BIOLOGY MIDDLE SCHOOL

5. How do enzymes found in your saliva aid in digestion?A. They provide energy to initiate the chemical reactions involved in digestion
B. They decrease the rate of the chemical reactions involved in digestion
C. They increase the rate of the chemical reactions involved in digestion
D. They aid in the process of moving food more quickly to the stomach
E. They are consumed as part of the chemical reactions involved with digestion

Answers

Answer 1
Answer:

Answer:

the answer is C) They increase the rate of the chemical reactions involved in digestion

Explanation:

The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Thus, digestion of food occurs within the mouth, even before food reaches the stomach.
Answer 2
Answer:

Answer: (c)

Explanation: they melt down the food chemicals into a not very pretty clump of siliava and chewed up food which is not slowing down, it is speeding up.

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How do the muscles in the human body help with movement? A.
They squeeze the bones.

B.
They cause bones to bend.

C.
They push bones apart through ligaments.

D.
Muscles contract and thus pull on bones to cause movement.


my guess is d ps idk what subject this is

Answers

Your guess is correct it is D. I know because I like to read about the human body, it's very interesting to me how it works. Here's some advice, never second guess yourself, because it happened to me before. :) Hope I helped!

- Amber

Your answer is D. Muscles contract and thus pull on bones to cause movement.

If your lac operon looked like the image below, which of the following can you infer?You had cereal and milk for breakfast.
Your lac operon is expressed.
You have not consumed lactose from dairy recently,
None of the above.

Answers

Answer:

You have not consumed lactose from dairy recently

Explanation:

According to the diagram, there is a represssor element in the regulatory region of the operon. This repressor is blocking the RNA polymerase, that is bound to its promoter region upstream of the genes, from transcription. The repressor is mostly the lac repressor that switches of the operon in the absence of lactose.

An object is accelerating if there is a change in speed and/or ________.A. Time

B. Position

C. Direction

D. Displacement

10 Points to answers correct first.

Future Thank you for help! <3

Answers

the answer is direction

What is the definition of consumers in science

Answers

A heterotrophic organism that feeds on other organisms in a food chain. Herbivores that feed on green plants and detritivores that feed on decaying matter are called primary consumers.

A ----- is a simplified representation of a real object or system.

Answers

Answer:

Model

Explanation:

  • A representation of a real object or system in its physics, conceptual or structural form is called the model of that object or system.
  • A model only represents an object or system but is not the object/system itself.
  • An example of the model of a system can be a model representing the water cycle which symbolically explains the systemic process and an example of a model of an object can be a globe which is a representative of the earth.
  • The model tries to simplify our understanding of the given object/system and hence there is a little deviation from the real object/system.
  • The purpose of the model is usually to provide basic knowledge regarding that particular object/system by giving a simpler representation.
Models are simplified representations of a real object or system.

What did Robert Hooke create and what impacts did he make on the cell theory?!

Answers

Answer:

He named the "cell", the "cell" because they reminded him of the bare wall rooms where monks lived. These rooms were called cells.

Explanation:
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