Which of the following is true about skin, bones, the heart, and intestines?
Answers
Answer:
Each of these organs is made of tissues composed of different kinds of specialized cells
Explanation:
Related Questions
Cystic fibrosis is a recessive disorder. Two individuals that are both heterozygous for CF
have children, what percent of their offspring will be affected by the disorder?
Answers
Explanation: draw out a punnet square. Cross Cc x Cc. (C normal allele) (c Cystic Fibrosis allele). If you draw the punnet square, 1/4 will be cc , 1/4 will be CC, and 1/2 will be Cc. In order for the child to have cystic fibrosis, the genotype must be cc.
Sweating when it is hot outside is an example of which characteristic of life?
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Write three advantages of breathing through the nose than through the mouth
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Answer:
reduce exposure to foreign substances. humidify and warm inhaled air. increase air flow to arteries, veins
Write a 2 paragraph summary describing the similarities and differences between the different algae. Make sure to use the terms stipe, air bladder, and blade in your summary. Also include comparisons between the various red algae species, as well as between the different types of algae (red, brown, green).
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Red algae contain chlorophyll a, chlorophyll d, and phycoerythrin, whereas brown algae have chlorophyll a, chlorophyll c, and fucoxanthin, and green algae contain chlorophyll a, chlorophyll b, and xanthophylls.
A stipe is a stalk-like structure seen in algae. It can emerge as a short structure near the base of the alga (as in Laminaria) or as a huge, complex structure that runs throughout the algal body (as in Sargassum or Macrocystis).
The only seaweeds with air bladders are brown algae. The pigment fucoxanthin gives seaweeds in the phylum Phaeophyta their brown hue, allowing them to absorb sunlight more effectively and thrive in deeper water than other seaweed species.
Vegetative reproduction through fragmentation is a trait shared by all algae. Fragmentation is an asexual reproduction mechanism in which one fragment of an organism's body is broken owing to external physical forces. Each component then develops into a unique individual. Such reproduction is widespread in filamentous algae such as Ulothrix and Spirogyra.
The blade's role is photosynthesis, which is comparable to that of land plants. Food is grown there using a mix of sunshine energy and nutrients from the water. The gas bladder is utilized to maximize photosynthesis on the top surface. The stipe is used to support the blades.
What is Algae?The term "algae" refers to a broad and diverse collection of photosynthetic eukaryotic organisms. It is a polyphyletic assemblage of species from several separate clades.
In freshwater habitats, algae play a variety of critical and useful tasks. They generate oxygen and absorb CO₂, serve as the foundation of the aquatic food chain, remove nutrients and contaminants from water, and stabilize sediments.
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ALNRETXE- a kind of fertilization outside the female body
:D
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hope it helps you<3
Describe what would happen to the arrows if this magnet were picked up and dropped numerous times.
A the arrows would point in the opposite direction
b nothing
c the arrows would point in a variety of directions
d the arrows would be removed
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Answer:
C.the arrows would point in a variety of directions
What can you do to prepare if you live in an earthquake zone What should you discuss with your family?
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- Know your risk. Research the area and find out if you live near an active fault.
- Create a disaster plan
- Prepare a plan/list of things you would grab in case of an earthquake
Things you should discuss with your family are:
- Plan where to meet if you get separated.
-Make a supply kit that includes enough food and water for several days, a flashlight, a fire extinguisher and a whistle. Include non-perishable foods, cleaning supplies, and water for several days, in case services are cut off in your area.
Describe how the bonding of Hydrogen and Oxygen result in a polar molecule and
Hydrogen bonds.
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Answer:
Since oxygen is more electronegative than hydrogen, the two bonds that are formed will be polar covalent ,which means a partial negative charge will be on the more electronegative atom - oxygen - and two partial positive charges will be on the less electronegative atoms -hydrogen.
Hope this helps
Explanation:
hich of the following is not an ingredient that plants use to create glucose during photosynthesis?
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Answer:
Oxygen
Explanation:
What part of the leaf contains chlorophyll for producing energy for the plant?
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Answer:
your answer would be the margin
Explanation:
In plants, the process of photosynthesis takes place in the mesophyll of the leaves, inside the chloroplasts. Chloroplasts contain disc-shaped structures called thylakoids, which contain the pigment chlorophyll. Chlorophyll absorbs certain portions of the visible spectrum and captures energy from sunlight.
(In one or more paragraphs) Explain why some flowers look like insects or birds that are their primary pollinators? Please help me
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Answer:
Due to feeding on the nectar of flower.
