Answer:
Ribosomes?
Explanation:
Answer:
Ribosomes
Ribosomes are the structure that is in the nucleus to assemble the proteins.
Population Genetics
Describe:
How is a population described in population genetics?
Answer:
If they would look alike
Explanation:
Which of the following delivers oxygen to the body?
Mark all that apply
Arteries
Veins
Capillaries
Hemoglobin
Two things that decrease a population
A.
B.
Please help answer this for me it’s my worth a lot percent of my grade ASAP
Answer: environmental hazards and spread of a disease
Explanation:
In the illustration below, label X is pointing to the A. antigens B. antibodies C. antigen-binding sites D. interferons In the illustration below, label X is pointing to the
Answer:
The correct option is C: antigen-binding sites
Explanation:
The antibody is shaped much like the letter Y in the English alphabet. It has two antigen binding sites that are identical in nature. The specificity of these sites is determined by the amino acid sequence that makes it up. Antibodies are complementary to these antigen binding sites, and the antibodies have an incredible ability to recognize a great variety of antigens.
Hope that answers the question, have a great day!
Jeremy decides to make a model of the Earth. He makes his model by drawing the Earth on a sheet of paper. When he finishes his model, Jeremy notices that the shapes and sizes of the continents are not correct. He also notices that the Earth's surface is cut off at the edges of the drawing. Jeremy decides that he wants his model to be more accurate. How can Jeremy improve his model so that it is more accurate? A. Use a ruler to draw the continents with straight lines. B. Use a thicker piece of paper. C. Draw the Earth on a sphere. D. Draw the Earth smaller on the paper.
Answer: C. Draw the Earth on a sphere.
Explanation:
Jeremy should draw the Earth like a small sphere that can be drawn completely on the paper and edges will not be left incomplete. The shape and size of the continent can be traced using a map or a stencil. The exact dimension to be drawn is not important but the boundaries should be taken care of and must be accurate.
Answer:
C. Draw the Earth on a sphere.
Explanation:
I need help ASAP please
Use the diagram to answer the following questions.
A
B
S
C
G
S
TA
P
S
S
G
P
S
C
The sides of the helix labeled as A are made of
groups.
Answer:
Explanation:
Im super confused?
Can you explain more?
What are the correct order of steps of binary fission from first to last?
Answer:
Explanation:
Step 1- Replication of DNA
The bacterium uncoils and replicates its chromosome, essentially doubling its content.
Step 2- Growth of a Cell
After copying the chromosome, the bacterium starts to grow larger in preparation for binary fissions. It is followed by an increase in cytoplasm volume as well as an increase in the number of organelles. Another prominent trait of this stage is that the two strands migrate to opposite poles of the cell.
Step 3-Segregation of DNA
The cell elongates with a septum forming at the middle. The two chromosomes are also separated in this phase.
Step 4- Splitting of Cells
A new cell wall is formed at this phase, and the cell splits at the centre, dividing the parent cell into two new daughter cells. Each of the daughter cells contains a copy of the nuclear materials as necessary organelles.
Binary fission begins with the replication of DNA. The DNA is copied. The cell elongates. The DNA is pulled toward both ends of the cell. A new septum is formed. Cytokinesis occurs. The septum is completed as a cell wall. The cells are divided in two.
The steps of binary fission can also be explained with the help of amoeba as an example.
First, an amoeba divides into two nuclei and replicates. The nuclei divide and migrate to opposite sides of the parent cell. Then, the cell produces proteins and nutrients to prepare for binary fission, in which it divides and forms two daughter cells.
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2 Points
Which of the following is a function of the lymph system?
Answer:
The lymphatic system has three main functions: It maintains the balance of fluid between the blood and tissues, known as fluid homeostasis. It forms part of the body’s immune system and helps defend against bacteria and other intruders. It facilitates absorption of fats and fat-soluble nutrients in the digestive system.
Explanation:
why is a seed vault for the world important. 4 reasons why.
Answer:
It is important because it provides seeds when there are none left in the world
Some structures, like the leg bones in the modern day whale, no longer have a useful
function but it is believed that once upon a time they did have a specific function. These
type of structures are called:
Question 1 (1 point)
The diffusion of water through a permeable membrane is called
A. 25%
B. 50%
C. 75%
D. 100%
2 Points
Which best describes the blood flowing in a vein?
O A. It moves toward the heart.
B. It contains no red blood cells.
O C. It is oxygen rich.
D. It contains no white blood cells.
what is a pair of chromosomes consisting of 2 chromosomes that are similar in size, shape and gene called
A. 25%
B. 50%
C. 75%
D. 100%
Answer:
B. 50%
Explanation2 of the offspring are heterozygous (Yy). 2/4 = 50%
Answer: 50%
Explanation:
in predation, the animal that is hunted and eaten is the?
Answer:
The answer is The Prey
Explanation:
Took a quiz
Answer:
prey
Explanation:
Which is the result of an object's motion?
Answer:
second law
Explanation:
becuz it states that force os directly proportional to the product of acceleration and mass
f=mxa
Food molecules such as proteins cannot be absorbed unless they are digested.
Give one reason why.
Answer:
Your body can't absorb proteins in their natural state. Certain proteases in your stomach and pancreas break the bonds that hold the amino acids in protein together so your body can absorb the composite amino acids individually.
Food molecules cannot be absorbed unless digested because ; They are too big to pass through the plasma membrane, in their natural state.
The food molecules such as protein needs to be broken down into its composites amino acids for easy absorption. food molecules, cannot be absorbed in their natural state because they are too big to pass through the plasma membrane.
Protein is broken down ( digested ) by proteases and pancreas into composite amino acids that is absorbable into the human cells.
Hence we can conclude that protein cannot be absorbed unless digested because they are too big to pass through the plasma membrane, in their natural state.
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Write a summary of the pathways rocks can take to become sedimentary, igneous, and metamorphic rocks.
Answer:
When a certain type of rock, specifically, an igneous rock, is deeper into the ground, and it is under the influence of high temperatures and pressures, it will start to change its molecular structure over time. In addition to the high temperature and pressure, chemical influences are also very important, so the the rock will gradually turn into a metamorphic rock.
Depending on the type of influences, and their intensity as well, one type of rock can evolve into multiple different types of metamorphic rocks.
Hi, how are you? Could someone help me with this? I would very much appreciate it.
Are the current life forms similar to those of 3.8 billion years ago? How do we know?
Answer:
No, not really. Over time, organisms have grown much more complex. Photosynthesis happened around 3.4 billion years ago and respiration around 2 billion years ago. These all serve as a testimony to the fact that organisms are in fact growing more complex. We have seen photoautotrophs arise, from the simpler chemoautotrophs, and they now in fact dominate the array of producers! Organisms don't only do fermentation now; they can also do anaerobic respiration and aerobic respiration too! Thus, current life forms are a lot more different today than 3.8 billion years ago.
A group of environmentalists was discussing the benefits and drawbacks associated with using fossil fuels. Which argument best fits the conversation?
Answer:
Fossil fuels are cheaper then alternative forms of energy
Explanation:
took the test
When the total lunar eclipse occurs what are the relative positions of the sun earth and moon
Answer:
A lunar eclipse occurs when the Moon passes directly behind the Earth into its umbra (shadow). This can occur only when the sun, Earth and moon are aligned (in "syzygy") exactly, or very closely so, with the Earth in the middle.
Explanation:
Answer:
The earth is between the sun and the moon
Explanation:
The Moon is non luminous that is doesn't generate light by itself so it depends on light from the sun so when its path through which it taps light from the sun is totally covered it means the Earth is closer to the moon than the Sun so that the Earth gets all off its light leaving nothing for the Moon and in this case the Moon is thrown to total darkness.
Which best describes why the cell membrane is selectively permeable?
It is highly flexible so that the cell can move when it wants to.
It allows only certain materials to enter and exit the cell.
It is nonpolar, allowing only water molecules to enter and exit the cell.
It can allow sugar to enter the cell, but not water.
Answer:
The answer is It allows only certain materials to enter and exit the cell.
What do you think the word biodiversity means? Why is biodiversity important for the stability of ecosystems?
Answer:
Biodiversity refers to the variety of species in an ecosystem. Generally, ecosystems with high biodiversity are more likely to survive environmental changes. Therefore, biodiversity is important to ecosystem stability.
Which resource is a renewable resource?
A. Coal
B. Gemstones
C. Metal
D. Trees
Answer:
d. trees
Explanation:
cuz i took the quiz on edge
What is the purpose ( goal ) of getting vaccine?
Answer:
The purpose of vaccination is to produce immunity.
Explanation:
Immunity means the presence in a person's body of cells and substances known as antibodies that can produce a protective immune response.
what systems do you use when you have a scrape knee
Answer:
cleaning alcohol. polisporin. and bandades
Explanation:
Answer:
You use the immune system
Explanation:
it play a crucial role in the process of wound healing
MULTIPLE ALLELES INHERITANCE-BLOOD TYPES
Is it possible for a mom who is IaIa and a Dad who is IbIb have a child who is type B ?
Answer:
No
Explanation:
A person having blood type B has either of the two genotypes
IbIb
OR
OIb
O represents the blood group B
The genotype of two parents is IaIa and IbIb
Gametes of IaIa are Ia, Ia
Gametes of IbIb are Ib, Ib
IaIa * IbIb
IaIb, IaIb, IaIb, IaIb
All the offspring have genotype AB
Hence two homozygous parents for Blood type A and B will not have any offspring with blood type B
Why is the nitrogen cycle important for the survival of organisms in an ecosystem? A. The nitrogen cycle recycles nitrogen through an ecosystem, making it available to all organisms. B. The nitrogen cycle keeps organisms from consuming nitrogen in their ecosystem. C. The nitrogen cycle allows all organisms in an ecosystem to consume nitrogen instead of consuming each other. D. The nitrogen cycle stores nitrogen in safe places, keeping it from entering an ecosystem.
Answer:
The answer is A.
Explanation:
Nitrogen is an essential nutrient for plants and a significant component of proteins, which all animals need to grow, reproduce and survive. The nitrogen cycle converts nitrogen into compounds that plants and animals can use.
Answer:
A. The nitrogen cycle recycles nitrogen through an ecosystem, making it available to all organisms.
Explanation:
Nitrogen is a vital nutrient in ecosystems. The point of the nitrogen cycle is to recycle it so that it keeps being put back into an ecosystem.
For instance, animals need nitrogen in their diets. They get nitrogen by eating plants which obtain nitrogen from the soil. But how does nitrogen get into the soil? Well, decomposers can decompose dead organisms and recycle their nitrogen so that it enters the soil again. If there wasn't a nitrogen cycle, all the nitrogen would eventually be used up and ecosystems would suffer.
Place the appropriate terms into the table
Answer:
Kindly, provide us with a table, thank you! :)
Explanation:
