BIOLOGY HIGH SCHOOL

A student is examining leaf cells. Which organelle is most likely to be missing from the cells?

Answers

Answer 1
Answer:

The organelle which is most likely to be missing from leaf cells is Lysosomes.

Lysosomes are an important organelle for eukaryotic animal cells as they contain the digestive enzymes. The macromolecules or foreign matter which are harmful for the cells enter the animal cells easily but not the plant cells as the plant cells contain cell walls.  Phagocytosis or digestion of macromolecules is not much needed in plant cells so a lysosome can be missing from the leaf cell.
Answer 2
Answer: A cell is the most basic form oflife. It is what most of the organisms are made off. For the organism tofunction, the cell must also function. It has organelles too that helpsfunctions what the microorganisms need. A leaf cell contains chloroplasts thatanimal cells and other cells do not have.  The chloroplast is where the photosynthesishappens. It needs sunlight for the process of photosynthesis. Notice that theleaf has a broader surface area to enable them to be exposed to the sun.

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How are gene pairs written out?

Answers

Answer:

Gene pairs are written out by writing a combination of two capital or lowercase letters.

Explanation:

Articulations permitting only slight degrees of movement are _____, whereas articulations permitting no movement are called _____.

Answers

The study of crops is called agriculture. There are different types of joints in the human body and these are pivot joint, articulate joint.

The correct answer is mentioned below.

What are joints?

  • Joints are where two bones meet. They make the skeleton flexible without them, the movement would be impossible. Joints allow our bodies to move in many ways.

The Articulations or the joints are the structures, where two bones are joined together. In our body there are three types of articulations:

1. Synarthrosis - The articulations, which do not permit any kind of movements.

2. Amphiarthrosis - The articulations, which permit a slight movement, generally in a particular direction.

3. Diarthrosis or synovial joint - The articulations, which permit free movement.

Hence, Articulations permitting only slight degrees of movement are Amphiarthrosis, whereas articulations permitting no movement are called Synarthrosis.

For more information about the joints, refer to the link:-

brainly.com/question/1388366

The Articulations or the joints are the structures, where two bones are joined together. In our body there are three types of articulations:

1. Synarthrosis - The articulations, which do not permit any kind of movements.

2. Amphiarthrosis - The articulations, which permit a slight movement, generally in a particular direction.

3. Diarthrosis or synovial joint - The articulations, which permit free movement.

Hence, Articulations permitting only slight degrees of movement are Amphiarthrosis , whereas articulations permitting no movement are called Synarthrosis.

The cells of plants and animals are similar, except for a few different structures. Which structures are only found in plant cells?

Answers

 The cells of plantsand animals are similar expect for a few different structures like the shape ofthe cells and cell wall. They differ in cell shape since animal cells are roundedand it has irregular shape while plant cells have fixed shape which isrectangular. Another structure is a cell wall. Animal cells don’t have cell wallwhile plant cells have. Plant cell wall is a structure surrounding the cellthat provides a number of functions such as strength to support the plant, Flexibility,Water-proofing, Barrier to pests, Protection against environmental stress, signalingand sensing.            
Structures that only plant cells have is a cell wall. 

The part of Earth that supports life is a(n) ____.biome
ecosystem
biosphere
organism

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The part of Earth that supports life is a biosphere.
the part of Earth that supports life is called as the earth's Crust .

Tetracarbon Hexahyride is a ionic or a covalent bond

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Tetracarbon Hexahyride is built using covalent bonds
Tetracarbon Hexahydride is a covalent bond. Covalent compounds are made up of a nonmetal and nonmetal. Their bonding involves the sharing of valence electrons that we do not need to consider the charge. We simply use prefixes like mono, di, tri.

Tetracarbon Hexahydride: Tetra: 4, Hexa: 6

I hope it helps, Regards.

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how do organisms with many cell types develop from a single cell

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Answer:

A multicellular organism develops from a single cell (the zygote) into a collection of many different cell types, organized into tissues and organs.During development, cells use both intrinsic, or inherited, information and extrinsic signals from neighbors to "decide on" their behavior and identity.
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