Answer:
color vision
Explanation:
Megan observes four cells under a microscope and makes sketches of them as shown. Identify whether the cells are prokaryotic or eukaryotic.
What else, besides energy, can a molecule of glucose be broken down to form?
Answer:
carbon dioxide, water, and ATP
Explanation:
Answer:
carbon dioxide, water, and ATP for energy.
Explanation:
cellular respirationa biochemical process in which cells break down glucose and oxygen to make
the enzyme dicer chops dsrna molecules into small pieces of
The enzyme dicer chops dsRNA molecules into small pieces of miRNA and siRNA. The correct option is B.
What is Dicer?
Dicer is an enzyme involved in RNA interference (RNAi), a cellular process that regulates gene expression.
Its primary role is to cleave double-stranded RNA (dsRNA) molecules into smaller fragments.
These fragments are typically around 21-25 nucleotides in length and serve as the building blocks for two types of small RNA molecules: microRNA (miRNA) and small interfering RNA (siRNA).
miRNAs are endogenous small RNA molecules that play a crucial role in post-transcriptional gene regulation. siRNAs are also small RNA molecules but are primarily involved in the defense against viral infections and the silencing of transposable elements.Thus, the correct option is B.
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Complete question:
The enzyme dicer chops dsRNA molecules into small pieces of:
A. mRNA and miRNA.
B. miRNA and siRNA.
C. siRNA and rRNA.
D. mRNA and siRNA.
within a forest ecosystem, there is a large amount of diversity among members of a warbler species. of the following stages of meiosis illustrated for a typical cell, which contributes most to diversity among the warblers?
Crossing over occurs between homologous chromosomes, and is closely involved in genetic variation. The stage that most contributes to diversity is stage C, where you can see chromosomes after crossing-over.
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There are different mechanisms involved in producing genetic variation among descendants. These are,
Crossing-over between homologous chromosomes (prophase 1), Random lining of homologous chromosomes (metaphase 1),Random fertilizationThe Crossing-over events occur between two homologous chromosomes in the equatorial plane and make the daughter cells genetically different from the original one.
The Chiasma is the position where two homologous chromatids interchange genetic information, giving a place for new genetic material or information to be provided to descendants.
After crossing over, homologous chromosomes get separated again.
In the attached imaged there are four different stages of meiosis.
Stage C is the one that contributes the most to diversity.
We can see that crossing over has already occurred between homologous chromosomes, and they have already interchanged segments.
In the image you will see the difference between chromosomes that has gone through the crossing over mechanism, and chromosomes that has not. The difference in color represents segments interchange and variation.
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HELP i need this question fast pls anyone i will mark brainliest
Answer:
hi! the answer you already have marked is correct.
Explanation:
D. Weathering and erosion by water.
have a great day!
hope this helped!
feel free to mark as brainliest! ;)
Answer:
D. Weathering and erosion by water
Explanation:
The river water carries sediment to different areas and lays them there. However, after breaking down the river sediment it opens a bigger area in which water may flow, thus allowing the river to become wider
Which of the three types of RNA is
involved directly with the process of
transcription?
A. transfer RNA (TRNA)
B. ribosomal RNA (TRNA)
C. messenger RNA (mRNA)
what is all of the dna in a set of 23 chromosomes referred to as?
Answer: The Genome
Explanation:
a change in DNA structure that might be beneficial, harmful, or neutral. What is all of the DNA in a set of 23 chromosomes referred to as? The genome
Which solution would be MOST effective at reducing the emission of greenhouse gases?
A
reducing carbon dioxide production by increasing use of mass transportation
B
reducing production of fluorinated gases by changing industrial practices
C
reducing production of methane by changing agricultural practices
D
reducing nitrous oxide production by burning less solid waste
Reducing nitrous oxide production by burning less solid waste.
It is 300 time more potent than carbon dioxide. It is emitted from agriculture, land use, transportation, industry.What is green house effect?It is a process that occurs when energy from planet's sun goes though its atmosphere and warms the planet's surface, but atmosphere prevents the heat from returning directly to space, resulting in warmer planet.
What is atmosphere?
It is a layer of gases that envelope a planet, is held in place by the gravity of the planetary body.
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After the head is struck, the brain continues to move in the fluid and may be contused on the other side; this type of injury is called:
Answer:
contrecoupDefinition:
a contusion caused by the brain colliding with the skull on the side opposite the point of impact.What is the relevance of osmosis to the root hair cells?
Answer:
absorb water from the soil by osmosis.
Explanation:
Root hair cells
Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient. Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption
we need more raw materials with recycling true or false.
Answer:
true
Explanation:
Please answer ! Best answers will be marked as brainliest and will be given thanks and 5 stars , Any unnecessary answer , will be deleted and will hack your points.
Answer:
A. Northern tropic, equator, Southern tropic (I think Im not double sure)
B. Because the sun's rays hit the earth's surface at a higher angle at the equator
C. If earth did not tilt and orbited in an upright position around the sun, there would be minor variations in temperatures and precipitation throughout each year as Earth moves slightly closer and farther away from the sun
D. It is the right distance from the Sun, it is protected from harmful solar radiation by its magnetic field, it is kept warm by an insulating atmosphere, and it has the right chemical ingredients for life, including water and carbon.
