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Mazyrski [523]
3 years ago
5

Question 2 (Multiple Choice Worth 4 points)

Biology
1 answer:
lisabon 2012 [21]3 years ago
7 0

Answer:

B

Mutation is the ultimate source of genetic variation, but mechanisms such as sexual reproduction and genetic drift contribute to it as well Because prokaryotes are haploid, such a mutation immediately become part of the genetic makeup of the cell unlike eukaryotic diploids where a normal second copy of the gene usually protects the cell from the potentially lethal effect of such a mutation.

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A lab assistant needs an organic compound. Would water work?
Crazy boy [7]
Hey there,

In an organic compound Carbon is the universal element. Meaning its in every organic compound.

Water (h20) doesn't contain any carbon,

Meaning its a inorganic compound.

Water would not work.

I hope this helps!
Brainliest is always appreciated if you feel its deserved! :)
4 0
3 years ago
Which of the following animals indicated in the Antarctica Food Web folder utilizes the Crabeater Seal as a source of food? a. H
solong [7]

Answer:

Krill

Explanation:

Based on the information provided within the question it can be said that the the Crabeater Seal's main source of food are Krill. These are a type of shrimp that can be found in cold water such as Antarctica. Despite the misleading name Crabeater Seal' do not eat crabs seeing as since the are no crabs in Antartica.

4 0
3 years ago
Dendritic cells and macrophages kill by ingestion and destruction of particulate matter in a process called phagocytosis. Dendri
Korvikt [17]

Answer:

The statement is true

Explanation:

Hematopoietic stem cells give rise to myeloid progenitor and lymphoid progenitor and these two progenitors give rise to many immune cells. Dendritic cells are produced by both the progenitors and macrophages are produced by myeloid progenitor.

Both macrophages and dendritic cells are phagocytes. In phagocytosis, the foreing particles are injected by these phagocytes and they are destryoyed by the action of digestive enzymes present in these phagocytic cells.  

Macrophages are present in tissue and if they are present in blood they are called monocytes. Therefore the statement is true.

6 0
3 years ago
What is it called when the forest remains but its richness and well-being have deteriorated?
ira [324]

Answer: Biodiversity loss

Explanation:

The biodiversity can be defined as the variety of life forms on earth or any other region. The forests are rich sources of biodiversity. The hunting, poaching, animal trafficking, and other ill-legal related human activities are like to reduce the species richness in forests. As many species are dependent upon other species for food, mate and other requirements for completing the life cycle thus the well-being of the forests will get deteriorated by the loss of biodiversity.

8 0
4 years ago
Jim makes an electromagnet by wrapping a copper wire around a nail and then connecting it to a battery. If he brings the end of
Rufina [12.5K]
The following of what? It sounds like there is more than one answer. 
5 0
3 years ago
Read 2 more answers
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