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taurus [48]
3 years ago
13

Urgent!! Genetically, a seed represents both male and female parent. True False

Biology
2 answers:
omeli [17]3 years ago
6 0

Answer:

True

Explanation:

IrinaK [193]3 years ago
5 0

Answer:

false

Explanation:

rep female

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Dmitry [639]

Answer:

D

Explanation:

The Moon stays in orbit around the Earth because the Earth's gravity keeps the Moon orbiting us. The gravity makes the Moon accelerate all the time, even it's speed remains constant.

7 0
3 years ago
What is free nitrogen?
UNO [17]

Answer:

Nitrogen thet cannot be used by organisms. C.

Explanation:

Free nitrogen is simply molecular nitrogen (N2). Nitrogen, in its molecular form, consists of two nitrogen atoms bound together with a tripple bond. Because it is very stable, N2 is typically nonreactive, and takes a lot of energy to break them apart. Among these are the amino acids necessary for life to begin and which are the building blocks DNA is made from. Basically, any nitrogen that is in an organic compound is considered “fixed” nitrogen and N2 is considered to be “free” nitrogen

5 0
3 years ago
Read 2 more answers
A protein is 300 amino acids long. Which of the following could be the number of nucleotides in a bacterial gene that codes for
butalik [34]

Answer:

2) 100

Explanation:

  • Every 3 nucleotides in an mRNA specifies the addition of one amino acid in a protein.
  • Each three-letter "word" which is the combination of nucleotides is called a codon.
  • Therefore, amino acids are coded by a series of three-letter "words" - a 300 nucleotide mRNA will code for a 100 amino acid protein.
7 0
3 years ago
Which statement best describes enzymes?
Nuetrik [128]

Answer:

The rate of activity of an enzyme might change as pH changes

Explanation:

Enzymes are organic catalysts that controls the rate of a specific chemical reaction.

These materials combines substrates in order to lower the activation energy which might serves as a barrier to chemical action.

  • Enzymes have specific reactions which they control.
  • Temperature and PH conditions control the rate at which enzymes work.
  • They are not all produced from the building block of carbohydrates.
4 0
3 years ago
Why does natural selection act on the phenotypes rather than the genotype of an organism?
o-na [289]
This is why natural selection acts on phenotypes instead of genotypes. A phenotype is an organism's physical traits, while a genotype is an organism's genetic makeup. This may sound counter-intuitive since the genetic makeup does get<span> passed on from generation to generation through reproduction.</span>
5 0
2 years ago
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