Explanation: hope it helps love :)
Match each part of the endocrine system with the correct label.
Answer:
Your numbers are
1 Pineal gland
2 Hypothalamus
3 Pituitary Gland
4 Thyroid Gland
5 Thymus
6 Pancreas
7 Adrenal Glands
8 Testes
9 Ovaries
Explanation: are correct
Answer:
1 Pineal gland
2 Hypothalamus
3 Pituitary Gland
4 Thyroid Gland
5 Thymus
6 Pancreas
7 Adrenal Glands
8 Testes
9 Ovaries
Explanation:
Which is a point mutation and not a frameshift mutation?
mutagen
insertion
deletion
silent
Answer:
The correct answer is D. Silent
I can assure this is the correct answer because I took either the test or review, I don't remember but yeah I know its correct also, because of the other person so be sure to say thanks to them before me!
Hope I helped! <3
A silent mutation is a point mutation and not a frameshift mutation. Therefore, the correct statement is option D.
What are point mutations?Mutagens are agents causing mutations in DNA sequence. Point mutations are due to a change in a single nucleotide base in a DNA sequence and frameshift mutations are due to changes that are the result of the insertion or deletion of nucleotide bases, thereby, shifting the reading frame of the sequence and the way is changed in which it is translated into a protein.
A silent mutation is a point mutation that does not change the amino acid sequence of a protein, as the mutated codon still codes for the same amino acid, thereby, not affecting the function of the protein.
Insertion and deletion mutations are frameshift mutations as they alter the reading frame of the sequence which results in a completely different amino acid sequence.
Therefore, the silent mutation is a point mutation.
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the model show's a portion of a DNA strand. What does the pentagon represent in the model?
Which letter on the diagram below shows where M phase would occur?
Answer: D
Explanation:
PLEASE HELP: EARH SCIENCE
Which is an accurate statement about the different types of radiation emitted by the Sun? Select the two correct answers
Radiation with the shortest wavelengths is emitted steadily and constantly from the sun.
Radiation with the longest wavelengths is emitted steadily and constantly from the sun.
Radiation with the longest wavelengths is most likely to cause wide variation in Total Solar Irradiance.
Radiation with the shortest wavelengths is most likely to cause wide variation in Total Solar Irradiance.
Answer:
Radiation with the longest wavelengths is emitted steadily and constantly from the sun.
Radiation with the shortest wavelengths is most likely to cause wide variation in Total Solar Irradiance.
Radiations with the longest wavelengths is emitted steadily and constantly from the Sun and the radiations with the shortest wavelengths is most likely to cause wide variation in the total solar irradiance. Thus, the correct options are B and D.
What are the solar radiations?
Solar radiation is often called as the solar resource or simply sunlight. It is a general term which is used for the electromagnetic radiations that are emitted by the Sun. Solar radiations can be captured and turned into useful forms of energy, such as heat and electricity, using a variety of different technologies.
The radiations with the longest wavelength is emitted steadily and constantly from the Sun and the radiations with the shortest wavelengths is most likely to cause wide variation in the total solar irradiance.
Therefore, the correct options are B and D.
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Using 3-5 sentenes explain how catbon dioxide affetcts earth's clmate.
Answer:
Carbon dioxide is a greenhouse gas: a gas that absorbs and radiates heat. ... But increases in greenhouse gases have tipped the Earth's energy budget out of balance, trapping additional heat and raising Earth's average temperature.
Explanation:
Carbon dioxide is a greenhouse gas: a gas that absorbs and radiates heat. ... But increases in greenhouse gases have tipped the Earth's energy budget out of balance, trapping additional heat and raising Earth's average temperature.
Briefly summarize the structure of moss.
Mosses are bryophytes, primitive plants believed to be among the first to develop the ability to live on land. Moss plants have no vascular tubes to transfer water or nutrients, and no true stems or roots. Environmental water sources and absorption limit moss plant size.
There may be as many as 15,000 species of mosses. Although unique species of moss grow in dramatically different habitats across the planet – from the arctic to the desert – all have basically the same structure.
Basic Moss SporesThe initial moss plant is a spore given off by the sporophyte that forms at the end of the moss plant’s “stem.” Released spores travel long distances on the wind and may remain viable for decades. Moss spores landing in suitable conditions divide and produce hairy filaments called protonemas, which are like thin plant threads that weave across the growing medium. Sprouting from the spore filaments, gametophytes form, held to the surface by rhizoids.
Main Structure of MossThe main moss structure is the gametophyte, which functions like a moss’s “stem” and “leaves.” A moss "stem" is called the axis, and this part of the moss supports leaf-like structures.
Phyllids are the leaf-like structures that carry out photosynthesis, transforming sunlight into sugars the moss uses for food. Typically arranged in a spiral, moss “leaves” are usually one cell thick with ribs two or more cells thick down their centers. The cells of moss plants contain chlorophyll, the green pigment that is essential for the process of photosynthesis.
