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Iteru [2.4K]
2 years ago
13

A team of students encounters an unknown organism in a field while conducting a biodiversity study. Some students think the orga

nism is a plant, while others think it is a fungus. Which question should the students investigate to classify the organism correctly?
A. Is there a cell wall around the cells of the organism?
B. Does the organism perform photosynthesis?
C. Is there nervous tissue present in the organism?
D. Does the organism reproduce sexually?
Biology
1 answer:
Kobotan [32]2 years ago
3 0

Answer:

B. Does the organism perform photosynthesis?

Explanation:

Plants are autotrophic, that is they are capable of making their own food. They carry out photosynthesis, converting light energy to chemical energy which they use.

Fungi on the other hand are heterotrophic, they do not make their own food. They do not carry out photosynthesis.

Hence, ability to perform photosynthesis is an attribute that'll differentiate between fungi and plants.

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Analyze and conclude 7. which, if any, of the blood samples tested cna the patient with type b+ blood receive? explain why. 8. e
Digiron [165]
<span>7. which, if any, of the blood samples tested cna the patient with type b+ blood receive? explain why.
It can't be answered because you didn't put the sample test result


8. explain how you were able to use your knowledge of how different types of blood react with anti-a, anti-b, and anti Rh antibodies to determine the blood types of the four samples.
If the blood react with anti-a, then the blood must not have A antigen
</span>If the blood react with anti-b, then the blood must not have B antigen
If the blood react with anti Rh, then the blood must not have Rh antigen
Based on the antigen, you can conclude the result as:
react with anti A= blood type B
react with anti B= blood type A
react with anti A and anti B= blood type O
react with anti Rh= Rh-
not react with anti Rh= Rh+
<span>
9. if a person has type a blood, he or she would have antibodies for what blood type?
Type A blood has antigen A. So that person should not have anti-A antigens. 
The person should have anti-B antibodies because it was a foreign object to him. Depends on the Rhesus type, he can have Rh antibodies too.

10. why is type o negative blood known as the universal donor? why is o positive not a universal donor?

Type O blood doesn't have antigen-A or antigen-B. That means the blood cells won't trigger any reaction on Type A, B, AB, or O blood. Negative rhesus also means that the blood is safe for Rhesus negative or Rhesus positive type. 

Positive O blood type has rhesus antigen, so it will trigger a reaction in Rhesus negative type. </span>
8 0
2 years ago
Read 2 more answers
Place these steps of the insulin signaling pathway in the correct order from insultin is secreted to glucose enters the cell. Pl
horsena [70]

Answer:

1. Binding of insulin to the alpha subunit of the insulin receptor

2. Activation of insulin receptor tyrosine kinase

3. Phosphorylation of IRS proteins

4. Activation of PIP3-dependent protein kinase B (PDK1)

5. Phosphorylation of phosphinositide 3-kinase (PI-3K)

6. Conversion of PIP2 to PIP3

7. Activation of Akt

8. Glut4 receptors transported to cell membrane

8 0
2 years ago
Explain how cyanide caused Jared’s symptoms (e.g., muscle weakness).
xenn [34]

Answer:

Cyanide may cause muscle weakness because tissues are not able to use oxygen for cellular respiration

Explanation:

Cyanide is a highly toxic compound that inhibits cellular respiration by inactivating cytochrome oxidase in mitochondria, which is a key enzyme responsible for oxidative metabolism and energy production. Thus, cyanide consumption decreases the utilization of oxygen by muscle cells, thereby causing weakness. The symptoms of cyanide poisoning include, among others, weakness, malaise, visual disturbances, muscle pains, etc.

6 0
2 years ago
Plants, such as sunflowers, contain specialized receptor cells that respond to light and grow in the direction of a light source
loris [4]
Photoreceptor proteins are light-sensitive proteins involved in the sensing and response to light in a variety of organisms. Some examples are rhodopsin in the photoreceptor cells of the vertebrate retina,phytochrome in plants, and bacteriorhodopsin<span> and bacteriophytochromes in some bacteria.


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
</span>
5 0
2 years ago
What structure is most important in forming the tetrads?
Vladimir79 [104]

Answer:

The correct answer will be option- synaptonemal complex.

Explanation:

The tetrad arrangement of the genetic material in an organism is mediated by a highly conserved structure known as the synaptonemal complex.  The synaptonemal complex is formed during the prophase I of the meiosis I which attaches the chromatin of the homologous chromosomes.

The synaptonemal complex is a proteinaceous structure which is formed by the two lateral ladders like elements with a central portion composed of the central element. The chromatin gets attached to the lateral elements while the central a portion bridge space between the two ladders thus help in the formation of the tetrad.

Thus, option- synaptonemal complex is the correct answer.

4 0
2 years ago
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