Log in
Biology
2
answers
0
watching
55
views
31 Mar 2018

Biomolecules have as their principle element ____________ whichcan form up to ___________ covalent bonds.

2 choices

A. nitrogen

B. 3

C.carbon

D.4

Watch
2
answers
0
watching
55
views

For unlimited access to Homework Help, a Homework+ subscription is required.

28 Sep 2023

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share
Already have an account? Log in
Share

Related textbook solutions

Molecular Cell Biology
8 Edition,
Lodish
ISBN: 9781464183393
Biology: Science for Life with Physiology
6 Edition,
Belk
ISBN: 9780134555430
Biology
2nd Edition, 2013
Openstax
ISBN: 9781947172517
Concepts of Biology
OER Edition,
Openstax
ISBN: 9781938168116
Essentials of Biology
5 Edition,
Mader
ISBN: 9781259660269

Related questions

1. Lipid molecules (fats) are used as energy storage in many animals. These molecules have many non-polar covalent bonds (C – C and C – H bonds… making these molecules hydrophobic).

What feature of these bonds makes lipids a good source of energy for cells? (2 points)

..............................................

2. Calories are a unit of energy. A gram of fat has 9 calories, so we get a lot of energy from fatty foods. Delicious! A gram of protein only has 4 calories. A gram of sugar also only has 4 calories. When breaking apart the bonds of these different biomolecules, why do we get fewer calories from proteins and carbohydrates than from fats (Hint, look at your answer for #1; 2 points)

14. Based on the octet rule you would expect a carbon atom to make _____ covalent bonds while an oxygen atom would make ______covalent bonds. Fill in the blanks with the answer choices that correctly complete the sentence. a) 4 ; 2 b) 2 ; 4 c) 2 ; 2 d) 4 ; 3 e) 8 ; 8

Why is carbon such a versatile and abundant atom in living systems? Select all correct answers (more than one may apply)

A. There is a lot of carbon available in the earth's crust

B.Carbon has a full valence electron shell and hence is chemically stable

C. Carbon can form up to four covalent bonds with other atoms

D. Carbon can make many kinds of molecules - it can form long chains with other carbon atoms as well as atoms of other elements

E. Carbon can form quadruple covalent bonds with itself

Weekly leaderboard

Home
Homework Help 3,900,000
Biology 460,000
Start filling in the gaps now
Log in