Answer:
Other than mountains, what else could cause geographic isolation? population to start a new population. genetic drift -change in allele frequency in a small population due to random chance. migration - some organisms move away to start a new population
Explanation:
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What would happen if an electric fish was always negatively charged instead?
quick
Answer:
This creature’s powerful jolts not only act like a radar system but also can trick its prey into revealing their location
Explanation:
The plasma membrane: Question 3 options: is the gene-containing control center that directs all cellular activities regulates the entry and exit of cell materials is the site where ribosomes are assembled prior to their migration into the cytoplasm defines the limits of the nucleus
Answer: The plasma membrane (regulates the entry and exit of cell materials).
Explanation:
All living organisms are composed of one or more cells. The cell can be defined as the smallest functional unit of all living organisms. Also called the basic organizational unit of life.
Cells are found to have many features in common. However, a generalized cell does not exist. The precise structure of a cell is closely related to the work it does.
According to the structure of a cell, it has a living material called protoplasm. The protoplasm is enclosed by a membrane known as the PLASMA MEMBRANE.
The PLASMA MEMBRANE is a flexible membrane that is made up of mainly proteins and lipids. It prevents the cell contents from escaping to the exterior. It is also selectively permeable, that is, it controls the materials which are allowed to enter or leave the cell.
Other structures of a cell include:
--> Nucleus: This is the most important cell structure as it houses the genetic information of the cell.
--> The cell wall: this surrounds the plasma membrane but is freely permeable.
which genetic disorder cause the body to produce unusually thick mucus in the lungs and intestines?
Answer:
Cystic fibrosis (CF) is a genetic (inherited) disease that causes sticky, thick mucus to build up in organs, including the lungs and the digestive system. In people who have CF, thick mucus clogs the airways and makes it difficult to breathe.
What do you think could be done to minimizes people’s fears about genetic engineering?
Answer:
By comparing the plants and animals we've bred for thousands of years for the perfect amount of food and parts we like. It's possible to create perfect humans, and to make humans immune to disease and genetic disabilities
Explanation:
What is the function of the small, dark organelles labeled E?
Which is a function of the structure that is represented in the image?
Answer:
They assemble amino acids into proteins.
controls the movement of substances into and out of cells
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Classify this cell type
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Are cows allopatric or sympatric?
Please help
What do all arthropods have?
1: jointed legs
2: 8 legs
3: stiff legs
4: 6 legs
Answer:
every arthropod have jointed legs
Explanation:
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short ears are dominant to long ears, the rabbit is howozygous dominant.
what is his genotype?
what is his phenotype?
let's say we were using e for ear length
the genotype would be EE
the phenotype would be short ears
How did charter captain dean Dougherty come up with the idea for research charters? How are these charters helpful and what makes them unique
Solution :
The charter captain dean Dougherty came up with an idea for the research charters so that he wanted the public to get involved in it and thus side by side also help to develop his research by funding the research.
Dean Dougherty thought these charters are helpful and are unique for the research. He planned to a have a broad database and also though of catching them so that they could do research and collect some useful information form them. These data would definitely benefit Dougherty and his team.
What are the four main descriptions of climate?
Answer:
The characteristics of a planet are that it (a) is in orbit around the sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium [nearly round] shape, and (c) has cleared the neighborhood around its orbit.
Explanation:
UP
by donating a treasured fossil to a specimen collection a scientist is collaborating with other investigators. which of the following best explains why this might be true?
Answer:
Other scientists can see the specimen and of offer suggestions and alternative interpretations.
Explanation:
What is oxygen?And how it works?
Answer:
Oxygen is a gas that your body needs to work properly. Your cells need oxygen to make energy. Your lungs absorb oxygen from the air you breathe. The oxygen enters your blood from your lungs and travels to your organs and body tissues
Answer: oxygen is like a gas that helps your body work and breathe. For example your lungs need air and etc. Then chemicals from red blood cells pick up the Oxygen and bring it to the body tissues and cells
different types of cells in the body have different organells depending on their main function. Considering this which type of cells would have the most mitochondria?
A. Red blood cells
B. Bone cells
C. Muscle cells
D. Nerve cells
E. Skin cells
Phosphorylation of ADP to ATP occurs
A. via ribosomes on the endoplasmic reticulum.
B. in the nucleus
C. in the mitochondria
D. within the cell membrane
Answer:
C. in the mitochondria
Explanation:
Phosphorylation of ADP to ATP occurs in the mitochondria. Thus, option (C) is the correct answer.
