Answer:
Mercury is wracked by intense magnetic disturbances more extreme than any on Earth, new research suggests
Explanation:
the small, rocky planet also experienced volcanic activity for much longer than once thought, according to several new studies base don observations during the latest flyby of the small, rocky planet by a NASA spacecraft.
Which joints are used while doing these activities?
a Jogging
b. Writing
c. Cycling
how lysosomes may be involved in the removal of the interdigital membrane of the developing mammalian fetus
Answer:
Lysosomes have the function of digesting substances, this function allows it to be involved in the removal of the interdigital membrane of the developing mammal fetus.
Explanation:
Lysosomes are organelles formed by numerous digestive enzymes. These enzymes allow lysosomes to be able to digest substances and even cellular apparatus, when needed.
The digestive function of lysosomes can be observed in the removal of the interdigital membrane of the developing mammalian fetus, by the action of digestive enzymes that have the ability to remove this entire membrane and any other undesirable tissue for the next stages of development of the fetus.
What best describes the Frank-Starling law?
a. The Frank-Starling law states that the slower the heart rate, the greater the cardiac output.
b. The Frank-Starling law states that the greater the volume of blood discharged from the heart, the greater the pressure required to discharge the blood.
c. The Frank-Starling law states that the greater the stroke volume, the greater the heart rate.
d. The Frank-Starling law states that the more the ventricular muscle cells are stretched, the more forcefully they contract.
Answer:The Frank-Starling law states that the greater the volume of blood discharged from the heart, the greater the pressure required to discharge the blood
Basically, the FSL states that the greater the stroke volume of the left ventricle will increase, as the volume of the the ventricles increases due to ventricular contraction, leading to systolic contraction.
If the volume of the blood in the Ventricle is increased, the blood volume stretches the ventricular walls and the ventricle contracts.The amount of blood ejected from the ventricle increased(stoke volume).Therefore, the higher the contraction of the ventricles, Myocyte stretch, the more the volume of blood in the ventricle pushed, and the more the amount of the blood ejected from the ventricle as Stroke Volume.
Explanation:
a group of environmentalists was discussing the benefits and drawbacks associated with using fossil fuels. which argument best fits the conversation.
The question is incomplete as it lacks the apropriate options. However, the options are as follows:
1. Fossil fuels are cheaper than alternative forms of energy.
2. Fossil fuel reserves will never be depleted.
3. Fossil fuels are easily renewed.
4. Fossil fuel use does not affect the environment.
Answer:
Option 1. Fossil fuels are cheaper than alternative forms of energy.
Explanation:
Fossil fuels are made by the natural procedure in a more extended time frame, for example, anaerobic decay of the dead living resembling plants, and creatures. These plants and creature's decayed naturally to pilled up to frame coal, or common gases or raw petroleum.
By the utilization of these fuels, the stores are constantly exhausting and as it can not be recharged it will not present in the future. Non-renewable energy sources expand the greenhouse gases in condition and influence it by increasing carbon in climate. Be that as it may, these energizes are less expensive in comparison to different fuels.
Therefore, the right answer is - Fossil fuels are cheaper than alternative forms of energy.
In order for the muscle fatigue to end the muscle cells must be provided with
Answer:
oxygen
Explanation:
Everything needs oxygen, even your cells because oxygen is crucial in process of ATP production which basically powers all of our actions. Hence, when you cells have low O2 your muscles will tire out quickly due to lack of energy thus you need to replenish them with Oxygen so that you can put an end to fatigue.
Which of the following are the four categories of pharmacokinetics? Diffusion, active transport, interspersing, and storage Ingestion, metabolism, interspersing, and excretion Ingestion, settling, movement, and storage Absorption, distribution, metabolism, and excretion
Answer:
Absorption, distribution, metabolism and excretion, it is for that reason that they are collectively known as ADME.
Explanation:
Pharmacokinetics can be referred to as the study of the absorption dynamics of a particular drug, the mechanisms involved in its distribution in the body, its metabolism and finally excretion. Pharmacokinetics is used to quantify the time and rate of drug absorption, thereby it also enables to calculate the temporal changes in concentration of one drug within an organism.
State the difference between sex limited trains and sex influenced traits. According to your perception which one is more Penetrance? (no more that 3 lines)
Answer: Penetrance can be defined as an extent to which a particular gene or set of gene is expressed in the phenotype.
Explanation:
Sex-limited traits are those traits that can observed in organisms belonging to a particular sex or gender. For example, barred coloring in chicken are observable only in roosters.
Sex-linked traits are traits or genes that are carried by either sex chromosomes are sex linked traits. The traits is sickle cell anemia.
Sex-linked traits is of more penetrance, because the trait will be expressed by either sex chromosome X or Y.
Review the equations used to describe photosynthesis and respiration (as provided in the introduction and background section of this experiment). Why was it important to use germinated seeds without leaves for this experiment?
Answer:
1. Photosynthesis equation: 6CO2 + 6H2O + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen.
Respiration equation : C6H12O6 + 6O2 --> 6CO2 + H2O + ATP
2. Provided that the seeds had leaves the response between the NaOH and the CO2 would be destroyed by the leaves which would change the oxygen levels in the test tube or cylinder.
Explanation:
Photosynthesis and respiration both are the essential parts of the carbon cycle in atmosphere. Photosynthesis use carbon dioxide from the atmosphere while respiration releases carbon dioxide back in to atmosphere. CO2 is the major component that helps in carbon recycle in carbon cycle.
In this experiment it is required to use the germinated seeds without leaves because seeds with the leaves will disrupt the reaction of NaOH and carbon dioxide that will lead to inaccurate oxygen level in the experiment tube.
Thus, the correct answer is :
1. Photosynthesis equation: 6CO2 + 6H2O + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen.
Respiration equation : C6H12O6 + 6O2 --> 6CO2 + H2O + ATP
2. Provided that the seeds had leaves the response between the NaOH and the CO2 would be destroyed by the leaves which would change the oxygen levels in the test tube or cylinder.
what is the importance of enzymes for living beigns
Answer:
Explanation:
The importance of enzymes in living beings is the way it accelerates chemical reactions in our bodies which make up the life processes that we all go through. They help break down food in our bodies, and are used to bind other molecules in our bodies together to create another one.
_________10. Which of the following groups of plants carry out light dependent and light independent reactions of photosynthesis in separate cells?
A. Plants with chlorophyll C. C3 – plants
B. CAM Plants D. C4 – plants
15 point
Answer:
D. C4 plants
Explanation:
Photosynthesis is the process by which plants and other photoautotrophs synthesize carbohydrates and oxygen from carbon dioxide, water, and light energy in chloroplasts.
Photosynthesis occurs in two stages:
The light-dependent reactions and
The light-independent reactions, or Calvin Cycle.
Light-dependent reactions occur in the presence of sunlight. In these reactions, energy from sunlight is absorbed by chlorophyll and converted into stored chemical energy, in the form of NADPH and ATP. The light-dependent reactions take place in the thylakoid membranes in the grana within the chloroplast.
Light-independent reactions or Calvin cycle: In these reactions, the energized electrons from the light-dependent reactions provide the energy to form carbohydrates from carbon dioxide molecules. There are three phases to the light-independent reactions: carbon fixation, reduction reactions, and ribulose 1,5-bisphosphate (RuBP) regeneration.
C3 plants carry out both the light-dependent and the Calvin cycle within the choroplast organelles. They carry out the Calvin cycle by producing a three-carboncompound called 3-phosphoglyceric acid, hence the name C3.
C4 plants carry out photosynthesis in a two-stage process that first produced a four-carbon intermediate compound in the chloroplast of a thin-walled mesophyll cell. Once synthesized, the plant pumps the intermediate compound into a thick-walled bundle sheath cell, where it splits the compound into carbon dioxide and a three-carbon compound. The carbon dioxide then undergoes the Calvin cycle.
CAM (crassulacean acid metabolism) plants carry out photosynthesis by absorbing sunlight energy during the day, and then using the energy to fix carbon dioxide molecules during the night.
At the molecular level, gene duplication often produces novelty in a lineage. This process provides another evolutionary pathway by which a protein can switch functions, without loss of the original function. What analytical approach helped the most to answer the question of evolution in the aldosterone-M receptor pair in the study of Jamie Bridgham and her colleagues
Answer:
Bridgham et al. (2006) showed that the interaction between a steroid hormone (aldosterone-M) and its receptor (mineralocorticoid) evolved by Darwinian gradualism. In this work, the authors demonstrated a primitive affinity between the hormone and its receptor that was initially present in chemically similar but more ancient ligands. This result has implications in understanding the association between gene duplication and the evolution of hormone signaling pathways. For example, in invertebrates, this work reinforces the importance of gene duplication in the existing interaction between paralogous glucocorticoid receptors and their receptor mineralocorticoid genes that were derived from duplication (Thornton 2001).
The publications above cited are the following:
J.T. Bridgham, S.M. Carroll, and J.W. Thornton (2006). Evolution of hormone-receptor complexity by molecular exploitation. Science, 312(5770), 97-101.
