Answer:
Ribosomes create the thermoreceptors of the body. Another example of a homeostatic condition maintained by proteins is blood-glucose levels. When our blood-sugar levels get too high, specialized cells in the body release a protein hormone called insulin.
Explanation:
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~Zero~
Answer: Ribosomes play a key role in homeostasis. Without ribosomes, a cell would not make proteins. A cell with no ribosome would simply not function. With no protein reproduction to maintain the cell wall there would be no barrier to keep invasive bodies from damaging the inner workings of the cell, there would be no way to produce the needed proteins for rebuilding and maintaining the cell.
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The female gametophyte is a _______ structure called an embryo sac, while the male gametophyte is a _______ structure called a pollen grain. When pollen attaches to the stigma of a flower, one of the sperm cells fertilizes an egg cell, producing a _______ zygote. Another sperm cell fertilizes the polar nuclei, forming a ________ endosperm. The _____ will eventually develop into the sporophyte.
The answers to the blank spaces in the question are as follows:
HaploidHaploidDiploidTriploidZygoteWhat is double fertilization?Double fertilization is a specific feature of angiosperms involving two male gametes and one female gamete.
In double fertilization, both the female and male gametes are haploid structures i.e. contain one set of chromosome.
One of the haploid sperm cells fertilizes an haploid egg cell, producing a diploid (2n) zygote. However, the other sperm cell fertilizes the polar nuclei, forming a triploid endosperm.
The zygote will eventually develop into the sporophyte (vegetative plant).
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Is NaCI a diatomic element
Answer:
Yes.
Explanation:
HCl, NaCl, and KBr are all examples of diatomic elements.
The feature of earth movement that takes about 26000 years is called
It takes Earth's axis about 26,000 years to complete a circular "wobble." This wobble is called axial precession. Earth's axis helps determine the North Star, and axial precession helps change it.
Answer:
Precession
Explanation:
its precession
_____ plants are able to reduce photorespiration by creating a _____ concentration of _____ in bundle sheath cells where the calvin cycle occurs.
Answer:
C4,high, CO2Explanation:
An antigen has invaded a mammal's body. Specific immune cells engulf and ingest it. Some of the digested pieces are displayed on the cells' bodies. What happens next?
Answer:
The correct answer is A- B cells are activated and release antibodies
Explanation:
When an antigen invades a mammals body, specific immune cells engulf and ingest it. Some of the digested pieces are displayed on the cells bodies, the next step will be that B cells are activated and release antibodies.
Can someone please help with number 38
Answer:
The answer is (c)
Explanation:
Placenta previa. The placenta is a structure that develops in the uterus during pregnancy.
Please Help!!
Which subgroup of dinosaurs’ name means “shield bearer”?
A. sauropodomorphs
B. thyreophora
C. ceratopsians
D. ornithopods
Answer: B) thyreophora
Which abiotic component of its ecosystem did the owl in the picture above use to build a safe nest?
OA. air
OB. rocks
OC. trees
Answer:
The answer is rocks
Explanation:
Abiotic factors are nonliving, and biotic factors are living or once living. The tree twigs were once living, and the air wasn't used, so the rocks are the only answer left.
Hope this helps!
n aliens, yellow eyes are dominant over red eyes. Two monsters who both have yellow eyes have a baby monster who has red eyes. The daddy monster is convinced that the hospital gave them the wrong baby monster! You are brought in to solve the case! Could this REALLY be their baby? WHY OR WHY NOT????
Answer:
Yes
Explanation:
If one of the babies parents had a red eye rececent gene (a gene from THIER parents) then the baby monster would have red eyes, since red is dominant over yellow.
Why is the countercurrent system of flow important for fishes?
Question: Why is the countercurrent system of flow important for fishes?
Explanation and answer: Fishes use a design called 'countercurrent oxygen exchange' to maximize the amount of oxygen that their blood can pick up. They achieve this by maximizing the amount of time their blood is exposed to water that has a higher oxygen level, even as the blood takes on more oxygen.
I hope this helped you a lot with your schoolwork.
I hope you have a wonderful week!
Help please tell me if I'm wrong
i believe the answer is C. however I'm not certain.
Why do many people believe the current aid to Africa situation is doing more harm than good?
A) Countries are only relying on charitable contributions from religious based organizations.
B) There is not enough money being sent to Africa to do enough good.
C) Most government to government aid has been pocketed by corrupt officials.
D) Most people in Africa are not educated enough to use the money wisely.
Answer:
yes it is C
Explanation:
i saw the answer on quizlet
Which BEST describes the effect on the respiratory system if the human body did not contain a circulatory system?
A
Explanation:
If the body had no respiratory system, then the body would not be able to exchange gases which may lead to body suffocation and then death
What is the difference between a rock and a mineral?
PLEASE HELP ME MENTALLY AND PHYSICALLY!!!
Answer:
what they are classified as the chemicals in them and what category there in
Explanation:
A mineral is a solid, inorganic, naturally occurring, ordered arrangement of an element or compound that has a fairly specific composition.
Answer:
rocks are made up of different minerals
in geology a mineral is a naturally occuring chemical compound that can be found in the ground and mountains
Explanation:
example
schist is a rock
some of the minerals inside of schist are :
quartz , graphite and talc
quartz are used in watches
graphite are in pencils
talc used to be used for talcum baby powder
schist is found in the bedrock of new york and is very strong
thats why new york can have such tall buildings
wikipedia britannica bgsacuk opentextbcca massgov
Planning an investigation
Design your own experiment to test how your body changes du changes in heart rate, breathing rate, or any other parameter occurring during exercise.
Part A First, formulate a question to answer through scientific investigation. Keep in mind that you should be able to answer your question with measurable data. Write your question here.
Answer:
An experiment to check a person's fitness is designed. The below mentioned parameters are checked
At room temperature, dry ice (carbon dioxide, CO2) changes directly from solid to gas. What happens as the solid dry ice turns into carbon dioxide gas?
A.CO2 molecules lose mass to become gas.
B.CO2 molecules release heat energy to the air.
C.CO2 molecules absorb heat energy from the air.
D.CO2 molecules react with oxygen and become gas.
Answer:
A
Explanation:
Carbon dioxide is a gas at room temperature.
When the solid dry ice turns into carbon dioxide gas, the carbon dioxide molecules release heat energy into the air. Thus, the correct option for this question is B.
What happens when the solid dry ice turns into carbon dioxide gas?When the solid dry ice turns into carbon dioxide gas, the process of sublimation occurs. This process of sublimation significantly converts the dry ice into a gas in the form of water vapor.
It may be revealed that dry ice is known for carbon dioxide in its solid state of matter. The unique property of this dry ice is that it ultimately turns from a solid to gas at room temperature. This is because it provokes water vapor in the air to be condensed into droplets of water thus constructing a fog appearance.
Therefore, the molecules of carbon dioxide release heat energy into the air. Thus, the correct option for this question is B.
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True or False: In a box and whisker plot, 50% of the data is between Q1 and the median
Answer:
Minimum = 0%
Q1 (Lower Quartile) = 25%
Median = 50%
Q3 (Upper Quartile) = 75%
Maximum = 100%
That is true. In a box and whisker plot, Q1 is the first quartile (first 25% of the data) is between the lower quartile (Q1) and the median. The median is the middle, so 50% will fall between Q1 and the median. It's important to understand the various measures of central tendency and how they can be used to analyze the spread of data within a given set, which can provide valuable insights and understanding about the overall trends present within the data.
The two different X in Y individuals plays a role in increasing genetic biodiversity
The statement 'two different X in Y individuals plays a role in increasing genetic biodiversity' is TRUE. It is a system for se_xual reproduction.
What are X and Y chromosomes?The X and Y chromosomes represent a manner by which organisms with se_xual reproduction can produce offspring.
In humans, the presence of two X chromosomes produces females, whereas the presence of one Y chromosome generates males.
Se_xual reproduction is fundamental for producing new gamete combinations in offspring.
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The following sequence is labeled from 5’ to 3’ Write out the complementary strand (3' to 5'). Then, write out the mRNA strand that
transcribes the template strand,
5' ACGATGCGAGATAATGTG 3’
What is always at the start of natural selection?
A: reproduction
B: mutation
C: passing on genes
Answer:
passing on genesExplanation:
Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.
