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sukhopar [10]
3 years ago
5

The process by which a sperm cell combines with an egg cell is germination. replication. recombination. fertilization. mitosis.

Biology
1 answer:
Hatshy [7]3 years ago
5 0
Your answer is definitely fertilization! ☆
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Producing oxygen, taking in carbon dioxide, and providing food, habitats, and lumber are just a few of the things that ______ do
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Lenny came face-to-face with a young bear while hiking in the sierra nevada mountains. his sensory input traveled to his cerebra
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The sensory input initiated from the spinal cord before reaching to the brain . The information firstly goes to first order neuron where it receives impulses from skin and then transferred to the spinal cord.

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This nerve impulse are transmitted into into brain. The correct order is Receptors - Sensory neuron- Spinal cord - Motor neuron- Muscle.

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To learn more about impulse here

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1 year ago
What makes a forest sustainable?
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Supply exceeds demand seems like to be the correct answer since it could be longer lasting.
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3 years ago
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Identify the true statements about RNA interference. Duplex RNA (dsRNA) can suppress the expression of a gene. miRNAs are short,
AlekseyPX

Answer:

- Duplex RNA (dsRNA) can suppress the expression of a gene.

- miRNAs are short, single strands approximately 21 nucleotides long.  

- miRNAs suppress gene expression by interfering with transcription.  

- RNA interference can temporarily suppress the expression of a target gene.

Explanation:

The RNA interference (RNAi) mechanism is a naturally occurring biological process by which an organism suppresses gene expression by using sequence-specific small non-coding RNAs that are complementary to RNA (posttranscriptional silencing) or DNA (transcriptional silencing) sequences. Since its discovery, this mechanism has been exploited in molecular biology to control the expression of target genes. There are different classes of non-coding RNAs which are able to trigger RNAi gene silencing: microRNAs (miRNAs), small interfering RNAs (siRNAs), piwi-interacting RNAs (piRNAs, only present in animals), etc. During their functioning, these non-coding RNAs are loaded into the RNA-induced silencing complex (RISC) to direct them to target sequences and trigger RNAi (for example, by cleaving target mRNAs). miRNAs are short, evolutionary conserved RNAs, that associate to the RISC complex in order to trigger both transcriptional and posttranscriptional gene silencing. During their biogenesis, small non-coding RNAs are double-stranded RNA (dsRNA), but they lose a strand (the passenger strand) when associate with the RISC complex, conserving only one strand (the guide strand) that bind by complementary base pairing to target sequences (either DNA in the nucleus or RNA in the cytoplasm).

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3 years ago
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Answer:

Explanation:

Hardy Weinberg equation is presented below and describes that in a population the frequency of alleles ad genotypes will remain static or the same in the absence of evolutionary disturbances such as mutation, migration ( gene flow), natural selection and with the population large and random mating

p² +2pq + q²

where p represents the frequency of the dominant alleles

q represent the frequency of the recessive alleles

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q² also represent the frequency of the recessive phenotype

(p² + 2pq) represent the frequency of the dominant phenotype

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