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nevsk [136]
4 years ago
11

Scientists can identify cells by categorizing the different features of a cell by noting down the shape, color, and other physic

al features. This aspect of science is known as_________ Observation Inference Hypothesis Controlled Experiment
Biology
1 answer:
Vadim26 [7]4 years ago
4 0

Answer:

Observation

Explanation:

The aspect of science that has to do with the recording of color, shape, and other physical features in order to identify a cell would be <u>observation.</u>

<em>Observation in science is the collection of data via perception or through the use of scientific instruments. Perception generally involves the use of human senses such as sight, touch, taste, and hearing to collect data in order to arrive at a conclusion. </em>

<u>The color, shape, and other physical features of a cell requires a perception of sight. Hence, it involves observation.</u>

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Determine the mass number of an atom if the given the number of protons and neutrons
REY [17]

Answer:

Add them!

Explanation:

The mass number of an atom is its total number of protons and neutrons

5 0
3 years ago
Why does amino acids decrease in ileum​
ASHA 777 [7]

Answer:

The two major pancreatic enzymes that digest proteins in the small intestine are chymotrypsin and trypsin. Trypsin activates other protein-digesting enzymes called proteases, and together, these enzymes break proteins down to tripeptides, dipeptides, and individual amino acids.

5 0
3 years ago
Protists are very diverse, and many different classification schemes have been used to define relationships between the protists
andrey2020 [161]

Answer:

D. heterotrophic by ingestion, pseudopods

Explanation:

Protists are generally classified  as all eukaryotic organisms that are not plants, animals or fungi. Example is amoeba, paramecium etc.They may be unicellular or multi cellular in nature.Most exist in colonies.

Their mode of nutrition can be photosynthetic or hetrotrophic. Hetrotrophic  protists   can be divided into  phagotrophs and osmotrops/saprotrophs. The phagotrophs  makes use of the cell body to engulf the food materials as  in amoeba ,carry out extracellular digestion before swallowing it.

Osmotrops absorbed dissolved food from surrounding liquid environments directly. (Some photosynthetic protists can also be heterotrophic.

Amoeboid movement is the mode of locomotion of protists and some  other eukaryotes. It involved the protrusion of cytoplasm, which exert pressure on the cell membrane to form pseudopodia and  the posterioly  evolved  <u>Uropods. </u>

<u />

<u>  </u>

<u>Sol-gel theory has been proposed to expalin this movements, The ectopalsm of amoeba is gelly-like , while the endiplams is less viscpus   and said to be sol. The interchange of the cytoplasmic fluis between the endo-and ecto plasm gives the SOL-GEL propulsion of the protopalms for the amoebic moveemnts .</u>

<u />

<u>The false feet(psuedopodium) drags the amoeba  along in the direction of the flow of the cytoplasm.</u>

Therefore option D is  the right option

4 0
3 years ago
Some individuals suffer from a rare genetic condition called hemophilia. This condition makes it extremely difficult for the bod
max2010maxim [7]

Solution:

People that born with hemophilia lack or have a low amount of a clotting factor.

Coagulation factors are proteins necessary for normal blood clotting.

Coagulation factors are found in blood plasma. These factors act with Thrombocytes to clot blood.

However, hemophilia is not a decrease in Thrombocytes but a decrease in coagulation factors due to genetic causes.

Diagnosis includes screening tests and clotting factor analysis. Screening tests are blood tests that show whether the blood is clotting properly. Clotting factor tests can reveal a deficiency of clotting factors in the blood plasma and determine the level of severity of hemophilia.

As the coagulation factors are in Blood plasma, we can conclude that the correct answer is:

BLOOD PLASMA

4 0
1 year ago
In certain rats, black fur is dominant over white fur, If two rats that are both heterozygous for fur colored are mated, what wo
zavuch27 [327]

Answer:

Three different genotypes and two different  colors

Explanation:

Because both rats have heterozygous genes, meaning they have 2 different alleles, ex: "Yy") The offspring can have different genotypes and colors because the parents have heterozygous genes.

hope this helps!

6 0
3 years ago
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