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yaroslaw [1]
3 years ago
7

Which type of blood cells help our bodies to fight infection?

Biology
2 answers:
geniusboy [140]3 years ago
5 0

Answer:

White blood cells

Explanation:

natta225 [31]3 years ago
5 0

Answer:

the ones with the girraff looking neck

Explanation:

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The weight of an object at the south pole is
Fynjy0 [20]
The same weight it would be anywhere else in the world.

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3 years ago
When the term biceps, triceps, or quadriceps forms part of a muscle's name, what does it tell you about the muscle? the muscle h
tekilochka [14]

Answer:

The muscle has two, three, or four origins, respectively.

Explanation

  • A muscle is an organ composed of muscle tissue that contract to facilitate a particular movement
  • biceps,triceps and quadriceps  are types of skeletal muscles since they use bones as levers
  • <em><u>They differ in that; the biceps have two origins, triceps have three origins and quadriceps have four origin.</u></em>
  • <em><u>Bicep is a two headed muscle thus said to have two origins ,triceps have three muscle heads and therefore have three separate origin attachment point while quadriceps are made of four muscles heads hence have four origins. </u></em>
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3 years ago
Regulatory proteins typically contain sites that can bind to other proteins or small molecules. Through such binding interaction
nasty-shy [4]

Answer:

Regulatory sites e.g enhancers and silencers

Explanation:

Gene expression involves the synthesis of gene products usually proteins and RNA. However, a certain product might not be needed at all or in small quantity. Gene regulation mechanism is the process that makes this happen. Gene regulation is the mechanism that acts to induce or repress the expression of a gene.

Gene regulation involves controlling the rate and manner of gene expression which is achieved through a set of regulatory proteins called transcription factors. Transcription factors bind to specific regulatory nucleotide sequences and help to turn "on or off" specific genes in the DNA.

Transcription factors can either be ACTIVATORS or REPRESSORS depending on whether they boost or inhibit gene expression. The binding sites for these regulatory proteins called TRANSCRIPTION factors are the regulatory nucleotide sequences on the DNA called enhancers and silencers.

4 0
3 years ago
Is it A) B) C) D) ? Some help please
Alex_Xolod [135]
C.) Thymine, Guanine Guanine and Cytosine

I hope this helps.
7 0
3 years ago
Many animals and plants carry out this type of reproduction
zalisa [80]

Answer:

Sexual reproduction involves the fusion of male and female gametes to form a zygote. The fusion of the nuclei of male and female gametes is known as fertilization. Asexual reproduction does not involve gametes, instead parts of a mature organism may develop to new individuals

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7 0
2 years ago
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