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Mariana [72]
3 years ago
10

Where are barbules and pinnae connected to the feathers of birds?

Biology
1 answer:
Firdavs [7]3 years ago
3 0
What is barbules and pinnae?
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Which of the following does NOT describe the macronucleus of a paramecium?
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The answer is letter D. The macronucleus is not exchanged during conjugation. <span>It normally contains the working duplicates/copies of genes necessary to support an enormous cell. Macronucleus is formed by a direct division of the polyploid nucleus right after conjugation then followed by series of internal gene replication that is not oftenly occurring in micronucleuse.</span>
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A new screening test for Lyme disease is developed for use in the general population. The sensitivity and specificity of the new
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The predictive value of a positive test is:

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What are the roles of fungi? Check all that apply.
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um im not sure

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Give an example of each kingdom; provide the following things: cell type, cell structure, (anything unique in the cell wall, chl
nataly862011 [7]
Plantae: Autotrophic, Multi- or Monocellular, have cell walls as well as a membrane, have a chloroplast making the characteristic green color and to capture sunlight for photosynthesis. Break down generated glucose into it's components.

Animalia: Heterotrophic, Multi- or Monocellular, have a cell membrane made of a phospholipid bilayer, and many mitochondria to aid with movement energy. Feed on plants or other animals. Eukaryotic cells.

Fungi: Heterotrophic, most Multicellular, have a rigid cell wall made of chitin, specialized cells to aid with decomposition of dead organic matter. Eukaryotic cells.

Protista: Can be plant-like, animal-like, or fungus-like. Most are single-celled, may be chemosynthetic or photosynthetic. Eukaryotic cells.

Archeabacteria: Prokaryotic. Do not have nuclei or membrane-bound organelles. Move around using a flagellum to propel itself. Lives in mainly fluid environments (air, water). Separated from Eubacteria due to it's high tolerance of extreme conditions, such as high salinity, no oxygen, burning heat, or freezing cold. Can be chemosynthetic or anaerobic, as well as aerobic.

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7 0
3 years ago
Which best compares and contrasts red blood cells and white blood cells?
Jet001 [13]

Answer:

The correct answer is both are produced in red bone marrow.red blood cells transport oxygen while white blood cells protect the body against disease.

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Red blood cells or RBC contain hemoglobin protein that helps in the transport of oxygen and carbon dioxide to and from our body.

   Where as white blood cells provide defence to our body against various invaded pathogens.There are many types of White blood cells such as eosinophyll, basophyll,neutrophyll,monocyte and lymphocyte.

  Both RBC and WBC are generated from red bone marrow.

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3 years ago
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