Someone who doesn’t participate regularly is more likely to have issues with breathing and heart rate than a person whos a little more conditioned . why ? because there body isn’t conditioned enough to regulate.
which organelle would we find a lot of in the muscle tissues of a fit athlete?
A. ribosomes
B. mitochondria
C. nucleus
D. golgi apparatus
Answer:
B
Explanation:
Mitochondria is found in muscle. Muscle cells have numerous mitochondria, more than other types of cells, so that they can quickly and forcefully respond to the body's constant need for various types of movement.
An insect gets trapped in tree sap. The sap dries, and the insects are preserved exactly as they were in real life.
Answer:
cool
Explanation:
Answer:
amber
Explanation:
Review the concept map and then click on all the true statements below
Do you have a picture of the map? : )
Living things have certain properties, such as organization, metabolism, reproduction, and response to stimuli. They are organized into different levels and can be represented in a phylogenetic tree.
Explanation:Properties of Life:Living things are organized into a hierarchy of levels, including atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and the biosphere.
Interpreting a Phylogenetic Tree:A phylogenetic tree shows the evolutionary relationships between different species. It helps us understand how species are related and how they have evolved over time.
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Which of the following characteristics is described here:
A cactus plant uses photosynthesis to make sugar
composed of cells
homeostasis
reproduction
obtain and use energy
"Obtain and use energy" is your answer :)
Answer:
obtain and use energy (Ans. D)
Explanation:
Photosynthesis: It is the process where plants and some other organisms use the energy from sunlight to make sugar which converts cellular respiration into ATP.
Cactus plants have pads, succulent stems with spines and scales instead of leaves. In cacti plants photosynthesis occurs in stems through a special mechanism called Crassulacean acid metabolism (CAM) as a part of photosynthesis.
Carbon. We are carbon-based life forms. Carbon cycles between Earth's spheres. When viewing the Earth as a system, the
atmosphere, lithosphere, hydrosphere and the biosphere are referred to as carbon pools or reservoirs because they act as
storage houses for large amounts of carbon. Any movement of carbon between these reservoirs is called a flux. In any
integrated system, fluxes connect reservoirs together to create cycles and feedbacks.
Compare the two models seen here. Both illustrate carbon's movement or fluxes. Model I provides an important detail missing
from Model II.
A)
Modell provides quantitative data.
B)
Model Il does not show the direction of the flux.
C)
Model I distinguishes between natural and anthropogenic flux.
D)
Model l includes both photosynthesis and cellular respiration.
Answer:
the answer is c bc i got it wrong on usatestprep bc i picked d and it was c
Explanation:
Answer:
C)
Model I distinguishes between natural and anthropogenic flux.
Explanation:
Just took quiz
Select the best answer for the question.
20. Your classmate is trying to determine the rate of photosynthesis for a fern plant growing in his or her backyard.
Your classmate wants to set it up in a way for it to have a high photosynthesis rate. Which of the following setups has
the highest photosynthesis rate?
O A. Low intensity of light, medium levels of carbon dioxide, low temperature level
B. High intensity of light, low levels of carbon dioxide, high temperature level
O C. Medium intensity of light, low levels of carbon dioxide, extremely high temperature level
O D. High intensity of light, high levels of carbon dioxide, moderate temperature level
Answer:D
Explanation:
Because the plant would get alot of light
The plant needs carbon dioxide to live and moderate temp because its not to hot and not to cold
Answer:
D. High intensity of light, high levels of carbon dioxide, moderate temperature level
Explanation:
Factors Affecting the Rate of PhotosynthesisThe rate at which photosynthesis occurs, or whether it can occur at all, is highly dependent on the environment of the photosynthetic organism. Three of the most important determinants of the rate of photosynthesis are as follows:
1. Light intensity
2. Amount of carbon dioxide present
3. Temperature
1. Light intensity is important. As the intensity of light increases, the rate of photosynthesis will gradually increase as well. The photosynthetic rate will continue increasing in relation to the intensity of light until it reaches a peak. Once the photosynthetic rate peaks, photosynthesis can't go any faster regardless of any increase in the intensity of light. If the intensity of light decreases, photosynthesis will also decrease.
