Answer:
The science of going outside
Mice and rabbits eat plants. They are known as herbivores.
Mice, and rabbits are also called ____________.
A. consumers
B. decomposers
C. producers
D. predators
Answer:
A. Consumers
Explanation:
They get from other organisms. They don’t give nor decompose. Predators are carnivores
These are the extensions of a neuron through which impulses are sent away from the cell body to other neurons, glands or muscles.
Group of answer choices
neurons
nerves
axon terminals
sensory
(65 points)
Help plz this is fast
Answer:
mold is the answer to the question
1) In yeast signal transduction, a yeast cell releases a mating factor which
A) acts back on the same cell that secreted the mating factor, changing its development
B) passes through the membranes of neighboring cells, binds to DNA, and initiates transcription
C) binds to receptors on the membranes of other types of yeast cells
D) diffuses through the membranes of distant cells, causing them to produce factors that initiate
long-distance migrations
In yeast signal transduction, a yeast cell releases a mating factor that diffuses through the membranes of distant cells, causing them to produce factors that initiate long-distance migrations. Thus, the correct option for this question is D.
What is the mechanism of reproduction in yeast?The mechanism of reproduction is yeast is processed through the process of budding which is a type of asexual reproduction. In this mechanism, A bud is a tiny protrusion from the parent cell that pinches off and produces a new individual when it reaches maturity.
Yeast is a single-celled organism that does not have complexity in its process and functions. So, this organism performs its mechanism of reproduction and other functions through the process of diffusion.
Therefore, in yeast signal transduction, a yeast cell releases a mating factor that diffuses through the membranes of distant cells, causing them to produce factors that initiate long-distance migrations. Thus, the correct option for this question is D.
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Which ends up with half the number of chromosomes?
Answer:
Meiosis.
Meiosis is a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.
Answer:
meiosis
Explanation:
it is meiosis because mitosis has 46 and when meiosis breaks apart a second time it makes 23
How might environmental manipulation of a crop have unexpected consequences? a. The new crop may require more water than the original. b. The crop may harm the environment. c. The yield may be reduced. d. All of the above Please select the best answer from the choices provided
Answer:
D all of the above
Explanation:
just took the test
Environmental manipulation can have both types of consequences - beneficial as well as adverse. At times, these changes can be unexpected too. The correct option is D.
What negative effect does environmental manipulation of a crop have?The crop can have a need for more water as compared to the original if there would be a change in the soil, region or even climate of the crop. An increase in the temperature can affect the availability of water to the crop.
Changes in the soil can result in variation in the availability of minerals required for the growth of plants. This can cause improper health condition of the crop, which will ultimately decrease its yield.
Overuse of fertilizers and pesticides can affect the quality of the soil and also have a negative impact on the crop. It can also be passed on to the consumers of the crop due to bioaccumulation.
Thus, all of the mentioned statements are correct. Hence, the correct option is D.
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Which of the following best explains the endosymbiosis theory of how eukaryotic cells originated, as shown below? A.Eukaryotic cells developed from mutations in prokaryotic cells
B.Eukaryotic cells developed from organic compounds carried to Earth by debris from space
C.Eukaryotic cells originated from a combination of gases and heat in the atmosphere
D. Eukaryotic cells were originally large prokaryotic cells that absorbed smaller prokaryotic cells
Answer:I’m sure the answer is D
Explanation:
All eukaryotes evolved from prokaryotes and eventually developed into mitochondrial organelles.
The endosymbiotic theory represents that some of the organelles in eukaryotic cells were prokaryotic microbes at some time. As per the endosymbiosis theory the eukaryotic cells were at first large prokaryotic cells that absorbed smaller prokaryotic cells.
What is endosymbiosis?Endosymbiosis is the engulfing of the cell by another one to produce, over time, a coevolved relationship in which none of the cell could survive alone.
It is an evolutionary theory that guides the origin of eukaryotic cells by prokaryotes.
Eukaryotic cells were previously large prokaryotic cells that actually absorbed smaller prokaryotic cells
Thus, the correct option is D.
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I need help please in ASAP
Answer:
C- Setups one and two I think. Don't put it though unless another person also says C cus im not completely sure-
The value of acceleration due to gravity
on the surface of earth is:
8.9 m/s2
7.8 m/s2
9.8 m/s2
Answer:
9.8 m/s2
Explanation:
Which landform is created when two continental plates are colliding?
A.canyon
B.mountains
C.rift valley
D.mid-ocean ridge
Answer:
C.rift valley
Explanation:
help me with this question
Answer:
D
Explanation:
Indicate whether each statement is true or false. 1. Rod cells are depolarized in the dark. (Click to select) 2. Glutamate binds to receptors on bipolar cells and causes them to depolarize. (Click to select) 3. Light and dark adaptation are accomplished by changes in the amount of available iodopsin. (Click to select) 4. When light reactions occur, retinal is completely released from opsin. (Click to select)
Answer:
The correct answer is - 1. true, 2. true, 3. false, and 4. true.
