answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ANTONII [103]
1 year ago
16

Katie wants to make ball-and-stick models of the four macromolecules. She has colored balls for each of the elements in these mo

lecules, including the following. red: hydrogen black: carbon purple: oxygen green: nitrogen In which macromolecule will she use the black, red, and purple balls in a ratio of 1:2:1? carbohydrates lipids nucleic acids proteins
Biology
2 answers:
Fittoniya [83]1 year ago
8 0

Answer:

carbohydrates

Explanation:

Triss [41]1 year ago
3 0
I think its Carbohydrates, but idk

You might be interested in
suppose that a recent flood devastated a wildlife preserve in your area. local leaders suggested organizing volunteers to plant
frez [133]
I think this is a good plan. In this way, it would stop flooding in the future. Trees help absorb water with their roots. It can absorb at least 20% of the flood water. 

However, there are also factors that would affect the trees from growing healthily. Some of the trees would not receive the right amount of energy and sediments can possibly be mix with the good soil.

It is best that we examine why the flooding occurred. There could be other possible reasons for flooding. It can be pollution caused by people throwing their garbages anywhere.
4 0
2 years ago
The mechanical and chemical receptors that control digestive activity are located ________.
Firdavs [7]
The mechanical and chemical receptors that control digestive activity are located in the walls of the tract organs.
5 0
1 year ago
The major evolutionary episode corresponding most closely in time with the formation of pangaea was the _____.
Marizza181 [45]
The major evolutionary episode corresponding most closely in time with the formation of Pangaea was the Permian Extinctions.

The Permian Extinctions happened around 300 million years ago and lasted for around 15 million years. It eliminated over 95 percent of water life and 70 percent of species on land. It was one of the largest extinctions in the history of Earth.

4 0
2 years ago
According to the _____ law of thermodynamics, energy is never 100% efficient because _____. first; some of the energy disperses
denis23 [38]
According to the second law of thermodynamics, energy is never 100% efficient because some of the energy disperses as heat. 
5 0
1 year ago
Read 2 more answers
Gina is an ecologist, She is studying damage to tree bark in a forest. Initial research suggests that a new animal species that’
andrew11 [14]

Answer:

The correct answer would be option A.

Explanation:

Gina's model lacks many important factors about the particular study of damage to tree bark in the forest. This model does not explain the number of animals entering a particular area of forest.

This model does not tell, how much damage has been done. It also fails to tell what type of damage the tree has faced. It does not explain what type of bacteria evolved or carried by the animal.

Thus, the correct answer would be option A.

6 0
2 years ago
Other questions:
  • Skin and nerve cells have different appearances and characteristics from each other, although they contain the same DNA. Why? A.
    5·2 answers
  • Mutations can occur as a result of many factors, including ultraviolet light or environmental pollutants such as pesticides and
    8·2 answers
  • The formation of the fertilization envelope (slow-block to polyspermy) requires an increase in the availability of _____.
    7·1 answer
  • Japan is the leading producer of farm-raised shrimp, offering a lower price than Americans who farm or catch shrimp for a living
    8·1 answer
  • What causes fractures in the litosphere? Select one: a. Physical stress b. Exogenic processes c. Endogenic processes d. Tensiona
    7·2 answers
  • "interpret the diagram"
    5·1 answer
  • After mixing a heat-killed, phosphorescent strain of bacteria with a living nonphosphorescent strain, you discover that some of
    12·1 answer
  • In a sample of 2,400 people, 1,482 were found to have the dominant (taster) phenotype. Assuming that the population is in Hardy-
    15·1 answer
  • A researcher is evaluating the role of a growth factor during embryonic development. She notices that this factor functions in b
    13·1 answer
  • Which actions could be categorized in the “aerobic” section of the Venn diagram?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!