Explanation:
Some flowers look like insects or birds that are their primary pollinators because these insects or birds feeds on the liquid present in that liquid. The flower has liquid inside it which is known as nectar that is the food for many insects and birds so when these birds came to these flowers for feeding they also leads to pollination so that's why some insects and birds are the primary pollinators of some flowers.
how many of the following can be used to distinguish a nematode worm from an annelid worm? 1. type of body cavity 2. presence of segmentation 3. number of embryonic tissue layers 4. shape of worm in cross-sectional view
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can be used to distinguish a nematode worm from an annelid worm.
what is are nematode?
Nematodes which are also called roundworm, or any worm of the phylum Nematoda. Nematodes are belong to the most abundant animals on Earth. Nematodes are also invertebrates which have unsegmented thread-like body.
what is are annelid?
An annelid which belong to the phylum name Annelida, also called segmented worm, any member of a phylum of invertebrate animals that are characterized by the possession of a body.
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Please help me on this! This is for oceanography
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9. This octopus lives in the neritic province. 10. If the octopus is in the twilight area, it would be in the epipelagic zone. 11. Brittle Star and Sponge would be considered benthic.
What is epipelagic zone?The topmost portion of a body of water that receives sunshine and enables phytoplankton to carry out photosynthesis is known as the photic zone, euphotic zone, epipelagic zone, or sunlight zone. Numerous physical, chemical, and biological processes take place in it, supplying nutrients to the top layer of the water column. The majority of aquatic life is found in the photic zone because of phytoplankton activity (primary production).
Why Brittle Star and Sponge are considered benthic?Benthic organisms are animals and plants that live at the bottom of the ocean and other bodies of water. The organisms that comprise the benthic zone matter to the ecosystem because they typically form the foundation of the food web, providing food for larger animals. Brittle stars and sponges are both examples of benthic organism.
Brittle stars have long, spiny arms attached to a central disk that allows them to move and filter nutrients from the seafloor sand or mud. Sponges are sessile organisms and filter-feeders, using their specialized body structure and flagella to strain food particles from the water. They can filter and consume large amounts of particles, while providing habitats for many microscopic organisms. Both organisms play an important role keep the ecosystem healthy and help support a diversity of life.
12. They would be found in the sublittoral zone.
13. The sponge would be classified as epifauna because they live on the surface.
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Why does a solid change to liquid when heat is added?
A. The spacing between particles decreases.
Particles lose energy.
B.
C. The spacing between particles increases.
D. The temperature decreases.
Rese
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Answer:
C. The spacing between particle increases.
Explanation:
The particles are given more energy and begin to vibrate faster when a solid is heated. As the atoms vibrate faster, spacing in between particle increases.
Which of the following describes fossils?
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In response to an increasing blood glucose level, the human body will normally
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What’s the biggest change in skull anatomy that occurred from the dawn of horse to the modern horse
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Answer:
Each skull has a large diastema, or gap between the front and back teeth. 2. What is the biggest change in skull anatomy that occurred from the dawn horse to the modern horse? The size of the skull is dramatically larger in the modern horse.
Explanation:
The main change in skull anatomy that occurred from the dawn horse to the modern horse is that the skull of the modern horse is dramatically larger.
What are the characteristics of the dawn horse?Eohippus, (genus Hyracotherium), also called dawn horse, an extinct group of mammals that were the first known horses. They flourished in North America and Europe during the early Eocene (56-33.9 million years ago).
Eohippus, "dawn horse" or more correctly called Hyracotherium, which lived in the Eocene approximately 55-58 million years ago, is the oldest ancestor of the modern horse.
Hyracotherium, or eohippus (dawn horse), as scientists called it, first appeared on earth as a small, shy creature no bigger than a dog. It existed between 55 and 5 million years ago.
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A person says "What if biological factors associated with maleness - such as testosterone levels - contribute to aggressive tendencies, which are then fostered and reinforced through social and cultural norms, which then further influence men's testosterone levels? This reciprocal and interactive influence of sex as biological and gender as socialization becomes very difficult to disentangle the root cause of any observed aggression differences between women and men." What is this person making reference to? A. The concept of "doing gender". B. The false dichotomy of sex and gender. C. The invisibility of gender D. The gendering of the X and Y chromosomes.
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Biological and social factors, the person challenges the false dichotomy of sex and gender and highlights the need for a more nuanced understanding of human behavior.
The statement highlights the idea that biological factors associated with maleness, such as testosterone levels, may contribute to aggressive tendencies. However, these biological factors are not the sole determinants of aggression. The person suggests that social and cultural norms play a significant role in fostering and reinforcing aggressive behavior in men. This interaction between biological factors and socialization makes it challenging to identify the root cause of observed aggression differences between women and men.
