The Diploid form in a plant life cycle is called sporophyte.
Sporophyte explained.
The sporophyte is the diploid, multicellular stage in the life cycle of plants. It is responsible for producing spores through a process called sporogenesis. Sporogenesis occurs in specialized structures called sporangia, which are typically locatted on the sporophyte. The sporophyte undergoes meiosis, a type of cell division, to produce haploid spores.
These spores are released from sporangia and dispersed into the environment. Under suitable conditions, the spores germinate and develop into gametophyte, which is the haploid stage of the plant life cycle. The gametophyte produces gametes through mitosis.
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Distinguish between anabolism and catabolism?
Explanation:
Anabolism creates molecules the body needs for functionality and it uses energy in the process. Catabolism, on the other hand, breaks down complex molecules and releases energy which is available for the body to use.
What type of cells use meiosis as a method of cell division?
Answer:
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.
Explanation:
Plastics like PVC pipe and Teflon used to make non-stick cooking trays are made by bonding large chains of carbon molecules to other molecules; disrupting Earth's natural cycles. How is the use of plastics disrupting nature? A) Production uses 10% of Earth's energy. B) Animals/Fish can not digest the enzymes. C) Landfill's leak harmful chemicals into the atmosphere. D) Floating plastic waste serves as transportation devices for invasive species, disrupting habitats.
B) Animals/Fish can not digest the enzymes.
Which undefined geometric term can be described as a one-dimensional set of points that has no beginning or end?
Answer:
jchchmnvbmcnvchbvhjlscjbvhjxcnbvhjilickkidsjdhfkdhjxncvmjdhvcmvbhcmvnbcvmncbvcnv
Explanation:
Earth Science
The atmosphere of earth is mainly what type of gas? Explanation.
Explanation:
Earth's atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent
9. Study the image that shows the water cycle. Then complete the flowchart showing
how water moves in the cycle.
Sunlight shining on plant leaves causes them to lose water by
as water vapor.
This water becomes part of the
into liquid water droplets.
When water vapor cools, it
falls to Earth's surface because of gravity.
Liquid and frozen
Answer:
The answer would be
-Sunlight shining on plant leaves causes them to lose water by TRANSPIRATION
-This water becomes part of the EVAPORATION into liquid water droplets.
-When water vapor cools it CONDENCATES into liquid water droplets.
-Liquid + frozen PRESIPITATION falls to Earths surface because of gravity.
Explanation:
all you have to do is look up a picture of a water cycle diagram. I included an example of one. Hope this helps!
what is the role of mitochondria in cellular respieration using the terms: ATP, matrix, inner membrane (cristae), Krebs Cycle, ETC
Mitochondria have an important role in cellular respiration through the production of ATP, using chemical energy found in glucose and other nutrients.
What do you mean by cellular respiration?Cellular respiration is a series of chemical reactions that break down glucose to produce ATP, which may be used as energy to power many reactions throughout the body.
Cellular respiration is the process by which biological fuels are oxidised in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, to drive the bulk production of ATP.
The reactions of cellular respiration can be grouped into three stages: glycolysis (stage 1), the Krebs cycle, also called the citric acid cycle (stage 2), and electron transport (stage 3).
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What common thing occurs in each mutation?
The ability to taste PTC is due to a single dominant allele "T." You sampled 215 individuals and determined
that 150 could detect the bitter taste of PTC and 65 could not. Calculate the following frequencies.
A. The frequency of the recessive allele,
B. The frequency of the dominant allele.
C. The frequency of the heterozygous individuals.
Please show all work
The frequency of the recessive allele would be 0.55, that of the dominant allele would be 0.45, and that of the heterozygous individuals would be 0.495
Population geneticsRecall that for a population in Hardy-Weinberg equilibrium:
p2 + 2pq + q2 = 1
Also, p + q = 1
Where:
p = frequency of the dominant allele in the population
q = frequency of the recessive allele in the population
p2 = percentage of homzygous dominant individuals
q2 = percentage of homzygous recessive individuals
2pq = percentage of heterozygous individuals
In this case, the percentage of homzygous recessive individuals can be calculated as:
Homzygous recessive = those that could not taste PTC = 65/215
q2 = 65/215 = 0.302
q = 0.55
Since p + q = 1
p = 1 - 0.55
= 0.45
The frequency of the heterozygous individuals = 2pq
= 2 x 0.45 x 0.55
= 0.495
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In how many years will there be left until the sun explodes ?
Answer:
around 5 billion
Explanation:
Answer:
about 7 to 8 billion years.
what is chaetoderma
Answer:
Chaetodermidae elegans is a species of glisten worm, a kind of shell-less, worm-like mollusk in the family Chaetodermidae. This species is found in the Eastern Pacific Ocean.
Explanation:
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If a man with blood type AB marries a woman who is heterozygous for blood type B, what is the probability of having a child with blood type O?
Considering the probabilities of these outcomes, the chance of having a child with blood type O is 50% if a man with blood type AB marries a woman who is heterozygous for blood type B.
