Answers
Cytoplasm is where energy is produced, stored and manufactured. In eukaryotic cells, they need cytoplasm to perform metabolic activities, but to also keep the mitochondria and endoplasmic reticulum in place
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Related Questions
the process of liquid changing to a gas at the surface of the liguid is called?
Answers
Answer:
"evaporation."
Explanation:
Organisms that complete the final breakdown and recycling of organic materials from
the remains of all organisms are the
detritivores
omnivores
decomposers
O carnivores
Answers
Answer:
decomposers
Explanation:
These are heterotrophic organisms that feed on dead animals and plants, secretions, or discarded parts of living beings, that is, organic matter.
And they break it down into inorganic.
Thus, inorganic substances that can be reused in the process of photosynthesis are returned, recycled, to nature.
Climate mitigation can be pursued using the _____ approach.
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
precautionary
conservation
adaptation
wedge
Answers
Answer:
the answer is adaptation
Which of the following is true of integral membrane proteins?
A. They lack tertiary structure
B. They serve only a structural role in membranes
C. They are loosely bound to the surface bilayer
D. They are usually transmembrane proteins
E. They are not mobile within the bilayer
Answers
Answer:
D. They are usually transmembrane proteins
Explanation:
Membranes are made up of a phospholipid bilayer, cholesterol and various mimbrane proteins. The lipids consist of outward facing hydrophilic heads and inwards facing hydrophobic tails. Cholesterol molecules help maintain membrane fluidity.
Transmembrane proteins play an important role. These help to transport various molecules and ions like glucose, and Na+ across the selectively permeable bilayer. These are permanently embedded within the membrane as integral membrane proteins, and do not move around.
A bacteria cell a plant cell and animal cell have which structure in common
Answers
Answer:
So, an animal cell, a plant cell and a bacterium share the plasma membrane, cytoplasm and ribosomes.
Explanation:
B)Is gold heavier than silver?
C)Do apples taste better than oranges
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Answer:
B): Gold is in fact heavier than silver. Smaller gold objects will be heavier than silver objects even if they're both the same size.
C): I cannot answer this question because it would be an opinion. Both are good in nutritional value.
Explanation:
Which process connects glycolysis and the citric acid cycle?
lactic acid formation
acetyl CoA formation
electron transport
Krebs cycle
Answers
The formation of acetyl CoA connects glycolysis and the citric acid cycle in cellular respiration. It acts as the intermediary between these two processes.
Explanation:In cellular respiration, the process that connects glycolysis (a sequence of reactions that breaks down glucose) and the citric acid cycle (also known as the Krebs cycle that generates energy through the oxidation of acetate) is the formation of acetyl CoA.
At the end of the glycolysis, the pyruvate resulting from glucose is converted into acetyl CoA. This function of acetyl CoA acts as a link between glycolysis and the citric acid cycle. The two other processes you mentioned - lactic acid formation and electron transport - occur at different stages in cellular respiration and are not directly involved in linking glycolysis and the citric acid cycle.
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Look at the number of CHROMOSOMES in the chart. Then look at the chromosomes in the purple and green cells on the screen. After Meiosis I, the end result is
a) Four cells that each have half the number of chromosomes they started with
b) Two cells that each have their starting number of chromosomes
c) Four cells that each have their starting number of chromosomes
d) Two cells that each have half the number of chromosomes they started with
Answers
Answer:
D
Explanation:
Cells that become the _________ undergo a ____________ to __________ transition first. Fill in the blanks.
A. Neural crest, proliferation, apoptotic
B. Neural crest, mesenchymal, apoptotic
C. Myotome, mesenchymal, epithelial
D. Sclerotome, epithelial, mesenchymal
Answers
Answer:
Cells that become the sclerotome undergo a epithelial to mesenchymal transition first.
Explanation:
Since some of the epithelial cells transform into mesothelial cells or mesenchymal cells during the early development of embryos, which in turn give rise to Sclerotome, involved in the body's skeletal muscle formation.
Hence , the option D is correct .
El Ninos tend to result in cooler,wetter conditions across Texas.Which is likely to occur in Texas during El Ninos
Answers
El niño causes a drop in temperatures and increases in rainfall across Texas.
What is El niño?The unusual warming up of the surface of the water in the eastern tropical region of the Pacific ocean is termed El niño. El niño is a phase of the phenomenon called the El niño Southern Oscillation (ENSO).
El niño is the warmer phase of this phenomenon. The cool phase of the ENSO phenomenon is called the La niña. It results in the cooling of the regions of the water's surface.
El niño impacts the currents of the oceans starting from Australia to Southern America. It is an irregular event and can happen once from two to seven years.
Therefore, in texas, it results in a drop in temperatures and increases in rainfall.
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e:
Scientists think the earth is approximately how old?
