anaerobic respiration does not require oxygen so, option C is right answer
Answer:
It's C. Anaerobic respiration does not require oxygen.
Explanation:
C because Aerobic respiration cannot occur without oxygen. Anaerobic respiration occurs in the absence of oxygen. Both processes consume glucose, produce ATP, and release energy.
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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ON A TIMER!
A geologist finds a metamorphic rock and notices that it has grains that formed in parallel layers. The geologist pries at the rock, and it splits apart along the bands formed by the layers.
Which type of rock did the geologist most likely find?
gneiss
limestone
marble
sandstone
Answer:
Option A, gneiss
Explanation:
Metamorphic rocks are classified based on their grain arrangement in to foliated rocks and non- foliated rocks. These foliated rocks are the ones in which the grains are arranged in parallel layers bands which allows them to split apart along these band. Some common examples of foliated metamorphic rocks are slate, schist, and gneiss
Thus , option A gneiss is the correct answer.
Answer: a
Explanation: edge
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."
Several prefixes often used with units of measurement are shown below. Each prefix has a specific value in the metric system.
What is the correct order of the prefixes, from smallest value to largest value?
Answer:
Micro, mill, kil,deca,centi
Explanation:
I think
Answer:
micro- → milli- → centi- → deca- → kilo-
The prefixes shown are used in the metric system and the International System of Units. Each prefix has a specific value.
The prefix micro- represents 10-6.
The prefix milli- represents 10-3.
The prefix centi- represents 10-2.
The prefix deca- represents 101.
The prefix kilo- represents 103.
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:
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.
Describe the two general body forms of cnidarians, which include jellyfish and corals
A Cnidarian can have one of two basic body types, polypoid or medusoid. The polypoid is the configuration of corals and anemones, with the tentacles and mouth generally facing up, and the other side affixed to a substrate or connected to a colony of other creatures of the same species.
hope this helps
Cnidarians, such as jellyfish and corals, have two body forms: polyp and medusa. Polyps are typically immobile with an upward-facing mouth and tentacles, while medusa are able to move with a bell-like body and downward-facing mouth and tentacles. Some cnidarians can display both body forms in their life cycle.
Explanation:Cnidarians, including jellyfish and corals, exhibit two general body forms known as polyp and medusa. The polyp form, akin to a stalk, is sessile (immobile) with tentacles and a single opening facing upwards. Examples include freshwater species of the genus Hydra and sea anemones. The medusa form is motile (able to move) and bell-shaped, with the mouth and tentacles hanging down from the body. Jellyfish are perhaps the most known representatives of the medusa form.
Additionally, some cnidarians are dimorphic, exhibiting both body forms during their life cycle. In these species, the polyp often serves as the asexual phase, with the medusa functioning as the sexual stage that produces gametes. However, species belonging to the class Anthozoa, which include sea anemones, sea pens, and corals, only exhibit the sessile polyp body form throughout their life cycle.
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The carp fish has 104 chromosomes in its body cells. When the fish's body cells divide by mitosis, how many chromosomes will each daughter cell have?
A.
52
B.
208
C.
104
D.
312
The answer is C. 104
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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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.
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.
The illustration shows the basic unit of life. It is
A. a cell wall
B. an atom
C. a molecule
D. an organelle
Hmm, let me see. This illustration appears to be an image of a cell. But, there aren't any answers that has cell. Using logic, it would be an organelle. Mainly because there aren't any arrows directing to a specific organelle. Since a cell wall is an organelle, it has to be D.
Answer:
D. an organelle
About 800 rattlesnake bites occur in the United States every year. Rattlesnake venom affects the nervous system. Which of the following symptoms would you expect to accompany a rattlesnake bite?
Answer:
muscle spasms and numbing or tingling in extremities
Explanation:
Answer:
The answer is "muscle spasms and numbing or tingling in extremities"
Explanation:
I read the article and did the test that followed.
QUESTION 9
The focus of an earthquake is the what?
A. strength of the earthquake
B. place at Earth's surface where the earthquake happens
C. point within Earth where an earthquake originates
D. the types of rocks affected by an earthquake
Answer:
C. point within Earth where an earthquake originates
Explanation:
The point on Earth's surface directly above the focus is the epicenter of the earthquake.
