Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Foundations In Biology > Chapter 3. Biological Elements > Flashcards

Chapter 3. Biological Elements Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

How many bonds can carbon atoms form with other atoms?

A

Four

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How many bonds can nitrogen atoms form with other atoms?

A

Three

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How many bonds can oxygen form with other atoms?

A

Two

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How many bonds can hydrogen form with other atoms?

A

One

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are calcium ions essential for?

A

Nerve impulse transmission and muscle contraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are sodium ions essential for?

A

Nerve impulse transmission and kidney function

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are potassium ions essential for?

A

Nerve impulse transmission and stomatal opening

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are hydrogen ions essential for?

A

Catalysis of reactions and pH determination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are ammonium ions essential for?

A

Production of nitrate ions by bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are nitrate ions essential for?

A

Nitrogen supply to plants for amino acids and protein formation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are hydrogen carbonate ions essential for?

A

Maintenance of blood pH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are chloride ions essential for?

A

Balancing positive charge of sodium and potassium ions in cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are phosphate ions essential for?

A

Cell membrane formation, nucleic acid and ATP formation and also bone formation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are hydroxide ions essential for?

A

Catalysis of reactions and pH determination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What elements do carbohydrates contain?

A

Carbon, Hydrogen and Oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What elements do lipids contain?

A

Carbon, Hydrogen and Oxygen

17
Q

What elements do proteins contain?

A

Carbon, Hydrogen, Oxygen, Nitrogen and Sulfur

18
Q

What elements do nucleic acids contain?

A

Carbon, Hydrogen, Oxygen, Nitrogen and Phosphorus

19
Q

Do hydrogen and oxygen share electrons equally within their covalent bond?

A

No, oxygen has a greater share of electrons

20
Q

Does water have a high boiling point?

A

Yes

21
Q

What is different about water from carbon dioxide and oxygen?

A

it is liquid at room temperature because of the hydrogen bonding between water molecules

Foundations In Biology (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions