1answer.
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
garri49 [273]
3 years ago
7

A scientist wishes to determine the effect of a digestive enzyme on starch digestion (starch is broken down into glucose). The e

xperimental setup is to mix the enzyme with starch in a test tube, stop the reaction after a known period of time, and then measure the amount of glucose produced.
Which of the following is the correct experimental control?
Biology
1 answer:
Sladkaya [172]3 years ago
4 0

Answer:

An identical setup but replacing the enzyme with an equal volume of water

Explanation:

When carrying out any experiment, it is important to set out a control in order to increase the reliability of the data and results.

The control minimizes the effects of variables other than the independent variable.

In the above experiment, starch has to be eliminated and replaced with water. Water does not have starch hence the digestive enzyme being tested will not have any effects making the data and results from the experimental group reliable.

You might be interested in
Protein is:_________.
marysya [2.9K]

Answer:

c. made up of 20 different amino acids.

Explanation:

Protein are macromolecules which have long chains of amino acids and they are used in the production of enzymes and aids metabolic activities of the body such as in the repair of worn out tissues and building up of muscle mass.

Protein is unique as it contains about 20 different amino acids. Carbohydrates also have Oxygen present in their compound. Calcium is the mineral responsible for building up of bones and teeth.

5 0
3 years ago
How did the term "planet" originate with the Greeks
Snowcat [4.5K]

Answer:

Five planets — Mercury, Venus, Mars, Jupiter, and Saturn were known to the ancients. ... However, the planets moved relative to the stars. For this reason they were called wandering stars. Our word "planet" comes from the Greek word planetes, meaning "wanderer

Explanation:

6 0
3 years ago
Read 2 more answers
The Skilled Nursing Facility Prospective Payment System (SNF PPS) was implemented to cover all costs (routine, ancillary, and ca
Lisa [10]

Answer:

How are you today just wondering sorry..

Explanation:

i'm just going around making sure everyone has a blessed day!

7 0
3 years ago
. The negative charges of one water molecule is attracted to the positive in another, causing them to flock together. This prope
lutik1710 [3]

Answer:

Cohesion

Explanation:

The negative and positive sides of water molecules are attracted to each other and cause water to be attracted together and stick together.

This is called cohesion, when molecules of the same type stick together.

3 0
3 years ago
Vertebrate immune responses involve communication over short and long distances. Which of the following statements best helps ex
KonstantinChe [14]

Answer:

The proteins receive electrical signals from nerve cells.

Explanation:

6 0
3 years ago
Other questions:
  • HELP ASAP!!!
    8·2 answers
  • What were windmills originally used for?
    15·1 answer
  • C4 plants are thought to be more efficient than c3 plants because they
    15·2 answers
  • Which resources would have two different flea species in the same forest compete with each other for A.prey B.mates C.space D.ho
    15·2 answers
  • I need help with this Punnett square Practice
    9·1 answer
  • What would be the tempeture of a pot of water if you continued heated it for 10 minutes after it had already started boiling?
    10·1 answer
  • What is the relationship between the Golgi apparatus and the plasma membrane?
    7·1 answer
  • Name the type of cell division that takes place in the zygote of an organism exhibiting haplontic life cycle​
    15·2 answers
  • I need help to get the right question because i got it wrong
    7·1 answer
  • Scientists employ various techniques to detect if a fault is active. Which item isn't covered? a. Scientists examined the countr
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!