JW Thornton. Evolution of vertebrate steroid receptors from an ancestral estrogen receptor by ligand exploitation and serial genome expansions, Proc Natl Acad Sci USA (PNAS), 2001, vol. 98 10 (pg. 5671-5676).
A paved blacktop parking lot was built on what was once a soil-covered field. This area will now experience increased runoff when rain occurs because the paved parking lot has
a. less capillarity
b. greater infiltration
c. greater porosity
d. less permeability
If the area has to experience increased runoff when rain occurs, the paved parking lot has less capillarity.
What is capilarity of soil?The term capilarity of soil has to do with the water holding capacity of soil. The lesser the capilarity of the surface, the greater the capilarity of the surface.
As such, if the area has to experience increased runoff when rain occurs, the paved parking lot has less capillarity.
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help me pleasee........
Answer:
Second Question:
If a doctor prescribes antibiotics, its because the you have developed a bacterial infetcion on top of your flu or HIV for example.
Explanation:
Suppose you are involved in a project studying a population of Dalea purpurea (purple prairie clover), a diploid, bee pollinated plant growing at Cayler Prairie in NW Iowa. You collect a sample from 100 individuals and assay DNA sequence variation at the apetala locus, which controls floral morphology. You find two distinct sequences: L and S. Individuals that are LL have very large petals, LS plants have medium sized petals, and SS plants have small petals. Your sample of plants yields the following observed and Hardy-Weinberg expected (HWE) genotypic counts:.Genotype: Observed Counts: HWE Counts:LL 14 9LS 32 42SS 54 49a. The population is in Hardy-Weinberg equilibrium, giving no indication of the preferences of the bees.b. LS heterozygotes are favored due to hybrid vigor.c. Bees are preferentially visiting smaller flowers resulting in a reproductive advantage for plants with smaller petals.d. LL genotype plants have a reproductive advantage due to their larger flowers.e. Bees preferentially cross-pollinate flowers of the same size (like size mating with like) resulting in inbreeding with respect to genotypes at the apetala locus.
Answer:
Option E
Explanation:
Bees preferentially cross-pollinate flowers of the same size (like size mating with like) resulting in inbreeding with respect to genotypes at the apetala locus.
Inbreeding increases the frequency of homozygousity and deviates from the assumptions of the hardy Weinberg's principle
The meninges is a three-layered, membranous covering of the brain and spinal cord. Read the descriptions below and then click and drag them into the appropriate box based on whether they pertain to the dura mater, the arachnoid mater, or the pia mater.
The question is incomplete as it does not have the options which have been provided in the attached file.
Explanation:
1. Dura mater: the dura mater is the most superficial layer which is characterized by the folds. The dura mater forms the walls between the hemisphere of the brain that is between right and left halves of the cerebellum. The structure present in the dura mater is tentorium cerebelli and super sagittal sinus.
2. Pia mater: the deepest layer present which is adhered to the tissues of the brain. The cortical gyri blood vesicle are superficial to the pia mater.
3. Arachnoid mater: the middle layer which is characterised by transparent and gelatin-like appearance.
_________14. In photorespiration, carbondioxide is produced in the _________ when glycine is converted to serine.
A. Peroxisome B. Lysosome C. Mitochondria D. Chloroplast
Answer:
Option D, chloroplast
Explanation:
The process of photorespiration starts in the chloroplast when oxygen attaches to the RuBP. This produces three compounds namely – a) Three carbon compound (3-PGA) and b) Two carbon compound (phosphoglycolate). 3-PGA act as an intermediate to the Calvin cycle and before entering this cycle two of its carbon are removed. To recover lost carbon, plants taken in carbon through series of reactions involving phosphoglycolate. One fourth of the total carbon transported through this pathway is released as CO2. Since this entire process takes place in chloroplast, it can be said that CO2 is produced in chloroplast
Hence, option D is correct
1. When you go outside on a hot summer day, usually your body begins to sweat. Why does
your body do this?
This is because the temperature of body increases and by which the excess water from body comes out from our body in the form of sweat...
The most abundant element in the atmosphere can also be found in?
Answer:
beans and whey protein.
What defines a hypothesis?
Accepted idea
Educated guess
Observed inference
Testable explanation
Answer:
an observed inference
The correct answer is the second one, educated guess.
Why are nonnative species a threat to biodiversity? Check all that apply.
They provide more niches for animals to live in.
They do not have natural predators to regulate their population growth
They cause the climate in an area to become cooler.
They provide food resources to native organisms.
They compete with native organisms for resources.