Explanation:
1. Rod cells are the photoreceptors present in the retina that are hyperpolarized not depolarized in dark due to sodium ions efflux.
2. Depolarisation of the bipolar cell of the retina by glutamate release by rods and cones.
3. The adaption according to the light is known as a light adaptation which takes place due to a large part of photochemical in both rods and cones which is reduced to retinal and opsins.
4. when the light reaction takes place retinal converted to opsin
Rod cells are photo-receptors that present in the retina. They hyper-polarized in the dark due to sodium ions efflux. Statement 1, 2, and 4 are correct while statement 3 is incorrect
1) Rod cells are photo-receptors that present in the retina. They hyper-polarized in the dark due to sodium ions efflux.
2) Depolarization of the bipolar cell of the retina is caused by glutamate released from rod and cone cells.
3) The changes according to the light is known as a light and dark adaptation which is accomplished by the change in oidopsin.
4) In the light reaction takes place retinal converted to opsin,
Therefore, Statement 1, 2, and 4 are correct while statement 3 is incorrect.
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What is the function of the organelle labeled A in the diagram?
Answer:
A is pointing to the cell membrane. The cell membrane's main function is to provide protection for the cell as well as allow substances in and out of the cell due to selective permeability.
Explanation:
Some other functions:
-Endocytosis and Exocytosis
-Cell Signaling
Which of the following happens to chromosomes during prophase?
A.They move to opposite sides of the cell.
B.They become centrioles.
C.They condense.
D.They disappear.
They condense.
Explanation:
The complex of Dna and proteins contained in the nucleus, known as chromatin,condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes The sister chromatids are pairs of identical copies of DNA joined at a point called centromere.
What is the difference between genetic variation and an adaptation? Give an example for each.
Answer:
Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations. Random mutations are the initial cause of new heritable traits. For example, a rabbit can't choose to have a different fur color.
Explanation:
what are the differece between facts theory and hypothesis in scientific ex'p
Answer:
Theory, and Law In Science.
Explanation:
for a phenomenon made as a starting point for further investigation.
For something to be considered dead, it used to do what? Plz help
Answer:
C. Carry out all 5 of the life processes but no longer can
Explanation:
All living things are characterized by their ability to grow, reproduce, use energy by respiration, respond to stimuli, and easily adapt to their environments. When a living thing loses the ability to perform all of these basic functions, then it can be said to be non-living, or dead.
In addition, locomotion, excretion, metabolism, and nutrition were all exhibited when dead things were once alive.
Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit.
1. deciduous trees lose their leaves seasonally and include trees such as maple and elm.
2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine.
3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine.
4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.
Complete question:
Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit.
ElmMaple MangoPine Cedar1. deciduous trees lose their leaves seasonally and include trees such as ----- and ----.
2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include ---- and -----.
3. evergreens are plants that maintain their leaves in all seasons and include trees such as ---, ---, and ---.
4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as ---, ---, and ---.
Answer:
1. deciduous trees lose their leaves seasonally and include trees such as elm and maple.
2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include pine and cedar.
3. evergreens are plants that maintain their leaves in all seasons and include trees such as Pine, Cedar, and Mango.
Explanation:
Deciduous trees: These plant species lose their leaves every year during the cold and dry autumns and winters, as it is the most limiting period over the year. Foliage resprout again during the warmer wet season when it rains more often, during spring and summer. Template forest biome characterizes for having deciduous trees such as oaks, maple, or elm, among other phanerophyte species.1. deciduous trees lose their leaves seasonally and include trees such as elm and maple.
Conifer: Correspond to the gymnosperm group. They are perennial, vascular, evergreen, woody plants. They characterize for having a straight trunk with secondary growth and no vessels in the xylem tissue. Their branches usually develop horizontally, with needle-like leaves growing on them, unisexual flowers, and seeds included in a cone.
2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include pine and cedar.
Evergreens: Perennial plants that keep their green leaves the whole year. These are the opposite of the deciduous trees. Tropical forests characterized for having these broadleaf plant species, such as mango, that are favored by the environmental conditions as precipitations are abundant and the average temperature is elevated most of the year. Also, many evergreen plants are typical of the boreal forest. Pines, cypress, cedar, and sequoia are examples of these last ones.
3. evergreens are plants that maintain their leaves in all seasons and include trees such as Pine, Cedar, and Mango.
Hardwoods: Angiosperms. Xylem with vessels. These species present a high diversity in shape, textures, and sizes. They might reproduce asexually or sexually by producing flowers, fruits, and seeds. Also, they might be either evergreen or deciduous.4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as Elm, Maple, and Mango.
Nursery stock includes
O fruit plants, such as watermelon.
O fruit trees, such as apples.
O vegetable plants, such as broccoli.
