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Sholpan [36]
1 year ago
13

3.How many plants were likely to have been in the pond on day 15?

Biology
1 answer:
slamgirl [31]1 year ago
5 0
Um probably 4 because I got a little hungry
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Which of the following is not true concerning the Nereus?
natita [175]
There are no choices, I'll assume that the Nereus in the question refers to the underwater vehicle.

Facts about the Nereus
1) It is an HROV or <span>hybrid unmanned autonomous underwater vehicle. Operated underwater but its operator is in a remote location.
2) Built and operated by WHOI or </span>Woods Hole Oceanographic Institution<span> 
3) Designed to explore the deepest surveyed point of the ocean worldwide named Challenger Deep.
4) Deepest dive was at 35,768 feet of the Mariana Trench last May 2009. 
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4 0
1 year ago
If a person is heterozygous for the Δ32 allele of the CCR5 gene, how many of the four daughter cells produced by meiosis will ha
never [62]

Answer:

The correct option is B: 2

Explanation:

Before meiosis takes place, the entire genetic material within the cell is replicated, this results in 2 copies of the 2n DNA. Since the person is heterozygous for the mutated allele, there is one copy of it present within one 2n set of chromosomes. Two of the 2n chromosomal sets means there would be two copies of it present in total and when the segregation event happens to create haploid cells, two of the cells will inherit the mutated copy.

Hope that answers the question, have a great day!

6 0
1 year ago
The chloroplasts of flowering land plants typically contain at least two photosynthetic pigments, chlorophyll a and chlorophyll
ruslelena [56]

Answer:

a) Photosystem I requires the use of light converting an excited NADP + electron, reducing it to NADPH. In photosystems I and II, the passage of electrons to a series of redox reactions will be shown due to the absorption of light energy by the chlorophyll molecules.

(b) The control must be RuBisco, because for most photosynthesis responses to light, temperature and carbon dioxide, it produces oxygenation and carboxylation reactions, thus reflecting kinetic properties.

(c) plants can increase the ability in a variable ecosystem thanks to the flexibility of photosynthetic pigments, through these the necessary solar energy for photosynthesis is captured, according to each light spectrum there will be a specific pigment.

5 0
2 years ago
4. Jimmy likes to work with his friend Joe in 7th grade science class labs. However, he notices that he tends to get lower grade
Bogdan [553]

Answer:

If Jimmy works better with someone other than Joe, then Joe is a part of the problem of Jimmy getting lower grades.

b responding variable

Explanation:

If, then statements are used for scientific hypothesis's.

3 0
1 year ago
Name the major types of fibers in molecules in the extracellular matrix of the skeletal system
Svet_ta [14]

Answer:

Collagen, elastin, fibronectin, and laminin are the four principle classes of fibrous proteins found in the extracellular matrix. Fibrous proteins add tensile strength to tissues but provide much of their stretchiness, as well

Explanation:

Hope this help

plz mark brainliest

Have a nice day!!

6 0
1 year ago
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