2 billion years
3 billion years
for 4 12 billion years
612 billion years
Scientists think the earth is approximately how old
Answers
Answer:
4 billion
Explanation:
Answer:
4 billion
Explanation:
4 billion
Question 1
Write words or phrases that take the word nature down to three levels of abstraction.
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phrases words refer to intangible qualities, ideas, and concepts. These words indicate things we know only through our intellect, like "truth," "honor," "kindness," and "grace."
What was the climate like prior to the extinction ?
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Answer:
The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.
Select the answer that gives the correct order for these events:
A - Nuclear fusion happens in the core of a protostar to make new star.
B - The Big Bang takes place.
C - Ripples occur in the universe and move gases together.
Answers
Answer:
C,A,B
Explanation:
You perform an experiment in which chromatin is isolated from sea urchin sperm cells and briefly digested with micrococcal nuclease. When the chromatin proteins are removed and the resulting purified DNA is analyzed by gel electrophoresis, you observe a series of DNA fragments that are multiples of 260 base pairs in length (that is, 260 bp, 520 bp, 780 bp, and so forth). a) Although these results differ somewhat from the typical results discussed in the chapter, explain why they still point to the likely existence of nucleosomes in this cell type. b) What can you conclude about the amount of DNA that is associated with each nucleosome
Answers
Answer:
a) DNA fragments associated with histone proteins are all multiple in length (i.e., 260 bp, 520 bp, 780 bp, etc), thereby suggesting the presence of a pattern of organization in the chromatin
b) it suggests that each unit of organization (ie, each nucleosome) consists of 260 bp associated with chromatin proteins
Explanation:
The nucleosome is considered as the basic unit of chromatin. A nucleosome consists of approximately two turns of DNA wrapped around a core of eight histone proteins (i.e., a histone octamer). The histone octamer consists of two copies of each of the histones H2A, H2B, H3, and H4. Moreover, the nucleosomes are connected together by linker DNA sequences which vary between 10 and 100 bp in length.
Porque las enzimas actuan sobre algunas sustancias ñ
Answers
Answer:
SPAM
Explanation:
SPAM
SPAM
The wall of which of the following is thick and elastic. Single choice.
Vein
Arteries
Capillaries
Answers
Answer:
mmmmmmmmmmmmmm
Explanation:
what is Cellular respiration
Answers
Answer:
The process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
A testable hypothesis could be formed front which questions
Answers
A testable hypothesis is one that can be tested through empirical research, meaning that it is possible to gather evidence to support or refute it.
A hypothesis is a possible explanation that is proposed for a phenomenon that occurs in nature. In the scientific method, hypotheses are tested by collecting and analyzing data to either support or reject them.
A testable hypothesis could be formed from a question by using the following steps:
Identify the phenomenon that you want to study: Start by identifying the phenomenon that you want to study. This could be a relationship between two variables or a question about how something works. Develop a research question: Based on the phenomenon you want to study, develop a research question that can be answered through empirical research. This question should be specific and should be able to be tested using scientific methods. Formulate a hypothesis: Using your research question, formulate a hypothesis that can be tested through empirical research. This hypothesis should be a statement that proposes a possible explanation for the phenomenon you are studying. It should be clear, concise, and testable.
Test the hypothesis: Once you have developed a testable hypothesis, you can design and conduct experiments to gather data that will either support or refute the hypothesis. If the hypothesis is supported by the data, you can consider it to be a valid explanation for the phenomenon you are studying. If the data refute the hypothesis, you may need to revise it or develop a new hypothesis.
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Question 16 Multiple Choice Worth 2 points)
(06.04 MC)
A surgeon extracts developing sperm cells from a male. In what order will he cut through the tissues of the male to access the developing sperm?
Testis; vas deferens; scrotum
O Testis; scrotum; vas deferens
O Scrotum; testis, seminiferous tubule
O Scrotum, seminiferous tubule; testis
Question 17(Multiple Choice Worth 2 points)
(06.04 MC)
Answers
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When a woman goes into the first stage of labor, the oxytocin level in her plasma is 40 pg/ml, but during the second
stage of labor it is 123 pg/ml. Once the baby has been delivered the mother's oxytocin level is 64 pg/ml. Which type of feedback
mechanism is occuring?
A. Negative feedback
B. Positive feedback
Answers
Answer:
Positive Feedback
Explanation:
A positive feedback mechanism occurs in a contraction of uterus during childbirth.
What is a feedback mechanism?"It is a physiological regulation system in a living body that works to return the body to its normal internal state (or homeostasis)."It is of two types: positive feedback mechanism and negative feedback mechanism.In positive feedback mechanism: when activation of one component leads to the activation of another, it is known as positive feedback.