2. The amount of carbon dioxide present can also influence the rate of photosynthesis. Like the relationship between light intensity and photosynthetic rate, more carbon dioxide in the environment allows for a faster rate of photosynthesis. As the amount of carbon dioxide increases, the photosynthetic rate increases as well. Once the rate of photosynthesis reaches its peak, however, further increases in carbon dioxide levels are irrelevant, as photosynthesis can't proceed any faster.
3. Temperature is also an important factor in photosynthetic rate. Photosynthesis proceeds faster at higher temperatures. However, if the temperature becomes too high, the rate of photosynthesis will decline steeply.
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Assume the light wave directed at the paper is white light and the paper contains pigments that absorb the wavelengths of red-orange-yellow-green-blue-indigo-violet. What color will the paper appear to human eyes? Assume the light wave directed at the paper is white light and the paper contains pigments that absorb the wavelengths of red-orange-yellow-green-blue-indigo-violet. What color will the paper appear to human eyes? A) black B) brown C) green D) white
It is D) WHITE
The paper would appear black because it absorbs all colors of the visible light spectrum and reflects none back to the viewer's eyes.
If a piece of paper contains pigments that absorb the wavelengths of red, orange, yellow, green, blue, indigo, and violet, then it means all of the visible wavelengths of white light are absorbed. According to the principles of color and light, when an object absorbs all colors and does not reflect any, it will appear black to the human eye since no wavelengths are being reflected back to be detected.
Let's consider some examples to further clarify this concept. When white light shines on a yellow paper, yellow is reflected and the paper appears yellow. However, if the paper absorbed all colors of the spectrum, no light would be reflected and the paper would appear black. Similarly, if yellow light shines on a white paper, the paper would still appear yellow because white paper reflects all colors and the yellow light will be predominant. With complementary colors, such as red and green lights shining on a white paper, the combination would result in the paper appearing yellow because these two colors of light mix to create yellow on a white surface.
In the cattle allele for cloven hooves (H) is dominant over the allele for mule foot hooves (h). The phenotype for each trait is shown in the picture below. What is the probability of cloven hooves in the offspring of parents that are heterozygous for the trait
Answer:
75 %
Explanation:
If we take the genotype of both parents who are both heterozygous, the resulting cross would be:
Hh x Hh
Punnett square:
H h
H HH Hh
h Hh hh
As you can see thre are 3 possible genotypes and 2 phentypes:
HH 1 Cloven hooves
Hh 2 Cloven hooves
hh 1 Mule hooves
Because cloven hooves is dominant, it will be expressed even with the presence of the recessive allele.
So the probability is 3 out 4 or 75%
Answer:
25%
Explanation:
ON A TIMER!
What do scientists know about the future of the universe? Check all that apply.
that dark matter exists
what dark matter is made of
why the expansion of the universe is accelerating
that invisible matter must be influencing the rotation of galaxies
that galaxies spin faster than they should based on visible matter
Answer:
a,d, e
hope i got to it in time
Answer:
The correct statements are that dark matter exists, and that invisible matter must be influencing the rotation of the galaxies.
Explanation:
The prevalence of dark matter, that is, the invisible matter is usually accepted and it is considered that this matter is approximately 85 percent of the entire matter present in the universe and it comprises undiscovered subatomic particles.
The dark matter also plays an essential role in illustrating why the galaxies can spin without getting themselves torn apart.
The promotion of companies’ sustainably harvested rainforest products is intended to _______.
a.
produce cheaper products
b.
promote overconsumption
c.
give the company a competitive advantage
d.
produce more expensive products
Please select the best answer from the choices provided
Answer:
c. give the company a competitive advantage
Explanation:
promoting sustainable products will not make the product cheaper and not necessarily more expensive. Over consumption is the opposite of sustainable. Thus, to promote sustainable products, this makes the company look good for consumers so they will buy these products thinking they are doing good for the environment.
Answer:
c
Explanation:
What type of bond holds two different strands of DNA together?
Answer:The nucleotides in a base pair are complementary which means their shape allows them to bond together with hydrogen bonds. The A-T pair forms two hydrogen bonds. The C-G pair forms three. The hydrogen bonding between complementary bases holds the two strands of DNA together.
Explanation:
Final answer:
Hydrogen bonds hold the two strands of DNA together by connecting the nitrogenous bases. This bond is weaker than the covalent bonds in the DNA's structure, enabling DNA replication.
