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kogti [31]
3 years ago
15

If you have one side of a DNA “ladder” with the base-pairs ACTGACTGACTG, what would the base-pairs on the other side of the “lad

der” be?
Biology
1 answer:
Marina CMI [18]3 years ago
7 0
I remember learning about this.. I think it’d be “TGACTGACTGAC”
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What obstacles did Gerald ford go through
Mila [183]
<span>Challenges:
1. Vietnam
2. The worst economy since the Great Depression
3. Communist Europe (the Helsinki Accords)
4. Richard Nixon

One month after taking over the presidency, Ford pardoned Nixon. This caused a lot of controversy but Ford claimed he did it to save the nation from the prospect of a long, messy, and divisive trial.
In 1974, President Ford also offered clemency to those who evaded the draft during the Vietnam War if they would swear allegiance and perform two years of public service. Similarly, those who deserted during the war could return for two years in the branch they left to achieve clemency. However, Ford was criticized both by those who felt he was being to easy on the draft dodgers and those who had avoided the service because they felt they were in the right.

In 1974, Ford asked for aid to be sent to South Vietnam as fighting had resumed. Congress would not agree. In April 1975, Saigon fell and by 1976, North and South Vietnam were united into one country.

Ford escaped two assassination attempts, both by women. First on September 5, 1975, Lynette Fromme, a follower of Charles Manson, pointed a gun at him but did not fire. She was convicted of attempting to assassinate the president and sentenced to life in prison. The second attempt on Ford's life occurred on September 22, 1975 when Sara Jane Moore fired one shot that was deflected by a bystander. Moore was trying to prove herself to some radical friends with the assassination of the president. She was convicted of attempted assassination and sentenced to life in prison.</span>
8 0
3 years ago
When did Cyanobacteria start producing pure oxygen
Travka [436]

<u>Answer:</u>

Cyanobacteria start producing pure oxygen around 200 million years ago.

<u>Explanation:</u>

Many scientists believed that Earth did not have any oxygen. Cyanobacteria or the blue green algae are the microbes which produced oxygen for the first time with the help of photosynthesis.  This was around 4.5 billion years ago: after Hadean eon.

They were very simple, but they produced oxygen in the early earth’s atmosphere. So, they brought evolution on earth. This “blue-green algae” exists in salt water, rocks and soils and play a major role in maintaining the ecosystem.

3 0
3 years ago
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Is anaphase II similar to anaphase in mitosis?<br><br> A. Yes<br><br> B. No
scoundrel [369]

Answer:

A

Explanation:

7 0
3 years ago
Hi, can someone help me with this question? Thank you!
Elenna [48]

Answer:

Can someone help me please Explanation:

Is this test the I going to have trace the path a red blood cell would follow starting in the right ventricle and back to the right ventricle included will be every structure ( heart chamber, valve, vessels ) that the red blood cell would pass trough???

6 0
3 years ago
What is the function of the sporangium? question 11 options: a) passes characteristics from one generation to the next b) forms
Ivenika [448]

Answer:

D) Protects the developing mother spore cells

Explanation:

A structure called a sporangium is found in some plants and other creatures and is responsible for producing and storing spores. Spores, which are haploid structures made by organisms, aid in the germination and formation of new organisms.

A structure called a sporangium is found in some plants and other creatures and is responsible for producing and storing spores. Spores, haploid structures produced by organisms, aid in germination and the development of new species. They assist in the process of reproduction, in other words. What does it actually imply that they are haploid, though? Simply said, it indicates that there are just half the chromosomes needed to create a complete diploid creature. The sporangia can divide through mitosis, or cell division, to manufacture and release spores.

A single, potentially complex morphologically produced sporangium is produced by an unbranched sporophyte in mosses, liverworts, and hornworts. The majority of ferns, many lycophytes, and non-vascular plants are homosporous (only one kind of spore is produced). Some ferns, the majority of lycophytes, and some bryophytes are heterosporous (two kinds of spores are produced). These plants generate gametophytes that are functionally male or female, respectively, by the development of microspores and megaspores. Occasionally, two types of spores are generated in the same sporangium and may even form a spore tetrad together.

Microsporangia and megasporangia, two different types of sporangia, are present in the majority of heterosporous plants. All seed plants, as well as a few ferns (Salviniaceae and Marsileaceae), some lycophytes (genera Selaginella and Isoetes, as well as the extinct lepidodendrids), are heterosporous with two types of sporangia.

Sporangia can grow near the terminals of stems, along their sides, or in close proximity to leaves. In ferns, sporangia are often located on the abaxial surface of the leaf, or the underside, where they are tightly grouped into clusters called sori. An indusium, a type of structure, could be present across Sori. The sporangia of certain ferns are dispersed along with the shortened leaf segments or along (or just in from) the leaf edge.

The sporangium has an indirect involvement in sexual reproduction and an active part in asexual reproduction in several phyla of fungus. The sporangium, which has haploid nuclei and cytoplasm, develops on the sporangiophore. Each haploid nucleus and cytoplasm are encased in a hard outer membrane as the spores develop in the sporangiophore. These spores spread by wind during asexual reproduction and develop into haploid hyphae.

Although sexual reproduction in fungus differs between phyla, the sporangium indirectly contributes to sexual reproduction in some fungi. When two haploid hyphae from different individuals combine to produce a zygosporangium in response to adverse circumstances, sexual reproduction takes place in Zygomycota. The zygosporangium's haploid nuclei subsequently combine to form diploid nuclei.

When the environment is more favorable, the zygosporangium germinates, goes through meiosis, and develops into a sporangium that releases spores.

3 0
2 years ago
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