Previous Activity
The correct answers are B. They do not have natural predators to regulate their population growth and E. They compete with native organisms for resources.
Explanation:
Nonnative species include any species that does not belong to an ecosystem but was introduced to it. Nonnative species are considered are an important threat to biodiversity and native species because they usually disrupt the natural equilibrium in the ecosystem.
This usually occurs because nonnative species population grow rapidly due to the lack of natural predators; for example, Asian carps which are native from Asia and were taken to the U.S. are eaten by other fish and animals in their native ecosystem, but once they are introduced in another ecosystem their population increases due to lack of predators. Additionally, nonnative species often compete with native species for resources, this also happens with the Asian carp that competes for food such as snails or mussels with native species in the U.S.
Answer:
b,e
Explanation:
Which statements describe the planets? Check all that apply.
Answer:
planets are celestial bodies which revolutate around the sun
Answer:
A C E F
Explanation:
on Edge
maintaining a balance within the organism is called
The allele for a widow’s peak has complete dominance over the allele for a straight hairline (w). What is the probability of two parents heterogeneous for a widow’s peak (Ww) having an offspring without a widow’s peak?
Answer:
25
Explanation:
Answer:
75 Percent
Explanation:
What is Obama´s last name
Answer: Obama
Explanation:
Answer:
Barack Hussein Obama
Explanation:
Barack Hussein Obama
is it a good idea to sterilized thins that are to be sent to the moon
Answer:
Yes, it is a good idea to send the objects on the moon after sanitization or after sterlization so that it not causes harm in any way.
There is a bit different type of environment on the moon and the objects must not be sent as it is on the way.
The objects has to be sterlized so that it does not reacts entering into the moon's environment.
The objects sent on the moon are usually metals and other reactive or non reactive materials that can affect the people carrying the objects, spaceship or via any other means.
So, its better to send sterlized things into the space so that it cannot harm anyone.
Which of the following terms is used to describe the physical characteristics of the individual?
Answer:
there are no answer choices lol
Explanation:
charactistics
physical features
profile
attributes
Phenotype is the term used to describe the physical characteristics of the individual. They are the observatory traits of an organism.
What is phenotype?A phenotype is a set of observable features or attributes of an organism in genetics.
The phrase refers to an organism's morphology, or physical shape and structure.
As well as its developmental processes, biochemical and physiological features, behavior, and behavioral outcomes.
Thus, the term for the physical characteristics of the individual is the phenotype.
Learn more about phenotype
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A mammalian cell is placed in freshwater and bursts from osmotic pressure. Which of the following explains this process?
A)Water moves out of the cell.
B)Solutes move out of the cell.
C)Water moves into the cell.
PLEASE HELP!! In a population, the number of organisms hovers around 10 per acre. When the number goes much higher, the organisms cannot find enough food, and some don't survive. When it goes much below, they thrive and reproduce quickly. What is the limiting factor in this example? *
Answer:
food and land
Explanation:
A limiting factor is the one that limits the growth of any organism’s population. Here the population growth of an organism is limited by both availability of food and land. As the population grows, the food availability gets limited and hence most of the organism die.
But when the population reduces, the food quantity becomes surplus and thus the organisms survive.
Answer: Food and land
Explanation:
That is what it is a limiting factor of because they dont have the neccesary food and land
Behavioral and social cognitive theories emphasize
Answer:
Explanation:
Social cognitive theory emphasizes how cognitive, behavioral, personal, and environmental factors interact to determine motivation and behavior. Social cognitive theory was presented by Albert Bandura in response to his dissatisfaction with the principles of behaviorism and psychoanalysis.
Behavioral and social cognitive theories emphasize the influence of learning and cognition on human behavior.
Behavioral and social cognitive theoriesBehavioral theories, such as classical and operant conditioning, focus on how external stimuli and reinforcement shape behavior. They emphasize the role of environmental factors in shaping and modifying behaviors.
Social cognitive theories, such as social learning theory, highlight the importance of observational learning, modeling, and cognitive processes in understanding behavior. They emphasize that individuals learn not only through direct experience but also by observing others and the consequences of their actions.
Social cognitive theories also emphasize the role of self-efficacy beliefs and how individuals' perceptions of their abilities influence their behavior.
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Which term refers to a solution with more of the same kind of molecules outside the cell than inside the cell?
Answer:
Hypertonic
Explanation:
Hypertonic solution is a solution that has higher concentration of solute outside the cell than inside the cell. It has higher osmotic pressure than another solution.
Example is any glucose solution that with a concentration higher than 5%.
Answer:A
Kkq
Explanation: