What is the goal of mitosis?
1. to create two daughter cells that are identical to the parent cell
2. for one daughter cell to create a new, identical daughter cell
3. cell growth
4. to split the cell’s chromosomes evenly between two daughter cells
Answer:
1
Explanation:
because mitosis is a process where a single cell divides into two identical daughter cells
According to cell theory, which activity is impossible?
Answer:
Liver cells being generated by air
Explanation:
A P E X
If purple flowers are dominant to white flowers, and a heterozygous purple flower is crossed with a white flower, what is the probability that an offspring will be white? (Hint: draw a Punnett Square). Rr x rr
50%
25%
100%
75%
which one ^
FASTT HURRYYY PLEASEEEE
What does number 2 on the diagram show?
Number 2 appears to be DNA.
Answer. The correct one is dna
What do organisms get when Glucose is broken down?
Answer:
They get energy
how does the surface area to volume ratio affect the rate of diffusion
Explanation:
As the ratio gets smaller, it takes longer for items to diffuse.
Explanation:
When the cell increases in size, the volume increases faster than the surface area, because volume is cubed where surface area is squared.
When there is more volume and less surface area, diffusion takes longer and is less effective. This is because there is a greater area that needs to receive the substance being diffused, but less area for that substance to actually enter the cell.
this is actually why cells divide. When they become too large and it takes too long for them to transport materials across the cell, they lose efficiency and divide in half to raise the surface area to volume ratio.
Which type of neuron stimulates muscles to contract?
A. interneuron
B. sensory neuron
C. motor neuron
Answer:
Motor neurons stimulate muscles to contract answer:C
The mass and______of an object affects the momentum of its motion.
a. destiny
b. shape
c. velocity
d. volume
If an organism does not have a nucleus, has only one cell, and can survive in extreme conditions, into which domain would it be classified?
Question 8 options:
Domain Eukarya
Domain Archaea
Domain Bacteria
a _____ force is when two forces cancel each other out and do not affect the motion of an object
Answer:
Friction and gravity are at work in each picture. Explain how each are at work and how they work together. Balanced forces - Two or more opposite forces are balanced forces if their effects cancel each other and do not cause a change in an object's motion.
Explanation:
Balanced forces are equal and opposite forces that act on the same object. That's why they cancel out. Action-reaction forces are equal and opposite forces that act on different objects, so they don't cancel out. In fact, they often result in motion.
What role do urban cities play in affecting albedo
Answer:
Urbanization has many effects on surface albedo. It reduces it through the introduction of dark surfaces, through changing the surface geometry to better capture solar radiation, and through reducing snow cover in winter. It can also increase it by increasing the cloud cover and by emitting air pollutants and aerosols.
HELP which one?
Please don’t lie I need help
Answer:
option B is correct answer of this question
crust ,mantle,core
hope it helps
Answer:
Each layer has its own properties, composition, and characteristics that affects many of the key processes of our planet. They are, in order from the exterior to the interior – the crust, the mantle, the outer core, and the inner core.
Explanation:
Greg Developed and Ear infection. His doctor gave him an antibiotic. The antibiotic killed all the bacteria in his body. What other effect could the antibiotic have
Some of the antibiotics doctors prescribe to treat an ear infection such as amoxicillin, cortisporin (neomycin/hydrocortisone) solution or suspension.
What is infection?The infection is invasion and growth of germs in the body. The germs can be bacteria, viruses, yeast, fungi, or other microorganisms. Infections can begin anywhere in the body and may spread all through it.
Antibiotics can have side effects as when children take antibiotics at the first sign of an ear infection, they are more likely to have vomiting, diarrhea, and allergic reactions because of the medicine. Also, antibiotics can kill “friendly” germs in the body and cause other problems like diarrhea.
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The phenotype of an organism is its physical characteristics, which result from the organsism's genes.
When an enzyme was added that destroyed carbohydrates from the heat-
killed S strain and added to the live R strain, did transformation occur? (Did
transformation happen without the carbohydrates?)
Yes or No
Pls help quick plzzzzzzzz
1. Flowers must rely on vectors to move pollen. These vectors can include wind, water, birds, insects, butterflies, bats, and other animals that visit flowers. We call animals or insects that transfer pollen from plant to plant “pollinators”.
2. Germination:When a seed falls on the ground, it needs warmth and water in order to germinate; some seeds also need light. Dicots have seed coats that soften with moisture. After being planted in the soil for a few days, the seed absorbs water and swells until the seed coat splits.
What is the most likely reason that horses and mountain goats have hooves?
They have homologous structures because they have a common ancestor.
They have analogous structures because they have a common ancestor.
These are vestigial structures in both animals because they are not used.
These are similar structures due genetic mutations.
What is the answer to this?