To determine the probability of having a child with blood type O, we need to analyze the possible blood type combinations that can result from the parents' genotypes.
The man has blood type AB, which means he has both A and B antigens on his red blood cells. The woman is heterozygous for blood type B, meaning she carries one B allele and one recessive O allele. The possible genotypes for the man are AB (IAIB) and the possible genotypes for the woman are BB (IBIB) or BO (IBi).
When these two individuals have offspring, their children can inherit any combination of the parents' alleles. The possible combinations are as follows:
AB x BB: All children will have blood type B (IBIB), as both parents only carry the B allele.AB x BO: There is a 50% chance that each child will inherit the O allele from the mother, resulting in blood type O (ii). There is also a 50% chance that each child will inherit the B allele from the mother, resulting in blood type B (IBi).
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What are some of the ways in which the rainforests have been devastated?
The ways in which the rainforests have been devastated is Logging, Mining or deforestation for animal agriculture.
The Rainforest is an area of greenery with high amounts of rainfall. This offers a home for the thousands of animal and plant species, but it also contributes significantly to stopping climate change.
In the Rainforest, The use of pesticides and fertilisers have an impact on the local wildlife, plant species, and Indigenous people in the area, in addition to the problems brought on by the removal of such extensive portions of the rainforest.
The native animals, vegetation, and human population all suffer as a result of devastation.
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Which term describes an organism that remains in one place?
Sessile is the term used to describe an organism that remains in one place.
Why are some organism sessile?
Some animals such as corals and sponges are sessile. These animals don't expend their energy to catch their prey they live by attaching to a substrate. They choose a suitable spot to feed. They can be found on tree trunks, on rocks, and even in water.
Plants are typical example of sessile organism. They permanently grow in one spot taking nutrients from the soil and making use of the available sun for photosynthesis. Sessile organism doesn't have the ability to move from one place to another and it has a big advantage as they save energy and they also develop unique feeding mechanisms enabling them to survive in their habitat.
In summary, sessile organisms don't move yet they feed by attaching themselves to a substrate.
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Which of the following helps protect biofilms from issues such as drying out and predators
a.) Extracellular polymeric substances
b.) Quorum sensing
c.) Becoming sessile
d.) Autoinducers
Extracellular polymeric substances help protect biofilms from issues such as drying out and predators. Option A
Biofilms are complex communities of microorganisms that adhere to surfaces and form a protective matrix. They can be found in various natural and artificial environments, such as riverbeds, medical devices, and plumbing systems. Biofilms provide advantages to the microorganisms within them, including protection from environmental stresses and predators.
One of the key components that helps protect biofilms is extracellular polymeric substances (EPS). EPS are complex mixtures of polysaccharides, proteins, and DNA that are secreted by microorganisms within the biofilm. These substances form a matrix that encases the cells, providing structural support and protecting the community.
EPS help biofilms resist drying out by retaining water and preventing desiccation. The polysaccharides in EPS can absorb and retain moisture, creating a hydrated environment within the biofilm even in dry conditions. This is crucial for the survival of the microorganisms within the biofilm.
Additionally, EPS serve as a barrier against predators. The matrix formed by EPS can make it difficult for predators, such as protozoa or grazing organisms, to access and consume the microorganisms within the biofilm. It acts as a physical defense mechanism, limiting the exposure of the microorganisms to predation.
While quorum sensing, becoming sessile (immobile), and autoinducers are all important mechanisms and processes associated with biofilms, they do not directly address the protection of biofilms from drying out and predators. So Option A is correct.
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How is selective pressure related to evolution?
A. Selective pressure can be a driving force of evolution.
B. Selective pressure is the same as evolution.
C. Selective pressure ensures that evolution has an end product.
D. Selective pressure causes evolution to proceed randomly.
Selective pressure can be a driving force of evolution; option A.
What is selective pressure?Selective pressure refers to external forces which affect an organism's ability to survive in a given environment.
Selective pressure can either decrease or increase the occurrence of a trait.
Therefore, selective pressure can be a driving force of evolution.
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For children from two to five, chikcare spaces are best organized into centers for play.
True or false ?
Answer:
True
Explanation:
Water has the ability to dissolve and carve itself into limestone. What environmental process is
this?
Answer:
dissolving power of rain water
Explanation:
The process where the water absorbs CO2 making it a bit acidic so over a period of thousands of years it erodes the limestone
This is correct
Hope this helps!!
An excess of greenhouse gases is warming the oceans. Which of the following describes an effect of excess greenhouse gases?
Sea levels will decrease due to thawing glaciers and ice sheets.
Organisms that live in colder temperatures will continue to thrive in their environment
Melting of glaciers and ice sheets will cause coastlines to shrink and increase flooding.
The increase in temperatures will prevent disease vectors from spreading to other regions.
Answer:
Melting of glaciers and ice sheets will cause coastlines to shrink and increase flooding.
N a culture of bacteria, a sample is taken at 10:00am and contains 1000 cells per ml. A second sample at 8:00pm has 10,000 cells per ml. What is the generation time ?
The generation time of the bacteria in the following culture is approximately 3.01 hours.
