NCDE), locally informed particle swarm (LIPS), some improved variants of GWO and GWO. Experimental results show that the proposed method performs better than the other algorithms on most benchmarks and engineering problems.
According to Newton's first law, an object in motion
will stay in motion unless:
a. A balanced force acts on it
b. An unbalanced force acts on it
c. It stops
d. It remains at rest
Science 6th grade, pls help
Unless an unbalanced force is acting on an object, Newton's first law states that it will stay at rest or move in a straight line at a constant speed.
What state does Newton's law claim an object in motion will remain in?Newton's first law states that any object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the application of an external force. Inertia is the propensity to resist changes when things are moving.
Does an object that is moving continue to do so?According to Newton's First Law of Physics, moving objects continue to move in the same direction unless they are affected by an imbalanced force. Things moving include among others, the US dollar, rates, inflation, and oil.
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PLEASE HELP ME WITH 10 and 11!! :(
Answer:
Please find the answers to numbers 10 and 11 of the attached image below.
Explanation:
10. This question lists the stages of mitosis namely: prophase, metaphase, anaphase, and telophase. The major events that take place in each of these stages are as follows:
A) PROPHASE:
- the supercoiled chromosomes known as chromatin begins to condense making it visible.
- spindle begins to emerge from the centrosome organelle.
- Nuclear envelope begins to break down in order to expose the chromosomes in the nucleus.
B) METAPHASE:
- The chromosome are aligned at the cell plate i.e. the equator/middle of the cell.
C) ANAPHASE:
- The sister chromatids of each chromosome i.e. replicated chromosomes are pulled apart at the centromere by spindle microtubules to the opposite poles of the cell.
D) TELOPHASE:
- Chromosomes at opposite poles begin to decondense into chromatin.
- The nuclear envelope reforms around the chromosomes
11) Cytokinesis is the process that occurs after mitosis (nuclear division). It is the process whereby the cell whose chromosomes are now separated into opposite poles divide into two. In other words, a cell divides into two in the cytokinesis stage.
how do we get energy from food?
Answer:
we get chemical energy from food
Explanation:
There is chemical energy in food so when you eat food you get chemical energy from it.
Label each process of sedimentary rock formation in the appropriate order.
Provide a scientific term for ‘breaking down’ of nutrients.
Answer: DIGESTION
Explanation:the breaking down of nutrients is know as digestion.DIGESTION is the process of mechanically breaking down food into substances for absorption into the bloodstream. Hope this helps!
a single stage of succession in any given ecosystem is technically referred to as a ________?
A) sere
B) trophic level
C) step
The stage of succession at trophic levels represents the stage of succession in the food chain in any ecosystem, but to understand more about the stage of succession we need to know that......
Trophic levelTrophic level, also known as food level, represents the biotic set (animals and plants) that integrate the same ecosystem, and in this ecosystem, have similar eating habits.
Ecological successionEcological succession concerns the gradual and progressive changes that occur in an ecosystem until it reaches a community with the maximum possible development. During this process, the colonization of an area and changes in the composition of the community occur, that is, a community is progressively replaced by a more complex one.
With this information can we state that the only stage of succession in any ecosystem is technically called the trophic level.
a) be
B) trophic level
C) step
Coming to the conclusion that, Trophic levels represent the stage of succession in the food chain in any ecosystem.
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Answer: C step
Explanation: i seen your question and i had this question on an test two days ago but the correct answer is step
5. Sharon wants to conduct an experiment to determine if increasing the concentration of
atmospheric carbon dioxide around a plant will affect the plant's rate of photosynthesis. She must
complete the following steps: 1.Make a graphic display with which to results to others. 2.Write down
data as she conducts repeated trials of the experiment. 3.Interpret her results. 4.Make a hypothesis.
In which order should Sharon complete these steps?
a. 4-2-3-1
b. 3-1-2-4
c. 4-3-2-1
d. 2-4-3-1
Sharon wants to conduct an experiment to determine if increasing the concentration of atmospheric carbon dioxide around a plant will affect the plant's rate of photosynthesis. The correct option is C 4-3-2-1 .
Plants and other living things employ a process called photosynthesis to transform light energy into chemical energy that can then be released through cellular respiration to power the organism's activities. The word "photosynthesis" comes from the Greek words "light" and "putting together," and refers to the process of creating molecules of carbohydrates from carbon dioxide and water. These molecules, such as sugars and starches, are then stored with some of this chemical energy. [1] [2] [3] Photoautotrophs are creatures that perform photosynthesis, including most plants, algae, and cyanobacteria. The majority of the energy required for life on Earth is produced and maintained by photosynthesis, which is also substantially responsible for producing and maintaining the oxygen content of the atmosphere.
Even though various species perform photosynthesis in different ways, the process always starts when energy from light is absorbed by proteins called reaction centers that contain the colored pigments/chromophores green chlorophyll (and other colors). Unlike bacteria, which have these proteins incorporated in the plasma membrane, plants store these proteins in organelles called chloroplasts, which are most prevalent in leaf cells.
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