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
Wittaler [7]
3 years ago
9

What causes a star to shine brightly?

Biology
2 answers:
bogdanovich [222]3 years ago
5 0

Answer:

d

Explanation:

Neporo4naja [7]3 years ago
4 0
The types of elements that are present
You might be interested in
Before exploring energy balance and its effect on weight, you must first be able to use the vocabulary effectively.
valkas [14]

Answer:

1. When the number of calories a person consumes is equal to the number of calories he or she burns in a day, that person's body is in Energy Balance.

2. Someone who is in Positive Energy Balance eats more calories in a day than he or she bums.

3. Negative Energy Balance occurs when the number of calories a person bums in a day is greater than the amount he or she consumes.

4. Weight management involves applying strategies that allow someone to keep his or her body weight within a healthy.

5. The Basal metabolic rate is the amount of energy uses in order to perform its basic physiological functions.

6. The Thermic effect of food refers to the number of calories burned in order to digest absorb, metabolze, and store food.

7. The Lean body mass refers to his or her total body - fat mass.

Explanation:

This group of statements are related to body weight, the balance between the energy we consume through food and all the energy we burn through excercise and different activities, such as only mantaining our body temperature and normal processes.

3 0
4 years ago
The coat of the t2 virus consists of what kind of macromolecules? see section 15.1 ( page 318) . the coat of the t2 virus consis
Karolina [17]
<span>The correct answer is protein.</span>  
<span>
T2 virus is also known as Enterobacteria phage T2. This virus is a bacteriophage, which means that infects and kills E. coli. It consists of DNA and protein: the genome is linear double-stranded DNA, with repeats at either end and the protective coat is protein.</span>
4 0
4 years ago
g Describe the structure of Hemoglobin. Does the binding of oxygen involve the direct interaction with the polypeptide chain
Scorpion4ik [409]

Answer:

Hemoglobin is an iron-containing protein present in the blood that functions for transportation of oxygen to different body cells..

Each hemoglobin molecule have tetrahedral structure consist of four heme groups surrounded by a globin group. Heme, is composed of porphyrin (ringlike organic structure) which is attched to an iron atom. There are four iron atoms in each molecule of hemoglobin that binds with four oxygen atoms and globin carry two linked pair of polypeptide chain.

The oxygen reversibly binds with the polypeptide chain and the process called oxygenation.

7 0
3 years ago
Characteristics of life present in virsues​
marta [7]

What are the answer choices?

8 0
3 years ago
Where does the signal go when the body detects a life I threatening change
aev [14]
Flight or fight response 
7 0
4 years ago
Other questions:
  • Why do you think some flora and funna get extinct from the earth ​
    8·1 answer
  • What type of functional area of the cerebral cortex would be responsible for sending impulses that control skeletal muses?
    6·1 answer
  • Living plants may be valuable additions to science classrooms. Which is the most important safety consideration when planning to
    7·1 answer
  • Good guys finish last.
    11·1 answer
  • The kind of bond that lipids won’t form with water is a _ _ _ _ _ _ _ _ bond.
    9·1 answer
  • Help me guyzzzz!!!!!!!!
    14·1 answer
  • How does gravity cause plates to move?<br> Explain
    8·2 answers
  • What is Clubfoot and how you get it?
    5·1 answer
  • Which enzyme is used to break down bacteria, yeast, and other microorganisms?
    11·1 answer
  • In what part of a chloroplast does the Calvin cycle occur?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!