Answer:
They have homologous structures because they have a common ancestor.
homologous structures because they have a common ancestor is the most likely reason that horses and mountain goats have hooves.
what is homologous structure ?Homologous structures shoe the same structure, but may have a distinct function, it indicate a common ancestor.
A homologous structure is an organ or bone seen common between different animals that demonstrates an anatomical commonality indicating that the animals share a common ancestor.
on the other hand analogous structures where two unrelated species have structures with similar forms or functions due to convergent evolution.
for example of a homologous structure is the wing of a bird and an insect.
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Your friend makes a claim that the image to the right shows facilitated
diffusion. You are an educated Honors Biology student, and you believe
that he/she is incorrect in their claim. Make a claim as to which type of
cellular transport is represented in the image (1 point)State TWO pieces of
evidence from the image that supports your claim (2 points).*
Answer:
Facilitated diffusion is a type of passive transport of molecules down the concentration gradient between two sides of a membrane which doesn't require ATP and instead uses a specific transmembrane protein.
Active transport requires instead ATP and it is the process drawn in the figure. Moreover the figure illustrates that molecules are moving against their concentration gradient.
reactions of photosynthesis
Without the discovery of magnetic reversals recorded on the ocean floor, scientists
a
could not confirm the usefulness of sonar
b
could destroy the hypothesis of continental drift
c
could not provide a mechanism for moving continents
d
could explain how the seafloor was being destroyed
Answer:
Could not obtain evidence for the hot spot hypothesis. Which of course helps scientist know where under water volcanoes might Be. This is helpful in learning more about sea life and the sea floor and what goes on in an ecosystem located under water.
HAHAHA GOTTIE
Explanation:
Explain your justification for the changes in trait distribution between years 1 and 10. What do you think will happen to the population by year 15?
Answer:
I need an imago or a graph
Explanation:
TO PLZ HELP!!!!
List five organelles eukaryotes have that prokaryotes do not have.
Answer:
nucleus, mitochondria, golgi apparatus, endoplasmic reticulum and lysosomes
The Green River Formation is famous because it:
is the largest fossil deposit in the world
contains the oldest known bat fossil
O has the most recently discovered fossil deposit
O is the best known location for carbonized fossils
Answer:
is the largest fossil deposit in the world
contains the oldest known bat fossil
Explanation:
Hope it helps ✌️
what is
Meiosis and Mitosis
Answer:
mitosis is part of a cell that splits in 2 to make two new nuclei. Meiosis is the special cell division of sexual reproduction, like sperm and egg cells
Explanation:
In the oldest fossils found in Bitter Springs (Cyanobacteria), why can we only find the remains of single celled organisms
Answer:
Due to presence at early days of the planet.
Explanation:
We only find the remains of single celled organisms in the oldest fossils because the single celled organisms are the organisms that were present in the early days of this planet. These single celled microbes were present about 3.7 billion years ago while on the other hand, the oldest rocks are only a little older i. e. 3.8 billion years so these single celled organisms are considered as oldest fossils on this planet.
I NEED HELPPPP PLZZZZZZZZZ
Answer:
The second option: Both alleles are expressed
Explanation:
Codominance is when both alleles are expressed.
What are the 3 most important parts of a seed
Answer:
the 3 primary part of a seed are the embryo, endosperm, and seed coat.
expaination:The embryo is the young multicellular organism before it emerges from the seed.
Explain how sulfur mining affects plant life.
Although the landscape shows a certain ability to persist, underground mining activity has caused some effects such as ground fissures (cracking), disturbance of the vegetation community and damage to strata.
Elephants shape their environment in many ways. They can change a forest to a grassy field or dig a hole that might become a pond. They clear large amounts of vegetation, which removes habitats for some organisms but makes the area inviting for other organisms. Which best describes possible interactions of elephants with the surrounding ecosystem?
positive
negative
neither positive nor negative
both positive and negative
Answer:
☁︎both positive and negative. for making ponds for other animals to live in but clearing large amounts of vegetation☁︎
Based on their activities, it can be concluded that Elephants have both positive and negative effects on their environment.
What is a Habitat?A habitat is refers to a place where a living organism is found.
The activities of an organism affects the habitat of that organism.
What is the impact of Elephants on their habitat?Elephants shape their environment in many ways, both positive and negative.
They can negatively impact their environment by changing a forest to a grassy field.
They can positively impact their habitats by creating new habitats from existing habitat such as by digging a hole that might become a pond.
Therefore, it can be concluded that Elephants have both positive and negative effects on their environment.
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Which of the following biological processes releases oxygen into the
atmosphere?
A. Transpiration
B. Paristalsis
C. Respiration
D. Photosynthesis
Answer:
D. Photosynthesis.......