Help Contact For teachers and institutes

Mock Tests Classes

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Prepare for an Exam
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

The four chains of adult haemoglobin, two of one kind… | StemPy Lab

Quizzes
The four chains of adult haemoglobin, two of one kind and two of another, pack into a single molecule. Which level of structure does this packing show?

BiologyMediumHigh School (11–12)Cell Biology › Biomolecules Board Exam AP A-Level IB

Created by StemPy Lab

The four chains of adult haemoglobin, two of one kind and two of another, pack into a single molecule. Which level of structure does this packing show?

← All Quizzes

← Which protein is the most abundant in the whole biosphere?Which polysaccharide is a chain of fructose units? →

More onCell Biology › Biomolecules

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

The rate of flow of material through a metabolic pathway is calledMedium
The living state of a cell is best described asMedium
Which molecule carries energy from the reactions that release it to the reactions that use it?Easy
Which of these is a catabolic pathway?Easy
The conversion of glucose to pyruvic acid takes place inMedium

All questions on this topic →

Problems on this topic

A student mixes glucose, enzymes and ATP in a sealed flask, the same chemicals that a cell uses…Medium
Pyruvic acid joins the pool of a muscle cell at 60 thousand molecules a minute…Medium
Four changes happen in cells. (i) Amino acids are joined into a protein…Easy
One molecule of glycerol joins three fatty acid molecules to make one fat, a triglyceride…Medium

All problems on this topic →