C. point within where an earthquake originates
Explanation: the focus in the earthquake is the point in the interior of the earth from where the earthquake originates
A student used a microscope to get a very detailed look at pollen grains from an apple tree. In order to do this, the student first had to prepare the pollen grains to withstand the vacuum conditions and high energy beam of the microscope. The image below shows the student's view of the pollen grains through the microscope.
An electron microscope was used to visualize apple tree pollen grains, produced detailed micrographs. The pollen grains have two cells and two coverings, and their motion in water demonstrates the existence of atoms. Microscopes are an essential tool for studying such minute particles.
Explanation:To understand the detailed view of pollen grains from an apple tree as seen under a microscope, it's key to know that microscopes, such as the electron microscope used here, enable scientists to scrutinize small objects at a high scale and resolution. Images captured with a microscope are often referred to as micrographs.
In the micrograph of the pollen grains, the grains are about 50μm long and appear bean-shaped. 'Electron wavelengths' or the wavelengths emitted from the microscope are 100,000 times shorter than visible-light photons, allowing for a much higher resolving power to see finer details, such as the ones shown in the SEM micrograph of the pollen.
The mature pollen grain, developed from microspore mother cells, comprises two cells, the pollen tube cell, and the generative cell which resides inside the tube cell. It also has two layers, the inner layer (intine) and the outer layer (exine). The behavior of a pollen grain in water under a microscope yields a phenomenon known as Brownian motion, which illustrates the atom's existence due to the fluctuations in the number of atoms and molecules colliding with a mass that results in its complex paths of movement.
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Which of these statements describe the correct path of a nitrogen atom through the nitrogen cycle?
A)
atmosphere, animals, plants, bacteria
B)
air, bacteria, plants, animals
C)
animals, air, bacteria, plants
D)
bacteria, air, animals, plants
Answer:
D
Explanation:
Bacteria, air, animals, plants
The correct path of events that take place in a nitrogen cycle is air, bacteria, plants and animals.
Answer: Option B
Explanation:
Nitrogen forms the major proportion of air. The nitrogen in the atmosphere cannot be used as such by plants and animals. Thereby the atmospheric nitrogen is fixed in the soil by means of nitrogen fixing bacteria, these nitrogen fixing bacteria live in the root nodules of leguminous plants.
They maintain a symbiotic relation with plants through which they provide nitrogen to the plants. The animals take this fixed nitrogen from plants.
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’s a metamorphosis
Answer:
metamorphosis is a process in which somebody or something changes into something different
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
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 describes how dna provides evidence to support that life changes over time
A- some animals exhibit similar stages of embryonic development
B- Some animals exhibit structural that are no longer used for any purpose
C- Some animals exhibit similar genetic code
Although all are true, it is B.
Vestigial structures indicate that the animals evolved from an ancient ancestor.
what is the function of a capsid
Answer:1) it protects the nucleic acid from digestion by enzymes, 2) contains special sites on its surface that allow the virion to attach to a host cell, and 3) provides proteins that enable the virion to penetrate the host cell membrane and, in some cases, to inject the infectious nucleic
Explanation:
Answer:In 4 or more complete sentences, describe the process of protein synthesis and explain how transcription and translation creates protein.
Explanation:
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.
Which phrase describes a scientific theory? A. A proposed explanation that can be tested B. An observation that leads to a question C. A thoroughly tested and widely accepted explanation D. A description of how elements of nature will behave under certain conditions
Answer:
C. A thoroughly tested and widely accepted explanation
Explanation:
A scientific theory is a coherent statement or set of ideas that explains observed facts or phenomenon and are thoroughly tested and widely accepted. Scientific theory is the basis of scientific knowledge. It is confirmed by observation and repeated experimentation under controlled conditions according to the scientific method. In scientific disciplines, scientific theory sets out scientific laws and principles of observed and generally accepted facts.
Answer:
A thoroughly tested and widely accepted explanation describes a scientific theory.
Explanation:
Scientists who consider how their research may affect the environment show a sense of ____________?
Integrity in scientific research Is my best guess
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:
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:
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 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.