Explanation:
The type of bond that holds two different strands of DNA together is the hydrogen bond. These bonds occur between the nitrogenous bases in a way that adenine (A) pairs with thymine (T) and cytosine (C) pairs with guanine (G), forming base pairs. The DNA molecule appears like a ladder twisted into a double helix, with the base pairs acting like the rungs and the sugar-phosphate backbone forming the sides of the ladder. The hydrogen bonds are weaker than the covalent bonds in the sugar-phosphate backbone, which allows the DNA to unzip easily for replication while ensuring stability of the helical structure.
cells from a blank organism cannot survive independently
Answer:
tardigrade
Explanation:
"The microscopic tardigrade—also known as the water bear—is the only animal that can survive the cold, irradiated vacuum of outer space. We talked to leading tardigrade researchers to find out what makes these little guys so amazing."
What’s a metamorphosis
Answer:
metamorphosis is a process in which somebody or something changes into something different
here is the youngest crust on Earth most likely located?
A. At divergent boundaries in the middle of the ocean
B. At transform boundaries where two plates slide past each other
C. At convergent boundaries where two continents meet
D. At convergent boundaries where oceans and continents meet
Answer:
Option (A)
Explanation:
In a divergent plate motion, two plates move in the opposite direction. Due to this plate motion, the magma rises up and comes out to the ocean floor, forming a long ridge which is commonly known as the mid-oceanic ridge. As soon as this magma comes out to the surface, it solidifies and forms igneous (basaltic) rocks.
These rocks are of geologically the youngest because they are directly forming from the cooling and solidification of magma. The rocks that are present at or near the mid-oceanic ridge are younger than the rocks that are away from the mid-oceanic ridge.
Thus, the youngest rocks are formed along the mid-oceanic ridge at a divergent plate boundary which is at the middle of the ocean.
Thus, the correct answer is option (A).
The youngest crust on Earth probably lies at divergent boundaries in the middle of the ocean. Therefore, the correct option is A.
The youngest crust on Earth is most likely to be found at isolated boundaries in the center of the ocean. Divergent boundaries are places where tectonic plates move apart and leave a gap. Magma in the mantle rises to fill the void, solidifies and forms fresh oceanic crust. The youngest crust on Earth is continually being built up by a process known as sea floor spreading. The ongoing regeneration and spreading of Earth's sea floor is facilitated by the continuous build-up of fresh oceanic crust at distinct boundaries.
Therefore, the correct option is A.
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What factors make the tropical zones of the world the highest in biodiversity
Answer:
-warm temperatures encourage diverse flora growth and insect populations
-tropical regions have abundant resources capable of accommodating large populations of different plants/animals
-animals and plants do not die as quickly since there is no “winter” season
- animals can breed more when they are unrestricted by seasonal changes
-essentially, most life flourishes in warmth
Nelson made a map of his neighborhood park. In the scale Nelson used for the map, 1 centimeter represents 10 meters. The actual length of the path through the park is 408 meters. What is the length of the path in nelson's map in centimeters?
Anyone this??
Answer:
40.8 hope this helps good day
Explanation:
The length of the path in nelson's map in centimeters is 40.8 cm.
How the length is 40.8 cm?
Here, 1 cm = 10 meters
so, 408 meters = 408 ÷ 10
= 40.8 cm.
Both meters and centimeters are metric units of length with centimeter being equal to one hundredth of a meter.
A centimeter is abbreviated as cm while a meter is abbreviated as m.
Formula to convert meters to centimeters,
Length in cm = Length in m x 100.
The answer is 40.8 cm.
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Photosynthesis involves chemical changes to three elements: carbon, oxygen, and hydrogen. Which of the following describes the chemical change to carbon?
In photosynthesis, carbon dioxide (CO2) and water (H2O) are converted into glucose (C6H12O6) and oxygen (O2). This process involves the reduction of carbon dioxide into carbohydrate molecules, by adding hydrogen atoms.
Explanation:In photosynthesis, the chemical change to carbon occurs when carbon dioxide and water, utilizing the energy from the sun, are transformed into glucose, which is a type of sugar molecule, and oxygen. This reaction can be represented by the chemical equation 6CO2 + 6H₂O + Energy → C6H12O6 + 6O2. Carbon dioxide (CO2), one of the raw materials, undergoes a reduction reaction where hydrogen is added, resulting in reduced carbon dioxide, which is essentially the carbohydrate molecule (C6H12O6). In this process, oxygen is oxidized, meaning hydrogen is removed.
