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emmainna [20.7K]
3 years ago
15

The genetically programmed death of cells is called:

Biology
1 answer:
Dennis_Churaev [7]3 years ago
6 0

Answer:

Apoptosis :)

Explanation:

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Can you define these words?? Thanks!
padilas [110]

Answer:

<u>Cellulose</u> - It is described as a complex carbohydrate that forms the main constituent of the cell wall in most plants and is important in the manufacture of numerous products like pharmaceuticals, textiles, etc.

<u>Chlorophyll</u> - Any of a group of green pigments that are found in the chloroplasts of plants and in other photosynthetic organisms such as cyanobacteria.

<u>Chloroplast</u> - An organelle found in the cells of green plants and in photosynthetic algae, where photosynthesis takes place.  

<u>Bryophyte</u> - Any plant of the division Bryophyta, defined "sensu lato" to comprise the mosses, liverworts, and hornworts, and corresponding to all embryophytes that are not vascular plants.

<u>Pterophyte</u> - It is characterized as any fern(seedless plant) that is a division of Pteridophyta.

<u>Gymnosperm</u> - Any plant such as a conifer whose seeds are not enclosed in an ovary or those who don't bear seeds or fruits. Example; Cycads.

<u>Cone</u> - A cone-shaped flower head of various plants like banksias and proteas.

<u>Angiosperm</u> - Any flowering plant characterized by having ovules enclosed in an ovary and thus, produces fruits, as well as, seeds.

<u>Flower</u> - A reproductive structure in angiosperms and often conspicuously colorful and typically including sepals, petals, and either or both stamens and/or a pistil.

<u>Cuticle</u> - A noncellular protective covering outside the many invertebrates and plants.

<u>Vascular tissue</u> - The complex tissues that consist of various cell types and primarily responsible for transporting liquid and other nutrients throughout the plant or animal body.

<u>Xylem</u> - A vascular tissue in the land plants primarily responsible for the distribution of water and minerals that are taken up by the roots and also the key component of the wood.

<u>Phloem</u> - A vascular tissue in land plants primarily responsible for the distribution of sugars and the nutrients manufactured in the shoot.

<u>Roots</u> - The part of the plant which is generally underground that anchors and supports the plant body. It absorbs and stores water and nutrients, and in some plants is able to perform vegetative propagation.

<u>Root hairs</u> - The rhizoid of a vascular plant or a tabular outgrowth of a trichoblast, hair-forming cell on the epidermis of a plant root.

<u>Stems</u> - The above-ground stalk of a vascular plant that supports individual parts of a plant like leaves, flower, fruits, etc.

<u>Leaves</u> - The green and flat organ that represents the most prominent feature of the most vegetative plants.

<u>Photosynthesis</u> - The process by which plants and other photoautotrophs convert light energy into chemical energy. For example; Plants use air, water, along with sunlight to synthesize their food(carbohydrates and waste oxygen).

3 0
3 years ago
If element x has 73 protons, how many electrons does it have?
shutvik [7]
If the element has not become an ion yet, then there is 73 electrons.
Number of protons = number of electrons**
**only when the element has not form an anion or cation.
3 0
3 years ago
___ is the process the body uses to break down food
Kay [80]

Answer:

Digestion

Explanation:

Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream

7 0
3 years ago
Read 2 more answers
4. What is the genotype(s) of a person with type AB blood?
Ilya [14]

Answer:

A person with blood type AB as the genotype AB

Explanation:

A person with blood type A could have the genotype AA or AO. A person with blood type B could have the genotype BB or BO. A person with blood type AB as the genotype AB. And a person with blood type O has the genotype OO.

6 0
3 years ago
Two models of molecules are shown. Two models of molecules. One on left is made of one carbon and one oxygen atom. One on right
Reptile [31]

Answer/Explanation:

CO and CO2 are both carbon poisoning. They both are odorless, colorless, and potentially deadly. But the chemical difference(extra oxygen molecule) causes it to be a different substance. CO is carbon monoxide while CO2 is carbon dioxide. CO2 is common because it is what we exhale after a breath, it is used to keep plants alive. On the other hand CO is caused by gas emissions and lack of oxygen. They may sound the same but they are just two different molecules containing the same types of atoms.

4 0
3 years ago
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