This topic contains a solution. Click here to go to the answer

Author Question: The porphyrin ring of heme contains an atom of (Read 27 times)

mmm

  • Hero Member
  • *****
  • Posts: 558

Question 1

A hemoglobin molecule is composed of
◦ just four protein chains and nothing else.
◦ four protein chains and four heme groups.
◦ just two protein chains.
◦ four heme groups but no protein.
◦ just three protein chains.

Question 2

The porphyrin ring of heme contains an atom of
◦ iron.
◦ sodium.
◦ calcium.
◦ magnesium.
◦ copper.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by mmm on Apr 11, 2021

kusterl

  • Sr. Member
  • ****
  • Posts: 315
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




mmm

  • Member
  • Posts: 558
Reply 2 on: Apr 11, 2021
Gracias!


epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

 

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

For a complete list of videos, visit our video library