Example: During childbirth, the oxytocin level of a women into her first stage of labor is 40 pg/ml for uterine contraction, which activate more release of oxytocin for further contraction.In negative feedback mechanism: when activation of one component leads to the inactivation of another, it is known as negative feedback.
Example: when blood glucose level increase, the insulin are secreted which lowers the glucose level in blood.Hence, the correct option is: B. Positive feedback.
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What are the difference between cartilage and bony fish?
Answers
Answer:
Technically, the most obvious disparity between bony vs cartilaginous fish comes from the fact that the skeleton of bony fish is made of bones alone, while that of cartilaginous fish is made of cartilage. There are more than 20,000 fish species in the world
Explanation:
Question 1 A heterozygous yellow-seeded plant is crossed with a homozygous yellow seeded plant. i. ii. Question 2 Complete the punnet square and write the genotypic and phenotypic ration for the possible offsprings. (3 marks) Genotypic ration Phenotypic ration What is the probability of having a pure breeding green seeded offsprings (2 marks) What is the probability of having a yellow-seeded plant in F2 generation, when a true breeder from F1 is crossed with a non-true breeding yellow seeded plant? (2 marks)
Answers
Answer:
Explanation:
To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."
i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:
Y Y
y Yy Yy
y YY YY
ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.
The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).
Question 2:
To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.
Three different small organic ligands can each bind to a protein but only one ligand can bind to the protein at a time. The KD for ligand 1 binding to the protein is 100 nM The KD for ligand 2 binding to the protein is 72 nM The KD for ligand 3 binding to the protein is 9 nM Which of the three ligands binds tightest to the protein?
Answers
Answer:
Explanation:
The binding affinity in ligand binding is measured using the equilibrium dissociation constant (KD).
The larger the dissociation constant value, the more weakly the target molecule and ligand are attracted to and bind to one another.
This, in this case study, the ligand that binds tightest to the protein is ligand 3 with a binding affinity of 9nM followed by Ligand 2 and then 1.
When jaw become large enough to hold the permanent teeth . The milk teeth fall and permanent teeth appear
Answers
The "exfoliation" or "shedding" of milk teeth is the name of the procedure.
What is the Dentition of Humans?The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).
Four Different Teeth Types and Their Purposes
The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:
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Explain a benefit of heat energy to work. Heat energy will always produce more work. Heat energy is the only source of work. Heat energy can transfer energy to help with movement of objects. Work cannot be done without heat energy.
Answers
Answer:
heat energy
Explanation:
Heat energy will always produce more work. Heat energy is the only source of work. Heat energy can transfer energy to help with movement
Which factors changed throughout the experiment? Check all that apply
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In the experiment, two factors changed throughout the course of the study: the genes of the parental mice and the fur color of the offspring.
The genes of the parental mice: The experiment involved studying the genetic makeup of the parental mice, specifically focusing on the alleles responsible for fur color. The researchers likely examined the genes of the parental mice to determine which alleles they carried and how they could potentially be passed on to their offspring. By studying the genetic composition of the parental mice, the researchers could track the inheritance pattern of the fur color trait.
The fur color of the offspring: The primary objective of the experiment was to investigate how fur color is inherited in mice. To achieve this, the researchers likely observed and recorded the fur color of the offspring produced by the parental mice.
As the experiment progressed and new generations of mice were born, the researchers would have noticed changes in the fur color of the offspring. By comparing the fur color of the offspring to the known genetic makeup of the parental mice, they could analyze the inheritance patterns and determine whether specific alleles were dominant or recessive.
The Question was Incomplete, Find the full content below :
Which factors changed throughout the experiment? Check all that apply.
the trait examined, fur color
the organism, mice
which allele was dominant and which allele was recessive
the genes of the parental mice
other aspects of the mice
fur color of the offspring
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Describe how the process of photosynthesis uses sunlight to produce glucose and how this molecule is broken down in the cell to produce energy / ATP.
Answers
How does Global Positioning Satellite (GPS) help to make the effects of wildfires less severe? (1 point)
O GPS identifies the borders of the wildfire and use data to predict where the fire will spread.
O GPS is the material that homes and other items are constructed from that make them fire-resistant.
O GPS is the emergency notification system that alerts communities when it is safe to re-enter their homes after the threat of a wildfire.
O GPS lowers air temperature and winds during times of high risk for wildfire.
Answers
GPS identifies the borders of the wildfire and use data to predict where the fire will spread.
What is GPS?This is defined as global positioning satellite and it helps to determine the ground location of an object.
In the case of wildfire, it helps to determine the the location of the wildfire and use data which to predict possible areas where it can spread thereby making option A the most appropriate choice.
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Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.
Answers
The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.
What is Atoms?A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.
The atoms in this process move from a higher-energy state to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.
Therefore the correct option is d.
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