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Jet001 [13]
2 years ago
14

Please help me with this it’s so hard

Biology
1 answer:
Deffense [45]2 years ago
5 0

Answer:

1: Frond's

2:Pistil

3:Gametes and spore's

4: photosynthesis

5: Spore

6:Stigma or ovule

7:Ovary

Hope this helps!

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Ter 9 Test
aliina [53]

Answer:

B, They absorb sunlight and distribute the energy as heat.

Add-on:

i hope this helped at all.

8 0
3 years ago
SIMPLE STAINING OF BACTERIA AND YEAST
grin007 [14]
For staining flagella of bacteria use actively motile organisms 20 to 24 hours old, allow to diffuse in sterile water 20 to 30 minutes, transfer droplets of the suspension to clean slides and let evaporate without spreading. Then treat 2 to 4 minutes with the following mordant: tannic acid 10 or 20%, 50 cc.; ferric chloride 5%, 10 to 15 cc.; carbol fuchsin (Ziehl-Nielson), 5 cc.; hydrogen peroxide 3%, 6 to 8 cc. Wash and stain 2 to 3 minutes with a mixture of basic fuchsin, saturated alcoholic, 10 cc.; anilin oil (1 part) and 95% alcohol (3 parts) mixed, 5 cc.; distilled water, 30 cc.; acetic acid, 4%, 1 cc. Wash thoroly with water.

6 0
3 years ago
Explain at least 2 ways cancer would affect different levels of organization
vampirchik [111]

Explanation:

Cancer cells do not contain the capacity to undergo

  • a regular cell cycle where they only undergo cell division in response to external signals within their environment, i.e. regulation.
  • differentiation into specialized cell types, with different physical  traits; together they can't form different tissues.

Multiple mutations in several protooncogenes and tumor suppressor genes are required to form cancer. Cancer-causing genes, or oncogenes, develop from protooncogenes which regulate normal cell division. They may undergo mutations that alter gene expression, disrupt cell regulation and lead to the transformation of normal cells into tumor cells- their resulting proteins are abnormal or not formed. Tumor suppressor genes, which can halt unregulated cell growth and division, may also become mutated.

Each individual inherits 2 copies of a gene from their parents- a single mutation in one of these does not directly lead to cancer. Multiple activated oncogenes, in turn produce damaged, non functional proteins and together contribute to forming cancers.

Further Explanation:

During the process of cell division, spontaneous changes within the genome can arise. These mutations are errors occur when copies of the DNA within the cell are made; mutations may range from small changes called single nucleotide polymorphisms, to large scale deletions, and additions which span multiple genes. There are two types:

  • somatic: these only occur within certain cells, and arise from environmental factors such as UV light
  • hereditary: occur within germ cells of the parent and later the fertilized egg which forms a zygote; these are present within all cells of the new organism.

Sequences of DNA make up genes which can have different forms called alleles. DNA, which makes up the genotype, is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins which make up the phenotype of an organism. Mutations in DNA sequences affect the corresponding mRNA and thus the protein encoded.

Learn more about mutations at brainly.com/question/4602376

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly  

4 0
3 years ago
If mitochondria were removed from a cell, what would the cells be incapable of doing
Ber [7]
The mitochondria are like the energy factories of each cell. Their job is to store and make energy, so when you remove them, the cell is unable to:

B. making energy.
7 0
3 years ago
Geologists know that wherever plate movement stores energy in the rock along faults
Naya [18.7K]
Becasue of seismagraghs they let us know when energy is changing
3 0
3 years ago
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