The false dichotomy of sex and gender refers to the misconception that sex (biological differences) and gender (socially constructed roles and behaviors) are strictly separate and independent. This perspective fails to acknowledge the complex interplay between biology and socialization in shaping human behavior.
In this case, the person recognizes that testosterone levels, a biological factor associated with maleness, can influence aggression. However, they also emphasize that social and cultural norms play a crucial role in how aggression is expressed and reinforced within different genders. The reciprocal and interactive influence between biology and socialization makes it difficult to disentangle the root cause of observed aggression differences between women and men.
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Which statement is FALSE about epigenetic modifications?
a. The tails of the nucleosome octamer components can be modified with methylation
b. The tails of the nucleosome octamer components can be modified with acetylation
c. Only non-DNA components of chromatin are modified with epigenetic markers
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin
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The false statement about epigenetic modifications is:
c. Only non-DNA components of chromatin are modified with epigenetic markers.
Epigenetic modifications refer to changes in gene expression that do not involve changes to the underlying DNA sequence. These modifications can be inherited and can influence how genes are turned on or off in different cells or at different stages of development.
a. The tails of the nucleosome octamer components can be modified with methylation: This statement is true. Methylation of the tails of nucleosome octamer components, which are made up of histone proteins, can affect gene expression by either activating or repressing the associated genes.
b. The tails of the nucleosome octamer components can be modified with acetylation: This statement is also true. Acetylation of histone tails is another type of epigenetic modification that can influence gene expression. Acetylation generally leads to gene activation by relaxing the chromatin structure and allowing transcription factors to access the DNA.
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin: This statement is true. Epigenetic modifications play a crucial role in determining whether a region of DNA is in a euchromatin state, which is more accessible for gene expression, or a heterochromatin state, which is more condensed and less accessible for gene expression.
In summary, the false statement is c. Only non-DNA components of chromatin are modified with epigenetic markers. Epigenetic modifications can occur on both DNA and non-DNA components of chromatin, such as histone proteins. These modifications can have significant impacts on gene expression and are essential for cellular development and function.
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would like help . . . . . .. .
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Answer:
D.Children of congressional leaders.
Explanation:
The leader of the party that owns a majority of seats in either house of Congress or of a state legislature. Elected by their own party councils, majority leaders act as chief spokespersons and tacticians for their parties. The principal functions of a majority leader normally associate to floor duties. The majority leader is the lead speaker for the majority party during floor discussions, exhibits the calendar and supports the president or speaker with program advancement, policy formation, and policy decisions.
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The definition of energy resource is a source or supply of energy that can't be used to generate electric power to meet people's needs. 1. True 2.False
answer quick
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Answer:
The definition of energy resource is a source or supply of energy that can't be used to generate electric power to meet people's needs. 1. True 2.False
Explanation:
The definition of energy resource is a source or supply of energy that can't be used to generate electric power to meet people's needs. The statement is False
what is energy resource ?Energy sources play very important role in the development of human society, in industrial revolution the energy has been used the driving force for the modern civilization development.
Technological development and consumption of primary energy causes increase the world population are interdependent.
Primary energy (PE) is an energy resource has been subjected to conversion or transformation process that contained in raw fuels, and other forms of energy received as input to a system.
there are many forms of energy sources such as , including nuclear energy, fossil energy like oil, coal and natural gas and renewable sources like wind, solar, geothermal and hydropower.
These primary sources can be converted to secondary energy source, called as energy carriers.
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If 5% of a DNA sample contains adenine, what percentage is Thymine? How about Guanine? Cytosine?
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Answer:
Lol! I had this for homework for biology class too. Thymine should be 5%, and Guanine and Cytosine should both be 45% I think.
Explanation:
Since A is 5% and T pairs with A, T should also be 5%. These two combined is 10%.
100-10 = 90
We still have two left, Guanine and Cytosine, so 90/2 = 45
That should mean G and C are both 45%.
When temperature in the environment drops suddenly, a bacterial cell can counteract the drop in temperature by changing its membrane lipid composition in the following way:
A. Having more long chained cis lipids
B. Having more short chained cis lipids
C. Reducing cholesterol
D. Having more saturated fatty acids
E. Both B and C
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When temperature in the environment drops suddenly, a bacterial cell can counteract the drop in temperature by changing its membrane lipid composition in having more short-chained cis lipids and reducing cholesterol, option E is correct.
It does so by increasing the proportion of short-chained cis lipids and reducing cholesterol content. Short-chained cis lipids have a lower melting point, making the membrane more fluid and flexible at lower temperatures. By incorporating more of these lipids, the cell can maintain proper membrane fluidity, allowing essential cellular processes to continue.
