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3 years ago

What are the two types of eukaryotic cells

Biology

1 answer:

Elena L [17]3 years ago

5 0

Answer:

There are two types of cell, prokaryotic (bacteria) and eukaryotic (animal, plant, fungi and protoctista (unicellular organisms)). Prokaryotes have no nucleolus – the DNA is in the cytoplasm, and it can from small circular strands of DNA called plasmids. Eukaryotic cells all have their DNA enclosed in a nucleus.

Explanation:

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What occurs when a muscle becomes weaker and smaller from not being used?

ddd [48]

The best and most correct answer among the choices provided by your question is the third choice.

Atrophy occurs when a muscle becomes weaker and smaller from not being used

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!

7 0

4 years ago

Read 2 more answers

A researcher investigates a blood disease carried by birds. She isolates an organism from the blood of an infected bird. She fin

AlekseyPX

Answer:

Bacteria

Explanation:

Bacterial are prokarotes, that inhabit virtually all habitats..Although some may be pathogenic, ,most bacteria are beneficial. They live in mutual relationship with their living hosts.where they help most in catabolic reactions especially in digestion of food and in nutrient cycle.

They lack membrane bound organelles,they have cell wall made up of peptidoglycan, their nucleus is not bounded with double membrane like Eukaryotes.They vary in shapes, most are spherical in shape, with the shape determined by the cell wall and the cytoskeleton in the cystosol.

5 0

4 years ago

Determine the phenotypic ratios of the offspring. 9 yellow-inflated : 3 yellow-constricted : 3 green-inflated: 1 green-constrict

skad [1K]

From a cross between dihybrid individuals, whose diallelic genes code for one trait each, expressing complete dominance, the phenotypic ratio is B) 9 green-inflated : 3 green-constricted : 3 yellow-inflated :1 yellow-constricted.

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Since I do not have the cross, I will assume the cross involves two dihybrid individuals by looking at the options.

So, let us picture the situation,

Two diallelic genes code for one trait each, color and inflated/constricted pods.
G allele is the dominant and codes for green pods
g allele is recessive and codes for yellow pods
I is the dominant allele and codes for inflated pods
i is recessive and codes for constricted pods
These genes are not linked

1st Cross) Two h0m0zyg0us individuals

Parental) GGII x ggii

F1) 100% GgIi

2nd Cross) Selfcross between F1 individuals

Parentals) GgIi x GgIi

Gametes) GI, Gi, gI, gi

GI, Gi, gI, gi

Punnett square) GI Gi gI gi

GI GGII GGIi GgII GgIi

Gi GGIi GGii GgIi Ggii

gI GgII GgIi ggII ggIi

gi GgIi Ggii ggIi ggii

F2) Genotype

1/16 GGII
2/16 GGIi
1/16 GGii
2/16 GgII
4/16 GgIi
2/16 Ggii
1/16 ggII
2/16 ggIi
1/16 ggii

Phenotype

9/16 G-I- ⇒ Green and Inflated
3/16 G-ii ⇒ Green and constricted
3/16 ggI- ⇒ Yellow and inflated
1/16 ggii ⇒ Yellow and constricted

Phenotypic ratio 9:3:3:1

Options

A) 9 yellow-inflated : 3 yellow-constricted : 3 green-inflated: 1 green-constricted ⇒ NOT CORRECT

B) 9 green-inflated : 3 green-constricted : 3 yellow-inflated : 1 yellow-constricted ⇒ CORRECT

C) 9 green-constricted : 3 green-inflated : 3 yellow-constricted : 1 yellow-inflated ⇒ NOT CORRECT

D) 9 yellow-constricted : 3 yellow-inflated : 3 green-constricted : 1 green-inflated ⇒ NOT CORRECT

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5 0

3 years ago

A young investigator would like to express and purify a newly discovered gene. She decides to clone the gene into a plasmid that

Butoxors [25]

Answer and Explanation:

The steps for construction of the expression plasma

STEP 1 : Introducing Notl and Hindlll confinement sites at the ends of the gene of interest by means of PCR
STEP 2 :Digest the plasmid and DNA encoding gene with the Notl and Hindol confinement endonucleuses.
STEP 3 : Ligate the cut plasmid and DNA fragment
STEP 4 : Change the plasmid into E.coli for expression
STEP 5 : Clean the protein by utilizing a column of immobilized $Ni^{+2}$

6 0

3 years ago

What is the relationship between succession and climax vegetation?

igomit [66]

A climax community of vegetation is a biological community of plants, fungi and animals that is stable.It develops from a pioneering community into climax community. Succession in Ecology is the observation of the growth and change in a vegetation community. So the relationship between Succession and Climax in vegetation is that succession is the process of observing the change in a vegetation community from a few pioneering plants to a fully developed, stable community known as a climax community.

8 0

4 years ago

What are the two types of eukaryotic cells​

What are the two types of eukaryotic cells