Does moss have roots? No, not really. Moss stems end in root-like strands called rhizoids, specialized to hold the moss to its growing surface. Rhizoids anchor moss plants to the surfaces they grow on, but they do not absorb water and nutrients like true plant roots.
Second-Generation GrowthThe second moss structure is really a second generation. Moss reproduction occurs sexually, using separate plants produced at different times. The two separate kinds of moss plants are called gametophytes (which produce gametes) and sporophytes (which produce spores).
Gametophytes are tipped with either inverted cone-shaped areas (archegonia) or male reproductive organs (antheridia). Released sperm (antherizoids) need water since they swim to the archegonium. This is one of the main differences between bryophytes and vascular land plants – mosses need water for their sexual reproduction process.
Fertilization occurs once an antherizoid swims to an archegonium. Sprouting from the gametophyte tip after fertilization, a sporophyte holds itself in place by anchoring a foot in the archegonium.
Spore-Bearing PartsThe sporophyte stalk, called the seta, bears the sporangium (spore capsule) on its tip. One sporangium may produce up to one million spores. Maturing spore capsules are guarded by a covering called the calyptra that shrivels and falls off when the spores are mature. The calyptra can be a distinguishing part of a moss species, and they are often useful in identifying new mosses.
A cap called the operculum tops the capsule's opening under the calyptra. The capsule opening (peristome) can have teeth that help hold it closed. Matured spores are released when the capsule top ruptures and drift off to form new plants. Like the calyptra, the operculum and peristome of some moss species are highly identifiable.
what birds is a likely biological explanation for The
Mothman?
Answer:
owl is a like biological explanation for mothman......
Although both eukaryotes and prokaryotes are capable of causing infectious diseases in humans, eukaryotes are unique because they have a/an:
Answer:
organized nucleus
Explanation:
When a cell divides via asexual reproduction :________.
i. each daughter cell receives exactly half the genetic information in the parent cell.
ii. the genetic information is randomly parceled out to the daughter cells.
iii. each daughter cell receives a nearly perfect copy of the parent cell's genetic information.
iv. each daughter cell receives the same amount of genetic information that was in the parent cell, but it has been altered.
Answer:
three number each daughter ce receives nearly perfect copy of the parents cells genetic information
A dog who inherits an allele for
curly hair and an allele for straight
hair has curly hair because the
allele for-
E. curly hair is recessive.
F. curly hair is dominant.
G. straight hair is dominant.
H. curly hair is inherited from both
parents.
Question 1 (1 point)
Which of the following explains how density dependent factors can
slow population growth?
There are more births in the population.
There are more deaths in the population.
There are more births and deaths in the population.
There are fewer births and deaths in the population.
Describe the three types of waves that emanate from and earthquake. Compare their speed, type of motion and what the types of material they will travel through (solid/ liquid) PLZZZ ANSWER, ITS FOR MY FINALS, AND IM NOT SURE ABOUT THE ANSWER. NO LINKS NO LINKS!!!!!!!!!
Answer:
The types of waves that emanate from and earthquake are the body waves (P-waves and S-waves), and the surface waves. The surface waves travel along the suface, and are are the slowest, even though they do the most damage in an earthquake. While the P-waves travel the fastest through solids, liquids, and gases. S-waves, however only travel through solids.
Explanation:
Hope that helped hun <3
The organelles that break down lipids, carbohydrates, and proteins into
small molecules that can be used by the cell are called *
A. vacuoles
B. lysosomes
C. ribosomes
D. microfilaments
Describe the three types of waves that emanate from and earthquake. Compare their speed, type of motion and what the types of material they will travel through (solid/ liquid) PLZ HELP ME DUE TONIGHT!!!!!!!
Answer:
The types of waves that emanate from and earthquake are the body waves (P-waves and S-waves), and the surface waves. The surface waves travel along the suface, and are are the slowest, even though they do the most damage in an earthquake. While the P-waves travel the fastest through solids, liquids, and gases. S-waves, however only travel through solids.
Hope that helped! <3
It is the often the brightly colored, fragrant, and showy part of the flower that attracts the birds and insects that pollinate them and a surface for the pollinator to rest on.
Answer:
petals
Explanation:
ye
SOMEONE PLEASE HELP!!!!!
Five similarities and differences between a prokaryote and a eukaryote cell.
Answer:
Prokaryotic Cell Eukaryotic cell
Mitochondria absent Mitochondria present
Cytoskeleton absent Cytoskeleton present
Ribosomes smaller Ribosomes larger
Explanation:
two types of cells are found in the organisms: eukaryotic and prokaryotic depending on whether cells contain membrane-bound organelles or not.
Which of the following is an example of an adaption?
A: Wolves work together to catch prey
B: A dog walks without pulling on its leash
C: Ducks swim near the shore by a picnic area, where food is always available
D: Birds living near a highway learn not to fly away every time a car passes
Answer:
D
They are adapting to their environment to increase chances of survival.