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antiseptic1488 [7]
3 years ago
10

What is a physical or mental representation of an object or an event

Biology
1 answer:
jeka943 years ago
4 0
Physical is something you can have/ hold and mental is something in ur head that you can't see or hold.

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What is the effect of sickle-cell anemia?
belka [17]

Answer: Option C.

Inefficient oxygen transportation.

Explanation:

Sickle cell anaemia is an inheritable condition in which the red blood cells cannot carry oxygen to the organs or whole body because the red blood cells shape has been distorted and is sickle in shape. In this condition there is not enough red blood cells to carry oxygen in the blood.

Red blood cells function to transport oxygen in the blood because of the haemoglobin molecule present in them.

This can damage the organs nerves,lungs, livers spleen e.t.c

7 0
3 years ago
Determine the nature of the expression of the lacZYA genes, represented by L, and label each genotype as constitutive, inducible
VladimirAG [237]

Answer:

Explanation:

Symbol          Representation

I-                     laci mutant cannot bind to the operator

Is                    laci mutant always bind to the operator

OC                 Operator mutant that prevent repressors binding

F’                    the wild type operator, O+, and laci gene on a plasmid

L                     lacZYA genes

I+ O+ L+   Inducible

I+ OC L+   Constitutive

I+ OC L+, F’   Constitutive

I- O+ L+, F’   Inducible

Is O+ L+    no transcription

Is O+ L+, F’   no transcription

3 0
3 years ago
Cell stores ____ in lipids to use later
Arte-miy333 [17]

Answer:

VACUOLES

Explanation:

5 0
3 years ago
PLZ HELP WITH SCIENCE WORK Don't give me a link Plz JUST ANSWER
Pie

Answer:

The US elections of 1860, one year before the civil war.

Explanation:

Letter to the editor,

Dear sir,

Never before in the history of this once proud and united country have elections divided this country in two. As the Democratic Party´s disagreement over the oficial party policy on slavery very clearly shows (with a Southern Democratic candidate and a 'normal' Democratic one), the deeply felt ideological split between the Northern and the Southern States has now, although Abraham Lincoln is chosen as the President, become a fact. This means that we, the United States of America, are no longer United.

5 0
3 years ago
Describe how Stella’s view of these plant cells and their parts changed as she transitioned through the three levels of magnific
mafiozo [28]

Answer:

The three different views show different level of magnification.

Explanation:

At the first level the structure of plant cell is not clear however upon more magification the view is clarified and the upper epidermis and the lower epidermis are both visible in the third view which is the most magnified. The parts of leaf cell are visible the most evident of them is the epidermis which protects the outside of the cell and also Palisade Mesophyll is visible which helps in photosynthesis.

3 0
3 years ago
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