5. The force applied on a rock is about 800N. The rock does not move. How much work is done on the rock?
Helpp
Answer:
Zero
Explanation:
Work = force x distance moved by the force in its direction
= 800 * 0
= 0
What is the name of the most distant manmade object in space?
Sputnik 1
Spirit
Voyager 1
Cassini
Answer:
Voyager 1
Explanation:
At a distance of 152.6 AU (22.8 billion km; 14.2 billion mi) from Earth as of April 24, 2021, it is the most distant man-made object from Earth. The probe's objectives included flybys of Jupiter, Saturn, and Saturn's largest moon, Titan.
Answer:
Voyager 1
Explanation:
Voyager 1 has overtaken all other spacecrafts and is now the most distant: 22 billion km away, pulling away from the slightly slower Voyager 2 at “only” 18.8 billion km distant
Scientists study rainforests as systems structured in vertical layers, or strata.
How would a tree falling from the top most layer most immediately affect the surrounding plants in the other lower layers?
Answer: More sunlight less space
Explanation: The fallen tree would leave there less space however there would now be more sunlight due to the tree not covering it up anymore
A tree falling from the top most layer most immediately will provide more sunlight and space to the surrounding plants in the other lower layers in a rainforest.
What is a rainforest ?
Rainforest is a thick forest in tropical parts of the world with tall, mostly evergreen trees and a high amount of rainfall.
The space left by a fallen tree allows more light to reach the forest floor as well as space for other vegetation to take root and flourish.In the later stages the nutrients a tree used to build itself during its lifetime are spread into the soil and make it richer for other plants around it to use.To know more about rainforest here
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Which of the following does not cycle quickly!
A) Wood
B) Oil
C) Water
D) Carbon
Answer:
I believe it is be
Explanation:
Depending on the type oil, it can be natural and non renewable
My answer choice is B and my second option is D i am very indeed sorry if I'm wrong.
what drives the flow of water to move from the ocean to the atmosphere?? is it
a. earth's gravity driving the flow of liquid water
b. heat energy
c. light energy
d. matter flowing into the ocean
e. earth's gravity driving the flow of matter and energy
Answer:
b. heat energy
Explanation:
Water, which is able to exist in three different states moves from one form to another. Water can move from the ocean to the atmosphere via a process called EVAPORATION. During the process of evaporation, the sun plays a major role by supplying the HEAT ENERGY required to change water from its liquid form in the ocean to its gaseous form in the atmosphere.
Water cycle of the earth helps ensure that water is not lost in any of its forms. Liquid water stored in the ocean gets evaporated as a result of heat energy into the atmosphere as water vapour.
Which of the following actions would decrease global warming?
Explanation:
Where possible, we can switch to renewable sources of energy (such as solar and wind energy) to power our homes and buildings, thus emitting far less heat-trapping gases into the atmosphere.
When light passes through an object
Answer:
Transmitted
Explanation:
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Which are explanations or statements based on facts in the scientific community?
hypotheses and theories
theories and laws
laws and opinions
opinions and hypotheses
B. theories and laws
i just took the quiz
Definition: This is an excessive amount of water that covers typically dry land.
Example: may be caused by high tides or tsunamis
If an organism is 2n=54, how many chromosomes will be in each if it's gametes?
Answer:
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If an organism is having 2n = 54 chromosomes, then the gamete will have 27 chromosomes each.
What are gametes?A gamete is an animal or plant reproductive cell. Female gametes are acknowledged as ova or egg cells in animals, whereas the male gametes are known as sperm.
During cell division, the gamete receives half of the chromosomes of the parent cell due to a process referred to as meiosis.
Thus, if an organism is having 2n = 54 chromosomes, then the gamete will have 27 chromosomes each.
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What is the site of photosynthesis?
A.leaves
B.stem
C.root
Answer:
Leaves are the major site of photosynthesis
Answer:
Leaves
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Explanation:
1.There is a bell at the top of a tower that is 45m high. The bell weighs 190 Kg. The bell has ________
energy.
helppp plzz
Answer:
If you are referring to the potential energy of the bell then the answer would be:
8,379 kg.m²/s² or 8,379 Joules
Explanation:
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Write a post answering the following questions:
What does the material you reviewed suggest about the American education system?
What are some problems with the American education system?
What MOST LIKELY will result in rising global sea levels?
Explanation:
Global warming is causing global mean sea level to rise in two ways. First, glaciers and ice sheets worldwide are melting and adding water to the ocean. Second, the volume of the ocean is expanding as the water warms.
Find the DNA replication for the following code: AAGTCCTCA
Explanation:
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