DNA is duplicated during a process called
Answer:
DNA replication
Explanation:
This system provides energy from food
A. Circulatory
B. Endocrine
C. Digestive
D. Lymphatic
Answer:
c
Explanation:
Carbohydrates, proteins, and lipids provide this energy. Chemical bonds in molecules of these nutrients contain energy. When the bonds are broken during digestion to form simpler molecules, the energy is released.
As CO2 concentration increases in this graph, how is average global temperature affected?
Answer:
increases as well
Explanation:
carbon dioxide and other greenhouse gases contribute to the effects of global warming
The Himalayan rabbit's habitat has cold, snowy winters and mild summers. The body is
typically covered in white fur except for the nose, feet, tail, and ears, which are covered in
black fur
Himalayan Rabbit
A scientist shaved an area of white fur on the back of a Himalayan rabbit and placed an ice
pack over the shaved area. The shaved area grew black fur.
Which of these best explains why the hair that grew back where the ice pack was placed was
black and not white?
F The genes for black hair were activated by specific temperatures.
G The white hair mutated to black hair as the rabbit's body temperature decreased.
H The coat color changed from white to black with the age of the rabbit.
3 White hair only grows during certain times of the year.
Answer:
F. The genes for black hair were activated by specific temperatures
Explanation:
The white hair only grows in cold temperatures. Just because they put an ice pack on the rabbit does not mean that its cold.
Rabbits regulate their body temperature by using their ears. A fever or a dip in body temperature could be indicated by extremely chilly or hot ears. Thus, option F is correct.
What are the adaptation rabbits have in Himalayan?In general, rabbits thrive in cooler climates. In the fall, rabbits stop shedding their fur and develop a thick coat of fur that keeps them warm in the winter. Low temperatures of 32 degrees don't really bother them.
Strong back legs offer rabbits the speed they need to run away from predators. Their feet have fur on the bottoms for warmth and strong claws for traction.
The white hair only grows in cold temperatures. Just because they put an ice pack on the rabbit does not mean that it's cold.
Therefore, The genes for black hair were activated by specific temperatures
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what is the theory of plate tectonics?
Answer: The theory states that the earth's crust is divided into massive slabs known as tectonic plates.
Explanation:
These plates move on the mantle which is a layer made of magma, which consists of semisolid rocks.The heat from earth's core causes convection currents much like in a beaker full of water.But, here the force developed by the magma is so great that it slowly moves the plates like boats on sea over millions of years.
From a single fertilized ovum undergoing a series of rapid cell divisions, a human infant develops. The embryonic cells become specialized for a variety of functions. Which of these statements best describes how different cell types develop
Answer:
Each cell has an identical copy of DNA with enzymes controlling the expression of specific genes, leading to a variety of cells
Explanation:
Each cell type contains only the active parts of the DNA needed for that cell type Each cell type has only one chromosome containing the DNA needed for that cell type. Each cell has an identical copy of DNA with enzymes controlling the expression of specific genes, leading to a variety of cells Each cell has multiple copies of DNA that are affected in different ways by the environment to change the function of the cell at regular intervals.The correct answer would be that each cell has an identical copy of DNA with enzymes controlling the expression of specific genes, leading to a variety of cells .
Cell differentiation occurs when a specific segment of the DNA of a cell is expressed during gene regulation and control. The segment of DNA expressed would be dependent on the function the cell is meant to perform. Thus, if cell A is meant to perform an excretory role and cell B is meant to perform a digestive role, even though cells A and B contain the same DNA, different segments of their DNAs would be expressed so that each cell becomes adapted to its role.
Which of the following is not true of gravitational force? ( pls help me)
A noncontact
B depend on mass
C depend on speed
D depend on distance
Answer:
C) Depend on speed.
Explanation:
How fast can you answer correct..? How fast can i give you brainliest. Explain Your answer:D/ HELP
When pressure is applied to a fluid in a closed container,
Many shark species have experienced a great deal of decline in population sizes due to a variety of factors. In the Bahamas, sharks are plentiful, but still experience a decline as populations reach their carrying capacity. Which of the following factors does not affect the carrying capacity of all shark species?
Answer:
You didnt list the factors? comment the factors and ill come back to answer
How does the idea of atoms
explain the principle of conservation of
matter?
Answer:
Both the initial and final substances are composed of atoms because all matter is composed of atoms.
Help me plsss!!!!!!!
Answer:
Yes
Explanation:
The earth revolve around the sun at a constant speed of 67,000 mi/hr because if it is not, we will feel the earth moving.
Answer: I think it's yes
(I'm so sorry if it's wrong)
Hope this Helps!
Which describes laptops, cell phones, and video game systems that people use every day? obsolete technologies current technologies emerging technologies coexisting technologies
Cytosine makes up 24% of the nucleotides in a sample of DNA from an organism.