Which step constitutes the power stroke of muscle contraction?.
Butterflies laying their eggs on milkweed plants occurs at what level of the biosphere hierarchy? a. Ecosystem b. Biome c. Population d. Community.
Butterflies laying their eggs on milkweed plants occurs at the community level of the biosphere hierarchy.
What do you mean by Biosphere?The biosphere may be defined as the area of the planet where organisms live, including the ground and most commonly air.
During the process of pollination, butterflies lay their eggs on the milkweed plant, which is considered under the community level of the biosphere hierarchy.
Therefore, Butterflies laying their eggs on milkweed plants occurs at the community level of the biosphere hierarchy.
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Answer: d
Explanation:
How and why do organisms interact with one another?
Answer:
It's in their makeup to interact
Explanation
They need to interact to survive, to exist, to reproduce!
Answer:Organisms interact because of mating, competition for food resources, defense, and assertion of dominance.
Explanation:
What do you think influences how fast a river flows?
Answer:
how ever fast the wind is
Explanation:
Answer:
The shape of its channel, the gradient of the slope that the river moves along, the volume of water that the river carries, and the amount of friction caused by rough edges within the riverbed.
Explanation:
Everything above what I said: is influencing the speed of a river
Select all of the limiting factors that are density-dependent. question 12 options: fire disease predation hurricane competition for food competition for light flood waste accumulation
The limiting factors that are density-dependent are disease, competition and predation.
What are the four main limiting factors in an environment?The common limiting factors in an ecosystem are food, water, habitat, and mate. The availability of these elements will impact the carrying ability of an environment.
As the population increases, food demand increases as well. Since food is a limited resource, organisms will begin competing for it.
Thus, disease, competition and predation are limiting factors.
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Muscle tissue, one of the four basic tissue groups, consists chiefly of cells that are highly specialized for.
Muscle tissue, one of the four basic tissue groups, consists chiefly of cells that are highly specialized for contraction.
What is muscle tissue?Muscle tissue are body tissues that are made up of cells, these cells helps to produce movement of the various body part.
This movement are enhance through contraction of the muscle and the tissue are adequately supplied with blood vessels.
Therefore, muscle tissue, one of the four basic tissue groups, consists chiefly of cells that are highly specialized for contraction.
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Which best describes how human circulatory and respiratory systems interact
Answer:
When a person inhales, the lungs expand and fill with fresh air. The respiratory system interacts with the circulatory system to transfer oxygen from fresh air to red blood cells in the lung arteries while also releasing carbon dioxide from the blood into the air in the lungs. When a person exhales, this used air leaves the body.
Explanation:
Describe two effects that ingesting microbeads has on aquatic organisms.
Answer:
micro-beads can cause blockages in the digestive tracts of aquatic organisms.
This can prevent digestion of food hence the organism will eventually die of starvation.micro-beads can increase organic matter in a pond hence killing the aquatic organisms present.
This increases the number of decomposers which grow rapidly and use a great deal of oxygen during their growth and lead to depletion of oxygen as the decomposition process occurs. A lack of oxygen can kill aquatic organisms.Explanation:
Models of both atmospheric and oceanic circulation show predictable patterns of air and water movement across the globe. The
phenomenon that MOST directly causes these atmospheric and oceanic circulation patters is
Coriolis effect is the phenomenon that most directly causes these atmospheric and oceanic circulation patterns.
What is Coriolis effect?This is defined as an apparent deflection of the path of an object that moves within a rotating coordinate system.
Atmospheric and oceanic circulation patterns aride from deflection of the direction of air and water currents moving towards or away from the poles.
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Why is the coral snake venomous?
Answer:
Coral snake bites can be extremely painful and can cause muscular paralysis. The coral snake's venom is one of the most potent venoms in the animal world because it contains powerful neurotoxins. The neurotoxins are responsible for the rapid paralysis and respiratory failure in the coral snake's smaller prey.
Explanation:
How many types of hydro mimics can the oceanid summon in total?.
Mimics of water. The Oceanid summons a variety of aquatic creatures that must be fought and defeated in order to harm the boss. Oceanid has the ability to spawn eight different types of mimics.