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UkoKoshka [18]
3 years ago
10

Nancy designs lenses for cameras and binoculars. Which branch of science

Biology
1 answer:
Salsk061 [2.6K]3 years ago
8 0

Physical science deals with lens for cameras and binoculars.

Explanation:

Physical science is a branch of science that deals with the study of intimate natural objects such as it includes physics, astronomy and chemistry related subjects.

A lens is a transparent material that refracts light rays so that image can be formed. A lens has two curved surface which are made up of plastic or glasses which are concave and convex in nature.  A converging lens is used to produce images.

Thus Nancy is dealing with physical science as she designs lens for binoculars and cameras.

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What negative affects do humans have on the earths oceans
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Answer:

many

pollution by dumping chemical that are harmful to the animals

littering by plastic

accidentally introducing invasive species

over fishing

it lowers the biodiversity of the aquatic ecosystems living there

Explanation:

7 0
3 years ago
Li-Fraumeni syndrome (LFS1) is a rare hereditary disorder that leads to a predisposition to cancer. This hereditary disorder is
Nimfa-mama [501]

Answer:

CHK2, p53, p21, cell cycle progression.

Explanation:

In a normal cell with no LFS mutation, during the G1 stage of cell cycle progression, the CHK2 activates if there is damage in the DNA. CHK2 activates p53, which is a tumor suppressor protein that will hold the cell cycle in G1/S until the DNA is repaired. The p53 protein activates p21, a protein that binds to CDK2 and stops the cell cycle. The cell cycle will continue once the damage is repaired.      

3 0
3 years ago
At the conclusion of a unit about reliable source material and contemporary journalism, a teacher asks her students to write two
denis23 [38]

Answer:

Analyze

Explanation:

Bloom's Taxonomy is a method of classifying learning from complex to specific. Mostly represented as a pyramid from bottom to top is remember, understand, apply, analyze, evaluate and create.

For this example of a "fake news" story the tier of "Analyze" is applicable since it will require the use of judgement, and comparing and contrasting as well as discernment skills.

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3 years ago
Complete the following vocabulary exercise related to the process of translation of mRNA to protein by the ribosome.Match the wo
vredina [299]

1. The RNA that has an amino acid attached to it, and that binds to the codon on the mRNA, is called a tRNA.

tRNA are molecules involved in protein synthesis (translation) and those molecules connect codons from mRNA with  the amino acids they encode.tRNA has anticodone that binds to mRNA codone.

2. The process, performed by the ribosome, of reading mRNA and synthesizing a protein is called translation.

Translation is a process of gene expression in which proteins are synthesized (translated from the codons on mRNA).

3. Initiation of translation always happens at the start codon of the mRNA.

Translation process can be divided into three stages: initiation (starting off), elongation (adding amino acids to peptide chain that is going to become protein) and termination (finishing up).

4. Amino acids are attached to tRNA by enzymes called aminoacyl-tRNA synthetase.

These enzymes are part of the elongation stage of translation and they catalyze the adding of amino acids.

5. Termination of translation happens when the ribosome hits a stop codon on the mRNA.

Termination is the stage in which the finished polypeptide chain (future protein) is released from the ribosome.

5 0
3 years ago
Read 2 more answers
An example of a(n) is the brain, spinal cord, and nerves working together.
adelina 88 [10]

Answer:

system

Explanation:

An example of an organ system is the brain, spinal cord, and nerves working together.

<em>A system is a level of organization in living organisms in which body organs work together to perform similar functions. The organ system represents the highest level of body organization as opposed to organ, tissue, and cell level of organization.</em>

The cell is the smallest unit of organization of the body of living organisms. At the tissue level, cells aggregate together to perform similar functions while at the organ level, similar tissues come together to perform somewhat similar roles in the body of organisms.

<u>The brain, spinal cord, and nerves each represent an organ. When these work together in the body of organisms, the level of organization is described as organ systems or simply systems. </u>

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3 years ago
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