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
Lera25 [3.4K]
3 years ago
6

Heart rate is best defined as:

Biology
2 answers:
Naya [18.7K]3 years ago
8 0

Answer:

Explanation:the number of times the heart beats within a certain time period, usually a minute

Andrei [34K]3 years ago
5 0
A heart rate is defined as the number of times the heart contracts in one minute.
You might be interested in
Identify the star that is the coolest.
Alisiya [41]

Answer:

A.

Explanation:

cool . . this that correct.

5 0
2 years ago
Biologists use ball-and-stick models to study complex molecules by representing atoms with balls and bonds with sticks. DNA is a
Vitek1552 [10]
Most models can't incorporate all the details of complex natural phenomena. For example, when measuring distances around the Earth it's convenient to model the Earth as a sphere, but this doesn't incorporate variations in distance because of mountain ranges, valleys and other topological features the traveler must traverse. Incorporating these additional details would make the model too complex for easy use. Since models must be simple enough that you can use them to make predictions, they often leave out some of the details.

ALSO.

The conformation of molecules are based on probability. It fails to take into account the electronegativity of individual atoms. And it is ineffective in showing inorganic interactions with metals and such.
4 0
4 years ago
Which enzyme(s) require(s) the addition of HCl for optimum activity?
KengaRu [80]
There are many answer you have to be specific
5 0
3 years ago
Which organelle stores water and helps to maintain the plant cell shape?
Evgen [1.6K]

Answer:

(D) H Vacuole

Explanation:

The vacuole is the organelle of the plant which contains water reserves of the plant and essential minerals required by the plant to grow. It also helps the plant to maintain its structure and provides rigidity

HOPE IT HELPS....

8 0
4 years ago
Read 2 more answers
Under what circumstances does membrane transport always require energy?
kondor19780726 [428]
It requires energy when a substance must travel against a concentration gradient through the membrane
8 0
3 years ago
Other questions:
  • A single strand of DNA helix consists of 100 nitrogenous base pairs. If 36 of the bases are adenine and 24 are cytosine, how man
    15·1 answer
  • 1. What elements make up carbohydrates?
    8·1 answer
  • During what phase of the moon does a lunar eclipse occur?
    10·1 answer
  • What is the definition of adhesion?
    12·1 answer
  • 2) O DNA e o RNA são os quais se formam a partir de Estes são constituídos por um ácido fosfórico, um açúcar e uma base nitrogen
    6·1 answer
  • if one parents blood type is AA and the other is Bb, is it possible for them to have a child with blood type O?
    15·1 answer
  • Which type of anatomical structure is the appendix
    6·1 answer
  • How many monosaccharide molecules are needed to form one Maltose molecule?
    9·2 answers
  • Explain how studying plant movement uncovers specific behaviors that may not have been attributed to plants.
    11·1 answer
  • In the process of _________________________________ one sperm fertilizes the egg, and the other fuses with 2 gametophyte nuclei
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!