Reducing cholesterol content is also beneficial because cholesterol tends to make the membrane more rigid. By decreasing cholesterol levels, the cell can enhance membrane fluidity and adapt to the colder environment more effectively, option E is correct.
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Consider a small spherical molecule of radius 0.2 nm.
Part A) At 298 K, what is the average time required for such a molecule to diffuse across a phospholipid bilayer 4 nm thick? The viscosity of the bilayer interior is about 0.01 Pas.
Part B) At a constant temperature, the average time to diffuse across a bilayer hydrophobic interior depends only on the radius of the diffusing molecule. Hence, all molecules with the same size will cross in the same time. However, it is well known that for the same concentration gradient the flux of nonpolar molecules across bilayers is much greater than that for polar molecules of the same size. Are these statements contradictory? (yes or no)
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Part A) The average time required for a small spherical molecule to diffuse across a phospholipid bilayer can be calculated using the Stokes-Einstein equation:
t = 6πηrL^2/kT
where t is the average time, η is the viscosity of the bilayer interior, r is the radius of the molecule, L is the thickness of the bilayer, k is the Boltzmann constant, and T is the temperature in Kelvin. Plugging in the given values:
t = 6π(0.01)(0.2)(4)^2/(1.38×10^-23)(298)
t = 2.24×10^-9 seconds
Part B) No, these statements are not contradictory. While the average time to diffuse across a bilayer hydrophobic interior depends only on the radius of the diffusing molecule, the flux of nonpolar molecules across bilayers is much greater than that for polar molecules of the same size due to the difference in their solubility in the hydrophobic interior. Nonpolar molecules are more soluble in the hydrophobic interior and therefore can diffuse more easily, leading to a greater flux.
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Is it made of a cell
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Also umm we can’t see the image can you post it?
The ventricles begin to fill during ventricular diastole.
True
False
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The statement "the ventricles begin to fill during ventricular diastole" is true as it allows blood to flow into the ventricles.
Ventricular diastole refers to the period of time in the cardiac cycle when the ventricles are relaxed and the heart's valves are open, allowing blood to flow into the ventricles.
The filling of the ventricles with blood is known as ventricular filling, and it helps to prepare the heart for the subsequent contraction, or systole, which pumps the blood out of the ventricles and in to the circulatory system.
During this period of time (ventricular diastole), the ventricles of the heart begin to fill with blood. Hence, the statement is true.
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HELP PLS ASAP MARKING BRAINLEIST
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The best description of fungi function of the structure from the image is the A, spore production.
Why do fungi produce spores?Fungi produce spores as part of their reproductive process. Spores are single-celled or multicellular structures that are capable of developing into a new individual fungus when they land in a suitable environment.
There are several reasons why fungi produce spores:
Dispersal: Spores are lightweight and easily carried by wind, water, or other means, allowing fungi to spread their genes over long distances and colonize new habitats.Survival: Spores are often highly resistant to environmental stressors such as extreme temperatures, drought, and UV radiation, allowing fungi to survive in harsh conditions.Genetic diversity: Fungal spores can be produced sexually or asexually, leading to genetic diversity among the offspring and increasing the chances of survival in changing environments.Find out more on fungi here: https://brainly.com/question/10878050
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Image transcribed:
The image displays a structure of fungi. Which of the following best describes the function of the structure displayed in the image below?
a Spore production
b Food absorption
C Sexual reproduction
d Asexual reproduction
Fish rely on coral for _______. a. shelter b. food supply c. camouflage d. all of the above please select the best answer from the choices provided a b c d
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Fish rely on coral for shelter, food supply, and camouflage. So, the correct option is D, i.e. All of the above.
What do you mean by Coral?Coral may be defined as a tiny soft-bodied animal that typically lives within a stony skeleton grouped in large colonies and that is related to the jellyfish.
Fishes and other organisms depend on the coral for many purposes. Such as to find food, shelter, reproduce, rear their young ones, camouflage. Coral may be considered the main factor to increase the biodiversity in the aquatic ecosystem.
Therefore, Fish rely on coral for shelter, food supply, and camouflage.
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Answer: B
Explanation:
By which pathway does oxygen flow into the body?
A)trachea, bronchioles, bronchial tubes, alveoli
B)trachea, bronchial tubes, bronchioles, alveoli
C)trachea, alveoli, bronchioles, bronchial tubes
D)trachea, alveoli, bronchial tubes, bronchioles
Answers
Answer:
B
Explanation:
the avelio is apart of ur lungs which makes u breathe
Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
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Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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