The four main types of macromolecules found in organisms are proteins, lipids, carbohydrates and ____.
a. monosaccharides
b. nucleic acids
c. fatty acids
d. starches

Answer:

b. nucleic acids

Explanation:

Water is a(n)__molecule because it has a positive end and a negative
end (like a magnet).

The human body is organized into systems that carry out all functions by working together. Which activity in the
body MOST closely describes a relationship between the skeletal system and the muscular system?
the skeletal system provides the body with structure so the muscular system can move it
the skeletal system gives the muscles something to grab
the muscular system provides blood to the bones of the skeletal system
the muscular system protects the bones of the body

PLSSSS HELPPP!! What is one way that bacteria is essential to the cycling of nitrogen in an ecosystem, helping to maintain the overall health of the ecosystem? *

They release oxygen for plants to use during photosynthesis.
They fix nitrogen into a usable form for plants and animals.
They produce ammonia and nitrites for respiration.
They assimilate carbon dioxide into the soil for plants.

Ferns do not have cones or fruit, instead they have ________________.
A)Spores
B)Seeds
C)Pollen
D)Zygotes

Which unit of mass would you use to measure a granule of sugar?
O A. Liters
O B. Milligrams
O C. Meters
O D. Kilograms

What is an example of grow and develop?

PLZ HELP!! What is the relationship between an
electromagnet, a magnet, and the Earth?

Why does papaya and corn use cross pollination​

Scientists often use classification systems in order to
1.
extend their powers of observation
2.
organize their observations in a meaningful way
3.
make direct comparisons with standard units of measurement
4.
make more accurate interpretations

Which line (Red without enzyme or Blue with
enzyme) has a higher activation energy?


Which line (Red without enzyme or Blue with
enzyme) has a lower activation energy?
Reaction

These are normal memories that you're currently not thinking about.

The diagram compares ecosystems near the Sonoran and Chihuahuan Deserts. Which does the diagram show?

A. Amount of rainfall decreses with elevation?

B. Plant height increases with elevation.

C. Number of cacti increases with elevation.

D. Soil fertility increases with elevation.​

How does the Chalcogen group react with the Alkali Earth Metals?

Help Please answer only if you know it’s correct

Explain how the jet stream works.

What do write down for this?

What do eukaryotic cells have that prokaryotic cells do not?
A.) Cytoplasm
B.) Membrane-enclosed organelles
C.) Cell membranes
D.) DNA

can someone help me with this please!! :(

Can bacteria do cellular respiration?

Liver tissue is a combination of many types of cells. In addition to other tissues, it contains connective tissue and epithelial tissue

Which type of tissue responds to stimuli and transmits impulses

1. Which of the following are examples of tension *

Which type of cloud resembles a puffy cotton ball?

Cells are the basic unit of structure and function in living things. true or false?​

A student wants to create a liquid volcano. The student observes bubbles in the soft drink prior to opening it. The student first proceeds to open the soft drink bottle and place it on the floor. Next the student drops candy tablets into the drink using a rolled piece of paper, so that the tablets are able to fall into the drink continuously. The student notices a very powerful reaction as the drink fizzes and starts to bubble. In this scenario, what would be the catalyst ? The candy tablets being added to the drink. O The gasses being released when the drink was first opened. O The piece of paper being placed over the soft drink. The container that holds the liquid.​

Is wind a non living thing or is it living? (It’s for science)

In what organelle would this substance be found

Metal
Density
(g/cm3)
Aluminum
2.70
Zinc
7.13
Iron
7.87
Copper
8.96
6. Use the table above to
determine the identity
of a substance with a
mass of 108 g and a
volume of 40 cm?
SC.8.P.8.3

1. Glaciers are melting at an alarming rate. As they melt, rock is exposed. What process will follow?
A. Primary Succession
B. Secondary Succession

2. A hurricane hits the gulf coast destroyed a portion of the ecosystem. what process will take place following this event?
A. Primary Succession
B. Secondary Succession

3. A volcanic eruption covers an area with lava,which cools to form rock. what process would need to take place?
A. Primary Succession
B. Secondary Succession

help me please help me please​

Which statement is false about minerals? *
10 points
All minerals are solid
O All minerals are organic
All minerals are naturally occurring
All minerals have a specific atomic structure
Which statement best describes streak? *
10 points