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According to the RNA world hypothesis, RNA acted as the genetic material and catalyzed reactions in ancient cells. What conclusion can you draw from this?
A. This implies that RNA can catalyze any chemical reaction that enzymes catalyze.
B. This implies that DNA and proteins evolved after RNA.
C. This implies that if a cell has a problem with its DNA, its RNA can compensate for the damaged DNA.
D. This implies that DNA and proteins aren't essential in cells today.
Answer: B
Explanation: RNA world theory implies that DNA and protein evolved after RNA. Some evidence suggests RNA enzymes can catalyse reactions that are essential for life, example, ribosomes that are composed of RNA primarily. And ribonucleotide moiety in many enzymes.
Answer:
This implies that DNA and proteins evolved after RNA.
Explanation:
Three examples are provided. A serious environmental problem is the destruction of
Answer:
The Amazon rain forest
Explanation:
Answer:
It's non-replaceable resources
which type of grass would most likely be used to create a florida friendly yard
-florida gama grass
-panic grass
-fakahatchee grass
-wire grass
I looked it up for you and i didnt find any of those grasses ;-; but i live in florida and i feel like the most obvius one would be the florida gama grass.
Im sorry if im wrong hope this helps :)
Answer: First option is correct.
Explanation:
florida gama grass would most likely be used to create a florida friendly yard.
Because this plant creates large crumps which is used for a border and work as an accent plant and it is easy to grow and propagate so, it is used in making wonderful garden.
Hence, First option is correct.
why is so little of Earths surface found far above sea levels
Hello! :)
The eroded material finds its way to the bottom of oceans because of gravity (from... According to the hypsometric curve (plot between elevation and % of earth's surface), only about 29% of Earth's surface is above the mean sea level, rest 71% has an elevation less than mean sea level.
Hope this helped and I hope I answered in time!
~ Destiny ^_^
Final answer:
The structure of Earth's crust is such that there are high plateaus for continents and deep ocean basins, contributing to why little of Earth’s surface is far above sea levels. Geological processes such as plate tectonics have shaped mountains and plains mainly on continents, which cover less of Earth's surface compared to oceans. The distribution of mass and elevation is also influenced by gravitational variations.
Explanation:
So little of Earth's surface is found far above sea levels because of the way our planet's crust is structured. The surface of the Earth consists of high plateaus, which make up the continents, averaging around 2,750 feet (840 meters) above sea level, and the ocean basins, averaging 12,100 feet (3,700 meters) below sea level. The continents and their submerged continental shelves would appear as gigantic plateaus with steep slopes down to the deep ocean basins if you looked at Earth with the water removed.
Various geological processes such as plate tectonics and erosion contribute to the formation of Earth's topography. Mountains, canyons, and plains are shaped by these forces and are found mainly on continents, which cover a smaller portion of Earth's surface. In contrast, the vast ocean basins take up the majority of the surface area, leading to the fact that much less land exists far above sea level. Furthermore, the mass and relative impact of Earth's materials influence the gravitational pull at different points on the planet's surface, contributing to the differing elevations.
The jimson weed Datura stramonium normally has 12 chromosomes in the body cells. How many chromosomes will an egg cell of the jimson weed have?
Answer:
6
Explanation:
An egg cell has half the number of chromosomes which a somatic cell has. Thus, the egg cell of jimson weed will have 6 chromosomes.
Why does an egg cell have half the chromosomes?A set of chromosomes that an individual has is referred to as ploidy.
The somatic cells of an organism has two copies of chromosomes, such a cell is said to have its chromosome set as diploid (2N).
The diploid cells are formed by the fusion of two haploid cells (N), one comes from the mother and one from the father.
A zygote is formed by the fusion of the two gamete cells, an egg cell and a sperm.
Thus, since an egg cell is a gamete, its chromsome set is haploid. That is, it has half the number of chromosomes compared to a somatic cell.
Hence, as the somatic cells of the jimson weed Datura stramonium has 12 chromsomes,its egg cell will have half the number of chromsomes, which is 6 chromosomes.
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Which of these is not a function of DNA Polymerase
Answer:C
Explanation:
The unwinding of DNA is not a function of DNA Polymerase.
DNA helicase is initially required to unwind the double helix before DNA polymerase can replicate the two strands.
What are the purposes of DNA polymerases?DNA polymerases are essential components of DNA replication and repair, which copy genomes and preserve their integrity to guarantee the accurate transmission of genetic information from one generation to the next.A double-stranded DNA molecule is duplicated into two identical DNA molecules during the process of DNA replication, which is carried out by DNA polymerase.Learn more about DNA Polymerase here:
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Why do all the stars in orion appear to us on earth as if they were near each other
Answer:
Because of their brightness, how big they are, and how many their are
Explanation:
Which of the following can scientists use to identify where earthquakes will most likely occur?
A:Seismic gaps
B:Plate boundaries
C:Proximity to a volcano
D:Seismographs
Answer:
D
Explanation:
seismographs detect waves and vibration undergroud
Answer:
Option (B)
Explanation:
The earthquakes are generated due to the motion of plates. This plates floats over the layer of asthenosphere due to the formation of convection current in the mantle. It is because of the heat that is generated from the interior of the earth.
This plate when moves, wither collides or diverges or conserves. As a result of this, the rocks undergoes deformation and it releases a certain amount of energy that generates in the form of seismic P and S waves. These waves are responsible for the occurrence of earthquake.
Thus, a scientist can consider that the earthquakes are most likely to occur along the plate boundaries.
Hence, the correct answer is option (B).
Which of the following best describes how most scientists think humans evolved?
Answer:
the answer is a
Explanation:
Answer:
The righr anser is the letter A
Explanation:
You may have already come across the claim that the human being is descended from the monkey. Many people attribute this idea to Charles Darwin, but it is known that this scientist never made this claim. What Darwin proposed, in fact, is that apes and humans have a recent common ancestor that places both apes and humans in the group of primates. This is the theory currently accepted to explain the evolution of humans, so the correct answer to your question is the letter A.
Despite current scientific knowledge, talking about our kinship with monkeys is still controversial, as it seems offensive to many to say that we are related to them. Some people consider that the human being is unique and special and therefore could only have been created by a divine entity.
How many times your heart beats in one minute is called
Answer:
BPM
Explanation:
Beats Per Minuite
Answer:
Beats per minute
Explanation:
Your heart beats 60-100 times per minute
Global winds are directly caused by the Earth's rotation and ____
A. the release of carbon dioxide into the atmosphere.
B. uneven precipitation rates.
C. the Moon's phases.
D. uneven heating of the Earth's surface.
(D)
Explanation:The uneven heating of the Earth’s surface heats up the air which stirs up air currents in the atmosphere Ex. Jet streams, Easterly, Westerly winds.
Answer:
D
Explanation:
Which of the following best describes reproductive structures common to both gymnosperms and angiosperms?
A) Seeds form after combining pollen and egg cells during sexual reproduction
B) Male pollen grains and female egg cells in the same reproductive organ
C) Cones containing seeds that are eaten and carried away by animals
D) Flowers designed to attract pollinators to assist in fertillization
Answer:
The correct answer is Seeds formed after combining pollen and egg cells during sexual reproduction.
Explanation:
This shows how reproductive structures are described as common to the two phylum.
The option that best describes the reproductive structures which is common to both gymnosperms and angiosperms is : ( A ) Seeds form after combining pollen and egg cells during x reproduction
Angisperms and gymnospermsAngiosperms have their seeds enclosed inside their fruits while gymnosperms ( non-flowering plants ) have their seeds exposed on their leave surface.The process of seeds forming after the combination of pollen and egg cells in the process of x reproduction represents a descriptive reproductive structure common in gymnosperms and angiosperms
Hence we can conclude that the reproductive structures which is common to both gymnosperms and angiosperms is seeds form after combining pollen and egg cells during x reproduction.
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The chemical reactions of the light dependent process occur in the
Answer:
Thylakoid membranes
Explanation:
Photosynthesis is the process by which green plants make their own food using energy from sunlight, water and carbon dioxide.Photosynthesis takes place in organelles called chloroplast found mainly in the palisade mesophyll in the leaves of a green plants. The process occurs in two stages; light-dependent stage and light-independent stage.The light dependent stage occurs in the thylakoid membranes of the chloroplast, while the light-independent stage occurs in the stroma of the chloroplast.