To determine the generation time of bacteria, we can use the formula:
Generation time (t) = (Time elapsed (T) / Number of generations (n))
In this case, we have a time difference of 10 hours between the two samples.
To calculate the number of generations, we can use the formula:
Number of generations (n) = log(N₂ / N₁) / log(2)
Where N₂ is the final cell count (10,000 cells/ml) and N₁ is the initial cell count (1,000 cells/ml).
Plugging in the values, we get:
Number of generations (n) = log(10,000 / 1,000) / log(2) ≈ 3.32
Now, we can calculate the generation time:
Generation time (t) = Time elapsed (T) / Number of generations (n)
Generation time (t) = 10 hours / 3.32 ≈ 3.01 hours
Therefore, the generation time of the bacteria in this culture is approximately 3.01 hours.
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The horizontal line at zero represents a baseline average temperature. From what years is this
baseline temperature calculated?
The years used to calculate the baseline average temperature can vary depending on the specific dataset being analyzed. However, the most commonly used baseline period for global temperature anomalies in the period from 1951-1980.
This baseline period was established by the National Aeronautics and Space Administration (NASA) and the National Oceanic and Atmospheric Administration (NOAA). It is used as a reference to compare current and future temperature anomalies to historical averages. Temperature can vary from year to year. Hence, the baseline temperature is calculated from 1951-1980.
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The Arizona poppy has adapted to living in areas that receive less rain, but there are still periods of time that a drought occurs. What part(s) of photosynthesis would the plant not be able to perform if there is no rain? What would be the long-term effects on the plant if the drought were to continue? Explain your answer.
If there is no rain, the Arizona poppy would not be able to perform the light-dependent reactions of photosynthesis.
What are the stages of photosynthesis?Photosynthesis is a process that involves two main stages: light-dependent reactions and light-independent reactions.
Water is required in the light-dependent reactions to provide the electrons that are needed to generate ATP and NADPH, which are then used in the light-independent reactions to produce glucose.
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Question 23 of 33
Which of the following statements best describes how biological science has
developed over time?
OA. Scientific knowledge is recent. Our current understanding is based
on observations and experiments performed within the past 25
years.
OB. Each new idea proves all previous observations and
experimentation to be inaccurate.
C. Biological science is complete. All scientific knowledge has been
discovered.
OD. Each new idea builds on observations and experimentation made
by scientists around the world and throughout time.
4
SUBMIT
Answer:
D. Each new idea builds on observations and experimentation made
by scientists around the world and throughout time.
Explanation:
Biological science is an ever-evolving field, and our understanding of it has grown through a cumulative process. Scientists continuously build upon the knowledge and discoveries of their predecessors. New ideas and theories are developed based on observations, experiments, and the synthesis of existing information. This iterative process allows for the refinement and expansion of scientific knowledge in biology. Therefore, option D accurately captures the nature of how biological science has developed over time.
Tae formation of fossil fuels is a process that takes millions of years and
starts with energy from the Sun. The Sun contributes to the formation of
fossil fuels by -
A) generating winds, so humans use less fossil fuels
B) giving off heat, similar to burning fossil fuels
C) giving energy to the living things that become fossil fuels
D) heating up the Earth's core where fossil fuels form
Answer:
D
Explanation:
It was a long time ago when the crust was still molten lava. The ground basically buried the fossil fuels and that's why it makes imprints.
(A)
A. aa
C. A
AA
A
The gametes from the
parent in this image
will have what alleles
for the trait shown?
B. Aa
D. a
Answer:
c. A
Explanation:
hope this helps!
Where are the A, B and RH antigens located
Answer: The A, B, and Rh antigens are located on the surface of red blood cells.
Explanation:
What are the six characteristics of living things?(one word for each) 1.have 2.use 3. 4.grow and 5.respond to 6. Blank 1: Blank 2: Blank 3: Blank 4: Blank 5: Blank 6:
Explanation:
1. Have
2. Use
3. Energy
4. Grow
5. Respond to
6. Environment
Why do you get a sugar rush immediately after
eating candy?
A. because your LIVER is working to detoxify the candy before it
poisons you
B. because candy is composed primarily of STARCHES which are
quickly broken down by enzymes
C. because your taste buds are reacting to the candy and are
overwhelmed by how good it tastes
D. because candy is composed primarily of SIMPLE SUGARS which
are quickly broken down by enzymes
Answer: D because candy is composed primarily of SIMPLE SUGARS which are quickly broken down by enzymes
Explanation: The sugar in it -- called a simple carbohydrate -- is quickly turned into glucose in your bloodstream. Your blood sugar levels spike. Simple carbs are also found in fruits, veggies, and dairy products.
Answer:
Your answer is D.
Explanation:
What steps are involved in gene therapy?
Answer:
1. Creating a working gene
2. Building a therapeutic vector
3. Determining eligibility
4. Delivering working gene
5. Monitering
Explanation:
Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?
This is a problem in the field of ecology.
The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.
It falls under the discipline of ecology, which studies the relationships between organisms and their environment.
Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.
In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.
They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.
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