O herbs, such as basil.
So answer is B
Thank you all......
Answer: It is B I just took the quiz
Explanation:
What happened if we add normal saline instead of PBS during beta amylase extraction?
Answer:
hi
Explanation:
Saline is the solution of water and NaCl does not provide the appropriate pH, so enzyme activity is lost, we cannot add saline instead of PBS during beta amylase extraction.
How saline water affects beta amylase extraction?PBS (phosphate buffer solution) is a type of buffer that is suited for beta-amylase activity, which implies that when beta-amylase is extracted using buffer, the enzyme's chemical activity is kept.
When we utilize saline, which is a solution of water and NaCl, the pH of the solution is not acceptable, and the enzymes' chemical activity is destroyed.
As a result, for enzyme/protein extraction, we always employ a buffer solution, which maintains the ph for the proper functioning of an enzyme.
Therefore due to pH conditions enzyme lost activity, and normal saline water can not be used instead of PBS for extraction of beta-amylase.
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Proteins are made in organelles called
A ribosome B Golgi bodies C DNA D Chloroplast
Answer:
A) Ribosomes
Explanation:
Proteins are made in the organelles called... RIBOSOMES.
Hope that helps
Answer:
A
Explanation:
can you help me identify if the rest are from the root or shoot system? pls help
Answer:
Cant be identified.
Describe the cause and symptoms of Down syndrome.
The causes of down syndrome are:
The symptoms of down syndrome are:
Attached above..
Dr. Robert Hazen has worked to develop a hypothesis that explains
the origin of life on Earth. His work has focused on hydrothermal vents, which are cracks in the ocean floor. Water heated by molten rock beneath the crust escapes from these vents at very high temperatures, producing hot, high-pressure environments at the vents on the ocean floor.
In order to provide evidence that these vents may be areas where life originated, which of the following states a null hypothesis Hazen might have used to begin his research?
(A) Organic molecules were transported to the hydrothermal vents via a meteorite, thereby seeding them with precursors for more complex molecules.
(B) The temperatures and pressures found in hydrothermal vents resemble conditions described in currently accepted origins of life hypotheses.
(C) Organic waste sinking to the ocean floor would have used the unique hot water environment as an energy source to begin manufacturing food.
(D) Chemosynthetic organisms can best develop in the hydrothermal environment, manufacturing nutrients for other living things to feed on.
Answer:
(B) The temperatures and pressures found in hydrothermal vents resemble conditions described in currently accepted origins of life hypotheses
Explanation:
We are told that Dr. Hazen wants to develop a hypothesis that explains
the origin of life on Earth.
Now, he focused on hydrothermal vents. That Water heated by molten rock beneath the crust escapes from these vents at very high temperatures, producing hot, high-pressure environments at the vents on the ocean floor.
This means the null hypothesis will be temperatures and pressures found in this initial condition he described while any other different from it will be the alternative hypothesis.
Looking at all the given options and comparing with the initial hypothesis conditions in the question, the correct answer is option B.
The origin of life can be seen as the natural process in which the origin of living things happen through non-living matter or smaller organic compound.
The null hypothesis is:
(B) The temperatures and pressures found in hydrothermal vents matches the conditions described in currently accepted origins of life hypotheses.
The null hypothesis for Dr. Robert Hazen hypothesisThe hypothesis says that hydrothermal vents are cracks in the ocean floor.It also states that there were high temperatures and high pressure environment.Thus, the option (B) The temperatures and pressures found in hydrothermal vents matches the conditions described in currently accepted origins of life hypotheses is the best null hypothesis for Dr. hazen to begin his research.
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If you’re good at this could you help me please?
Answer:
I'm pretty sure its D or B
Products of the breakdown of an original pesticide or herbicide are called __________.
A)
silt
B)
degradates
C)
soil peds
D)
cations
E)
aggregates
Answer:
B
Explanation:
degradates
What is a sand cats primary diet?
Answer and explanation:
Sand cats eat primarily small rodents, occasionally hares, birds, spiders, insects and reptiles. They are fearless snake hunters—their prey can include venomous vipers and other snakes. Living in a relatively desolate habitat, sand cats are opportunistic feeders out of necessity.
what are two important processes that occur during the prophase?
Answer:
In prophase, the nucleolus disappears and chromosomes condense and become visible. In prometaphase, kinetochores appear at the centromeres and mitotic spindle microtubules attach to kinetochores. In metaphase, chromosomes are lined up and each sister chromatid is attached to a spindle fiber.
Explanation:
WILL GIVR BRANLIEST ANSWER !!!
What do individuals who are heterozygous for codominant traits show for a
phenotype?
Answer:
For a codominant trait, a heterozygous organism will actually express both alleles. This means that the distinct phenotypes produced by each allele can both be observed.
Pls help i don't understand :( Will Mark Brainliest!! + 25 Points!!]
Answer: A
Explanation: