BIOLOGY HIGH SCHOOL

Which describes an interaction within the musculoskeletal system? When a muscle contracts, a bone will move.
When a bone contracts, a muscle will move.
When a tendon contracts, a ligament will move.
When a ligament contracts, a tendon will move.

Answers

Answer 1
Answer:

Answer: When a muscle contracts, a bone will move.

Explanation:

Musculoskeletal system is the system in which the muscles and the bones are connected with each and function in unity. The skeletal muscles are connected to the bones with the help of connective tissues like tendon and ligaments. The muscles when contract the bones show the contraction and the movement. This interaction facilitates the overall locomotion in organisms.

Answer 2
Answer: First one, the muscle is contracting

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HIGH SCHOOL

What weather factor is also a measurement of energy held within the air? A.Humidity
B.Pressure
C.Temperature
D.Wind

Answers

The answer is B - pressure
C. Temperature bcause it is the measure of the kinetic energy.
MIDDLE SCHOOL

Tigers and humans are both classified into which kingdom within the Eukaryota domain?

Answers

Mammalia is the group with all mammals.
Vertebrata is the group with all vertebrates.
HIGH SCHOOL

True or False: In most plats more than 90% of the water taken in through the roots is lost through transpiration

Answers

Answer: True

Transpiration is a process, in which water is lost by the plant. The water is lost through evaporation from the aerial parts like leaves, stems and flowers. The water is necessary for plant growth, but only small amount of water is required by the plants for growth and the rest 97-99% water is lost by transpiration.


MIDDLE SCHOOL

Which of the following describes research that would be considered basic science?​

Answers

Question: Which of the following describes research that would be considered basic science?

a. a farmer is trying to improve his crop yields by using a new kind of fertilizer.

b. a college student is curious about the growth of desert plants in the presence of excess amounts of water.

c. government officials are trying to prevent the spread of a new strain of influenza virus.

d. a doctor is trying to determine why a patient is feeling tired and sick.

Answer:

The correct answer for the question above is option A.  

Explanation:

A farmer is trying to improve his crop yields by using a new kind of fertilizer. It describes best the basic science research because it aims to make the the scientific theories better. Increased standard of living, health consciousness and competition in market demand quality products. The main objective of the farmer is to,  develop disease-resistance varieties. To develop superior varieties in terms of quantity and quality of yield. Improving productivity of field and forage crops. Ensuring sound use of natural resources, reducing soil erosion, and improving soil quality.

Answer:

The answer is actucally B. The one refering to the collage student

Explanation:

I got it wrong in  a p e x  at frist

MIDDLE SCHOOL

Scientists have changed the DNA of a type of cabbage so that it contains a tiny amount of poison from a scorpion’s tail. The poison in the cabbage kills caterpillars that try to eat it. This is an example of A) gene therapy.
B) selective breeding.
C) genetic engineering.
D) artificial selection.

Answers

Genetic Engineering. They are changing the genes of something (In this case, Cabbage) to help is survive its environment better.

this awnser is c)genetic engineerig

MIDDLE SCHOOL

______ polymers can be produced in large quantities at low cost.

Answers

Electrical products

Explanation - Polymers of electrical products can be produced in large quantities and low cost. This type of polymer are non-conductive in nature. However, they very high heat resistance property. Polymers for electrical products can mold itself in various shapes and sizes and also can reach very minute areas.

Polymers vary from one item to another. Polymers for commercial packaging is different from polymers of electrical products. Thus, polymers need to be chosen properly according to the use and its effectiveness.  

HIGH SCHOOL

Which statement distinguishes the light-dependent (L-D) reaction from the light-independent (L-IND) reaction? a. the L-D reaction occurs in the thylakoid membrane and the L-IND reaction occurs in the stroma
b. the L-D reaction occurs in the cytoplasm and the L-IND reaction occurs in the chloroplast
c. the L-D reaction occurs in the chloroplast and the L-IND reaction occurs in the mitochondria
d. the L-D reaction occurs in the stroma and the L-IND reaction occurs in the cytoplasm

Answers


The correct answer is  (a).

Both L-D and L-IND reactions take place in the chloroplast of the cell but in different parts or locations. L-D reactions take place in the chloroplast thylakoids while L-IND reactions take place in the chloroplast stroma.

Chloroplasts are chlorophyll- filled organelles mostly found in the leaves of green plants.  Chloroplasts are surrounded by a double membrane called the thykaloid membrane that forms long folds within the organelle. In electron micrographs, the thykaloid membranes look like stacked coins. Chlorophyll is located within the thykaloid membranes.

Between the thykaloid  membrane and the chloroplast membrane is a space. This space is what is called the stroma.




Answer:

its a

Explanation:

HIGH SCHOOL

State the difference between sugar in water and pebbles in water

Answers

Sugar on the water is homogeneous and pebbles in water is heterogenous
Sugar will dissolve, while pebbles will sink.
MIDDLE SCHOOL

What is the floor of an aquatic biome called

Answers

The floor of an aquatic biome is called the "Benthic Zone". 
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