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6 / 21  Identical copies of chromatin held together by cohesin at the centromere are called _____.
A  histones.
B  nucleosomes.
C  chromatin.
D  sister chromatids.

Questions & Answers

biology introduction
Khab Reply
state the main functions of the leaf
kalisto Reply
what is the similarity between meiosis and mitosis
kalisto
Regulation of blood sugar level
Kyara Reply
Describes larmack theory
Mayiik Reply
Mention five modes of nutrition in ecology
Mayiik
Saprophytic
Evans
what is biology
Imisi Reply
Biology is the study of life
Aisha
Yea
Mayiik
what is insulin and where is it found in the body
Cecilia Reply
An illustration of the negative feedback mechanism in homeostasis
Cecilia
How we know
Nhial
That is not the meaning
Mayiik
what are chromosomes
Ibrahim
factor that affect the diffusion of substance
Nwafor Reply
Explain the specialized functions of the organs involved in processing food in the body
Brah Reply
none
Emmanuel
Processing food involves ingestion eating, digestion mechanical and enzymatic breakdown of large molecules, absorption cellular uptake of nutrients, and elimination removal of undigested waste as feces. Many organs work together to digest food and absorb nutrients.
Timileyin
biology is the study of life
Evelyn Reply
introduction of biology
Alison Reply
what is biology
Alison
biology is the scientific study of life
Gloria
Biology is the study of science. living and non living things in our environment. that's biotics and abiotic components of life.
Oluwadare
what are limit factors of photosynthesis
Mpolokeng Reply
what are limit factors of photosynthesis
Friday
Light intensity Carbon dioxide Temperature
Timileyin
what is virus
Chidimmma
virus are said to be microscopic organisms that can't be seen with naked eyes. but With the aid of electron microscope.
Oluwadare
are they unicellular or multicellular
Samkelo
sunlight.. water Carbon dioxide glucose
Oluwadare
what is a cell
Veronica Reply
are building blocks of the body
Mercy
cell is a smalles unit of life
Joeflexy
Cell is the basic ,structural and functional unit of life
ANGELINA
cell is the microscopic unit makes up an organ
Lance
Cell is the basic, structural and functional unit of life.
Esther
why do phosphate group attaches to the protein?
Abel Reply
what are enzymes?
Reiah Reply
enzymes are chemical substances that speed up the rate of chemical reactions
Favour
yes it is still available
hashim
This are chemical compound that speed up the digestion of food
Mayiik
these are chemical substances that speed up the rate of reactions and remain the same at the end of the reaction
kalisto
why don't we have humans clones?
Mvelo Reply

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Source:  OpenStax, Biology. OpenStax CNX. Feb 29, 2016 Download for free at http://cnx.org/content/col11448/1.10
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