What percent of the nucleotides in this sample will be thymine
A) 48%
B) 26%
C) 24%
D) 13%
Answer:
26%
Explanation:
if cytosine makes up 24%, then guanine also makes up 24%.
add these to get 48%.
subtract that from 100% to get a remaining 52%
then split the 52% between adenine and thymine to tell you that 26% is thymine
The percent of the nucleotides in this sample will be thymine should be considered is the 26%.
Calculation of the percentage:Since
Cytosine makes up 24% of the nucleotides
So here the guanine should be 24%
Now if we add together should be
= 24% + 24%
= 48%
Now the remaining should be
= 100 - 48%
= 52%
Now here we half the 52% so it comes 26%
Therefore, the option b is correct.
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A solution outside of a cell that contains an equal water concentration with the cytoplasm of a cell is called:
Answer:
isotonicity
Explanation:
If the solute concentration outside the cell is the same as inside the cell, and the solutes cannot cross the membrane, then that solution is isotonic to the cell.
Which of the following is produced during photosynthesis
What is the geosphere?
Answer:
the geosphere is the earth itself the rocks the minerals and landforms of the surface and interior.
Answer:
The geosphere is all Earth’s solid like soil . Geo a Greek word which means earth.
Explanation:
what are two changes that make our daily lives to have a positive impact on the environment?
Fertilization is when a sperm and egg fuse together to make a zygote. Once formed, the zygote will undergo which type of cell division to eventually grow into a fetus?
mitosis
meiosis II
both meiosis I and II
meiosis I
Answer:
both meiosis I and II if i'm wrong remove my answer
Explanation:
Engineers are designing a bridge that will better withstand earthquake forces. What is the process called when engineers use a computer to see what happens to their design during an earthquake?
earthquakes from occurring but we can significantly mitigate their effects by identifying hazards, building safer structures, and providing education on earthquake safety. By preparing for natural earthquakes we can also reduce the risk from human induced earthquakes
PLEASE PLEASE HELP ASAP!!!!! Plants, animals, yeast, and bacteria all share very similar cell-signaling processes. Which of the following does this suggest about the evolution of cell communication in organisms?
Answer:
mm A
Explanation:
Answer:
The answer is A
Explanation:
Which of the following are examples of how an animal can help a plant reproduce
Answer:
I don't see any answers to choose from, but when an animal eats a plant, travels, and then *poops* it out, the seeds are usually in the scat, thus spreading the plant and allowing it to reproduce.
Explanation:
Great amount of electromagnetic energy from sun and other bodies in space travel through space. Which is a logical conclusion about electromagnetic waves
Energy must be very low
Frequency must be very low
Their wavelength must be very short
these wave can travel without the medium
Answer:
last option- these waves can travel without the medium
Which of these does organic farming use?
A.
effective pesticides
B.
genetically modified seeds
C.
hormones
D.
fertilizers
E.
green manure
A mother is heterozygous for Type B blood and a father has type O blood, what is the probability of being a carrier of Type O blood?
A. 50%
B. 100%
C. 0%
D. 25%
E. 75%
Answer: 50%
Explanation:
(I Tried Putting My Explanation Its Not Working Bc Its Inappropriate)
But If The Mothers Blood Type Is 0 and the fathers blood type is A then it would be 50% Genotype for the child
Hope This Helps :) please mark brainliest
What kind of adaptations could have given homosapiens an evolutionary advantage over neanderthals and other species of humans?
Answer:
humans had more developed 'social' brains than Neanderthals, which enabled us to colonize new habitats and adapt to climate fluctuations
Explanation:
A more developed brain is considered to be an adaptive advantage that enabled early humans to leave Africa and colonize new habitats. Modern humans are able to adjust to new environments, situations, and socialize with other humans because the brain is a social organ. Although Neanderthals were able to occupy an important area of Europe, H. sapiens could colonize faraway lands, migrating into tropical forests, deserts, and glacial lands (colder areas than those colonized by Neanderthals). These early humans formed social groups which enabled them to find food more easily, thus greatly increasing their chances for survival.
what happens when light hits a mirror
Answer:
pretty sure it reflects the light back
Explanation:
True or false - DNA and RNA store heredity to make proteins?
in my own opinion I think it's false ..,
what dose the nucleus control
Answer:
the nucleus controls and regulates the activities of the cell (growth and metabolism) and carries the genes, structures that contain the hereditary information.
Answer:The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus. The gel-like matrix in which the nuclear components are suspended is the nucleoplasm.
What do you know about bacteria?
(Multiple choice question)
They are microscopic cells
They are like viruses
They are infectious particles
Answer:
They are microscopic cells
Explanation:
Answer: B
Explanation: they are like viruses . Because virus has bacteria