help please........ ​

Answer:

for

1.structure of nucleotide:

phosphate :

DNA -nucleic acid

RNA- nucleic acid

Monosaccharides:

DNA- deoxyribose sugar.

RNA- ribose sugar.

Nitrogenous base:

DNA-Adenine ,Guanine ,Cytosine,

Thymine.

RNA-Adenine ,Guanine ,Cytosine, uracil.

2. structure of the molecule:

DNA- double stranded

RNA-Single stranded

3. Functions:

DNA-replicates and stores genetic information

RNA-converts the genetic information contained within DNA to a format used to build proteins, and then moves it to ribosomal protein factories.

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Describe what the scientific method is and why it is important to the scientific community.

An organ can be defined as

a) A group of cells of one type that has a function
b) a group of several different cell types, each type working together
c) a group of tissues that are located together that have unrelated functions
d) part of a system and therefore does not have a function of its own

Brown eyes in humans are dominant to blue eyes. A brown-eyed man, whose mother was blue-eyed, marries a brown-eyed woman whose father had blue eyes. Figure out each member’s genotype

Question 10: If this scenario continues, what do you think will happen to the populations in the next 100 years? Why do you think this might happen?

Help Me Please
The human digestive system is approximately 900 cm long. Food is moved through the digestive tract. primarily by-
A- hydrochloric acid in the stomach
B- the enzymes amylase and pepsin
C-bile produced by the pancreas
D- muscular contractions​

During cell division, what definition correctly describes the process of cytokinesis?


The cell’s membrane separates the cytoplasm, forming two cells.
The cell’s membrane separates the cytoplasm, forming two cells.

The cell’s membrane reforms the nucleus, forming two cells.
The cell’s membrane reforms the nucleus, forming two cells.

The cell’s nucleus reforms the cell membrane, forming two cells.
The cell’s nucleus reforms the cell membrane, forming two cells.

The cell’s nucleus separat

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How does climate change impact Earth?

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What would happen to our moon if gravity ceased to exist?

A.Our moon would fly off into space in a straight line.
B. Our moon would crash into Earth.
C. Our moon would continue to rotate around the Earth.
D. Our moon would not be affected.

A roller coaster car is at the top of a 72 m hill and weighs 966 N. What is the coasters potential energy?

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Can someone give me the step by step answer

The author of this passage would most likely agree with which statement?
А
Frequent droughts are beneficial for the planet.
B
Rising ocean temperatures have made coral reefs healthier.
Governments should enact regulations to protect biodiversity.
D
UN scientists have overestimated the number of species at risk of extinction.

Which part of the onion cell is labeled A?

Protein synthesis actually begins in the nucleus when ___ transcribe ___ ?

1. What forces cool moist air from the oceans to rise as it moves towards land? *
(1 Point)
O
Prevailing winds
Mountain ranges
Seasonal winds

What is meant by natural variation in living things? *
Different species have different attributes.
Different individuals within a species have variation because they may express
different alleles for the same traits.
All the possible trait variations of a single population.
The number of organisms a given area will support.

In protein synthesis, proteins are made (as the name suggests).
What are other names for the end products of protein synthesis (what are other names that refer to proteins)? Choose 2 answers.

a
ribosomes
b
amino acid chains
c
nucleic acid chains
d
polypeptides

What are examples of things that can cause mutations?

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A female firefly responds to signals flashed by a male firefly. What are these fireflies participating in?
A courtship


B hibernation


C migration


D defense

a hydrological imbalance caused by a period of abnormally dry weather is known as a drought for farmers the longer this imbalance lasts the greater the risk their crops fail how might a drought become a problem for food consumers

What could a scientist determine about the diet of a fossilized organism that has sharp, pointy teeth?

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How many kingdoms are there in the domain Eukarya? O A. 1 O B.2 O c. 4 O D. 3​

Charles Darwin proposed the theory of evolution through the mechanism of natural
selection. In order for natural selection to occur, Darwin hypothesized that all
populations must exhibit certain characteristics. Which population characteristic
does the lady beetles population, as shown in the image, exhibit that supports
Darwin’s theory of evolution?

A.Lady beetles with fewer spots are more likely to survive.
B.Lady beetles with more spots are more likely to survive.
C.Lady beetles within a population may vary widely.
D.Lady beetles produce more offspring than can survive.

Which food chain shows the path of energy through individuals in the
pyramid?
O A. Plant → Mouse - Bird
Snake
O B. Bird
Snake → Mouse - Plant
C. Plant
Mouse
+
Mouse
Plant
O D. Plant
Mouse
Snake
Bird

1. What was the landscape like before the fingers of ice carved out the lake beds?
2. What is the glacial history of the region?
3. Why did the ice flow in the opposite direction from the way the rivers had flowed?
4. What was happening beneath the glacier that led to the features that are 5. now seen in the Finger Lakes region?
6. Describe the processes that create glacial moraines.
7. Why is there water in these old glacial basins?